From 4de5e966312f32adfcbfa844e67772602bb18ed6 Mon Sep 17 00:00:00 2001 From: miod <> Date: Mon, 14 Apr 2014 18:40:47 +0000 Subject: Remove eng_cryptodev.c (merged into old-name hw_cryptodev.c); move undo the move of crypto/engines/eng_padlock to engines/e_padlock. Requested by reyk@. Note that eng_padlock is not compiled in currently. --- src/lib/libcrypto/engine/Makefile | 10 +- src/lib/libcrypto/engine/eng_cryptodev.c | 1449 ---------------------- src/lib/libcrypto/engine/eng_padlock.c | 38 +- src/lib/libcrypto/engine/eng_padlock.ec | 1 + src/lib/libssl/src/crypto/engine/Makefile | 10 +- src/lib/libssl/src/crypto/engine/eng_cryptodev.c | 1449 ---------------------- src/lib/libssl/src/crypto/engine/eng_padlock.c | 38 +- src/lib/libssl/src/crypto/engine/eng_padlock.ec | 1 + src/lib/libssl/src/engines/Makefile | 6 +- src/lib/libssl/src/engines/e_padlock.c | 1239 ------------------ src/lib/libssl/src/engines/e_padlock.ec | 1 - 11 files changed, 79 insertions(+), 4163 deletions(-) delete mode 100644 src/lib/libcrypto/engine/eng_cryptodev.c create mode 100644 src/lib/libcrypto/engine/eng_padlock.ec delete mode 100644 src/lib/libssl/src/crypto/engine/eng_cryptodev.c create mode 100644 src/lib/libssl/src/crypto/engine/eng_padlock.ec delete mode 100644 src/lib/libssl/src/engines/e_padlock.c delete mode 100644 src/lib/libssl/src/engines/e_padlock.ec (limited to 'src/lib') diff --git a/src/lib/libcrypto/engine/Makefile b/src/lib/libcrypto/engine/Makefile index 44900f0420..06e1bc7494 100644 --- a/src/lib/libcrypto/engine/Makefile +++ b/src/lib/libcrypto/engine/Makefile @@ -17,17 +17,18 @@ TEST= enginetest.c APPS= LIB=$(TOP)/libcrypto.a +LIBNAMES= eng_padlock LIBSRC= eng_err.c eng_lib.c eng_list.c eng_init.c eng_ctrl.c \ eng_table.c eng_pkey.c eng_fat.c eng_all.c \ tb_rsa.c tb_dsa.c tb_ecdsa.c tb_dh.c tb_ecdh.c tb_rand.c tb_store.c \ tb_cipher.c tb_digest.c tb_pkmeth.c tb_asnmth.c \ - eng_openssl.c eng_cnf.c eng_dyn.c eng_cryptodev.c \ + eng_openssl.c eng_cnf.c eng_dyn.c \ eng_rsax.c eng_rdrand.c LIBOBJ= eng_err.o eng_lib.o eng_list.o eng_init.o eng_ctrl.o \ eng_table.o eng_pkey.o eng_fat.o eng_all.o \ tb_rsa.o tb_dsa.o tb_ecdsa.o tb_dh.o tb_ecdh.o tb_rand.o tb_store.o \ tb_cipher.o tb_digest.o tb_pkmeth.o tb_asnmth.o \ - eng_openssl.o eng_cnf.o eng_dyn.o eng_cryptodev.o \ + eng_openssl.o eng_cnf.o eng_dyn.o \ eng_rsax.o eng_rdrand.o SRC= $(LIBSRC) @@ -66,6 +67,11 @@ install: tags: ctags $(SRC) +errors: + set -e; for l in $(LIBNAMES); do \ + $(PERL) ../../util/mkerr.pl -conf eng_$$l.ec \ + -nostatic -staticloader -write eng_$$l.c; \ + done tests: lint: diff --git a/src/lib/libcrypto/engine/eng_cryptodev.c b/src/lib/libcrypto/engine/eng_cryptodev.c deleted file mode 100644 index a7abac1a7b..0000000000 --- a/src/lib/libcrypto/engine/eng_cryptodev.c +++ /dev/null @@ -1,1449 +0,0 @@ -/* - * Copyright (c) 2002 Bob Beck - * Copyright (c) 2002 Theo de Raadt - * Copyright (c) 2002 Markus Friedl - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include -#include -#include -#include - -#if (defined(__unix__) || defined(unix)) && !defined(USG) && \ - (defined(__OpenBSD__) || defined(__FreeBSD__)) -#include -# if (OpenBSD >= 200112) || ((__FreeBSD_version >= 470101 && __FreeBSD_version < 500000) || __FreeBSD_version >= 500041) -# define HAVE_CRYPTODEV -# endif -# if (OpenBSD >= 200110) -# define HAVE_SYSLOG_R -# endif -#endif - -#ifndef HAVE_CRYPTODEV - -void -ENGINE_load_cryptodev(void) -{ - /* This is a NOP on platforms without /dev/crypto */ - return; -} - -#else - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -struct dev_crypto_state { - struct session_op d_sess; - int d_fd; - -#ifdef USE_CRYPTODEV_DIGESTS - char dummy_mac_key[HASH_MAX_LEN]; - - unsigned char digest_res[HASH_MAX_LEN]; - char *mac_data; - int mac_len; -#endif -}; - -static u_int32_t cryptodev_asymfeat = 0; - -static int get_asym_dev_crypto(void); -static int open_dev_crypto(void); -static int get_dev_crypto(void); -static int get_cryptodev_ciphers(const int **cnids); -#ifdef USE_CRYPTODEV_DIGESTS -static int get_cryptodev_digests(const int **cnids); -#endif -static int cryptodev_usable_ciphers(const int **nids); -static int cryptodev_usable_digests(const int **nids); -static int cryptodev_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl); -static int cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc); -static int cryptodev_cleanup(EVP_CIPHER_CTX *ctx); -static int cryptodev_engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher, - const int **nids, int nid); -static int cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, - const int **nids, int nid); -static int bn2crparam(const BIGNUM *a, struct crparam *crp); -static int crparam2bn(struct crparam *crp, BIGNUM *a); -static void zapparams(struct crypt_kop *kop); -static int cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, - int slen, BIGNUM *s); - -static int cryptodev_bn_mod_exp(BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); -static int cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, - RSA *rsa, BN_CTX *ctx); -static int cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx); -static int cryptodev_dsa_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); -static int cryptodev_dsa_dsa_mod_exp(DSA *dsa, BIGNUM *t1, BIGNUM *g, - BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p, - BN_CTX *ctx, BN_MONT_CTX *mont); -static DSA_SIG *cryptodev_dsa_do_sign(const unsigned char *dgst, - int dlen, DSA *dsa); -static int cryptodev_dsa_verify(const unsigned char *dgst, int dgst_len, - DSA_SIG *sig, DSA *dsa); -static int cryptodev_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx); -static int cryptodev_dh_compute_key(unsigned char *key, - const BIGNUM *pub_key, DH *dh); -static int cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, - void (*f)(void)); -void ENGINE_load_cryptodev(void); - -static const ENGINE_CMD_DEFN cryptodev_defns[] = { - { 0, NULL, NULL, 0 } -}; - -static struct { - int id; - int nid; - int ivmax; - int keylen; -} ciphers[] = { - { CRYPTO_ARC4, NID_rc4, 0, 16, }, - { CRYPTO_DES_CBC, NID_des_cbc, 8, 8, }, - { CRYPTO_3DES_CBC, NID_des_ede3_cbc, 8, 24, }, - { CRYPTO_AES_CBC, NID_aes_128_cbc, 16, 16, }, - { CRYPTO_AES_CBC, NID_aes_192_cbc, 16, 24, }, - { CRYPTO_AES_CBC, NID_aes_256_cbc, 16, 32, }, - { CRYPTO_BLF_CBC, NID_bf_cbc, 8, 16, }, - { CRYPTO_CAST_CBC, NID_cast5_cbc, 8, 16, }, - { 0, NID_undef, 0, 0, }, -}; - -#ifdef USE_CRYPTODEV_DIGESTS -static struct { - int id; - int nid; - int keylen; -} digests[] = { - { CRYPTO_MD5_HMAC, NID_hmacWithMD5, 16}, - { CRYPTO_SHA1_HMAC, NID_hmacWithSHA1, 20}, - { CRYPTO_RIPEMD160_HMAC, NID_ripemd160, 16/*?*/}, - { CRYPTO_MD5_KPDK, NID_undef, 0}, - { CRYPTO_SHA1_KPDK, NID_undef, 0}, - { CRYPTO_MD5, NID_md5, 16}, - { CRYPTO_SHA1, NID_sha1, 20}, - { 0, NID_undef, 0}, -}; -#endif - -/* - * Return a fd if /dev/crypto seems usable, 0 otherwise. - */ -static int -open_dev_crypto(void) -{ - static int fd = -1; - - if (fd == -1) { - if ((fd = open("/dev/crypto", O_RDWR, 0)) == -1) - return (-1); - /* close on exec */ - if (fcntl(fd, F_SETFD, 1) == -1) { - close(fd); - fd = -1; - return (-1); - } - } - return (fd); -} - -static int -get_dev_crypto(void) -{ - int fd, retfd; - - if ((fd = open_dev_crypto()) == -1) - return (-1); -#ifndef CRIOGET_NOT_NEEDED - if (ioctl(fd, CRIOGET, &retfd) == -1) - return (-1); - - /* close on exec */ - if (fcntl(retfd, F_SETFD, 1) == -1) { - close(retfd); - return (-1); - } -#else - retfd = fd; -#endif - return (retfd); -} - -static void put_dev_crypto(int fd) -{ -#ifndef CRIOGET_NOT_NEEDED - close(fd); -#endif -} - -/* Caching version for asym operations */ -static int -get_asym_dev_crypto(void) -{ - static int fd = -1; - - if (fd == -1) - fd = get_dev_crypto(); - return fd; -} - -/* - * Find out what ciphers /dev/crypto will let us have a session for. - * XXX note, that some of these openssl doesn't deal with yet! - * returning them here is harmless, as long as we return NULL - * when asked for a handler in the cryptodev_engine_ciphers routine - */ -static int -get_cryptodev_ciphers(const int **cnids) -{ - static int nids[CRYPTO_ALGORITHM_MAX]; - struct session_op sess; - int fd, i, count = 0; - - if ((fd = get_dev_crypto()) < 0) { - *cnids = NULL; - return (0); - } - memset(&sess, 0, sizeof(sess)); - sess.key = (caddr_t)"123456789abcdefghijklmno"; - - for (i = 0; ciphers[i].id && count < CRYPTO_ALGORITHM_MAX; i++) { - if (ciphers[i].nid == NID_undef) - continue; - sess.cipher = ciphers[i].id; - sess.keylen = ciphers[i].keylen; - sess.mac = 0; - if (ioctl(fd, CIOCGSESSION, &sess) != -1 && - ioctl(fd, CIOCFSESSION, &sess.ses) != -1) - nids[count++] = ciphers[i].nid; - } - put_dev_crypto(fd); - - if (count > 0) - *cnids = nids; - else - *cnids = NULL; - return (count); -} - -#ifdef USE_CRYPTODEV_DIGESTS -/* - * Find out what digests /dev/crypto will let us have a session for. - * XXX note, that some of these openssl doesn't deal with yet! - * returning them here is harmless, as long as we return NULL - * when asked for a handler in the cryptodev_engine_digests routine - */ -static int -get_cryptodev_digests(const int **cnids) -{ - static int nids[CRYPTO_ALGORITHM_MAX]; - struct session_op sess; - int fd, i, count = 0; - - if ((fd = get_dev_crypto()) < 0) { - *cnids = NULL; - return (0); - } - memset(&sess, 0, sizeof(sess)); - sess.mackey = (caddr_t)"123456789abcdefghijklmno"; - for (i = 0; digests[i].id && count < CRYPTO_ALGORITHM_MAX; i++) { - if (digests[i].nid == NID_undef) - continue; - sess.mac = digests[i].id; - sess.mackeylen = digests[i].keylen; - sess.cipher = 0; - if (ioctl(fd, CIOCGSESSION, &sess) != -1 && - ioctl(fd, CIOCFSESSION, &sess.ses) != -1) - nids[count++] = digests[i].nid; - } - put_dev_crypto(fd); - - if (count > 0) - *cnids = nids; - else - *cnids = NULL; - return (count); -} -#endif /* 0 */ - -/* - * Find the useable ciphers|digests from dev/crypto - this is the first - * thing called by the engine init crud which determines what it - * can use for ciphers from this engine. We want to return - * only what we can do, anythine else is handled by software. - * - * If we can't initialize the device to do anything useful for - * any reason, we want to return a NULL array, and 0 length, - * which forces everything to be done is software. By putting - * the initalization of the device in here, we ensure we can - * use this engine as the default, and if for whatever reason - * /dev/crypto won't do what we want it will just be done in - * software - * - * This can (should) be greatly expanded to perhaps take into - * account speed of the device, and what we want to do. - * (although the disabling of particular alg's could be controlled - * by the device driver with sysctl's.) - this is where we - * want most of the decisions made about what we actually want - * to use from /dev/crypto. - */ -static int -cryptodev_usable_ciphers(const int **nids) -{ - return (get_cryptodev_ciphers(nids)); -} - -static int -cryptodev_usable_digests(const int **nids) -{ -#ifdef USE_CRYPTODEV_DIGESTS - return (get_cryptodev_digests(nids)); -#else - /* - * XXXX just disable all digests for now, because it sucks. - * we need a better way to decide this - i.e. I may not - * want digests on slow cards like hifn on fast machines, - * but might want them on slow or loaded machines, etc. - * will also want them when using crypto cards that don't - * suck moose gonads - would be nice to be able to decide something - * as reasonable default without having hackery that's card dependent. - * of course, the default should probably be just do everything, - * with perhaps a sysctl to turn algoritms off (or have them off - * by default) on cards that generally suck like the hifn. - */ - *nids = NULL; - return (0); -#endif -} - -static int -cryptodev_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) -{ - struct crypt_op cryp; - struct dev_crypto_state *state = ctx->cipher_data; - struct session_op *sess = &state->d_sess; - const void *iiv; - unsigned char save_iv[EVP_MAX_IV_LENGTH]; - - if (state->d_fd < 0) - return (0); - if (!inl) - return (1); - if ((inl % ctx->cipher->block_size) != 0) - return (0); - - memset(&cryp, 0, sizeof(cryp)); - - cryp.ses = sess->ses; - cryp.flags = 0; - cryp.len = inl; - cryp.src = (caddr_t) in; - cryp.dst = (caddr_t) out; - cryp.mac = 0; - - cryp.op = ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT; - - if (ctx->cipher->iv_len) { - cryp.iv = (caddr_t) ctx->iv; - if (!ctx->encrypt) { - iiv = in + inl - ctx->cipher->iv_len; - memcpy(save_iv, iiv, ctx->cipher->iv_len); - } - } else - cryp.iv = NULL; - - if (ioctl(state->d_fd, CIOCCRYPT, &cryp) == -1) { - /* XXX need better errror handling - * this can fail for a number of different reasons. - */ - return (0); - } - - if (ctx->cipher->iv_len) { - if (ctx->encrypt) - iiv = out + inl - ctx->cipher->iv_len; - else - iiv = save_iv; - memcpy(ctx->iv, iiv, ctx->cipher->iv_len); - } - return (1); -} - -static int -cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) -{ - struct dev_crypto_state *state = ctx->cipher_data; - struct session_op *sess = &state->d_sess; - int cipher = -1, i; - - for (i = 0; ciphers[i].id; i++) - if (ctx->cipher->nid == ciphers[i].nid && - ctx->cipher->iv_len <= ciphers[i].ivmax && - ctx->key_len == ciphers[i].keylen) { - cipher = ciphers[i].id; - break; - } - - if (!ciphers[i].id) { - state->d_fd = -1; - return (0); - } - - memset(sess, 0, sizeof(struct session_op)); - - if ((state->d_fd = get_dev_crypto()) < 0) - return (0); - - sess->key = (caddr_t)key; - sess->keylen = ctx->key_len; - sess->cipher = cipher; - - if (ioctl(state->d_fd, CIOCGSESSION, sess) == -1) { - put_dev_crypto(state->d_fd); - state->d_fd = -1; - return (0); - } - return (1); -} - -/* - * free anything we allocated earlier when initting a - * session, and close the session. - */ -static int -cryptodev_cleanup(EVP_CIPHER_CTX *ctx) -{ - int ret = 0; - struct dev_crypto_state *state = ctx->cipher_data; - struct session_op *sess = &state->d_sess; - - if (state->d_fd < 0) - return (0); - - /* XXX if this ioctl fails, someting's wrong. the invoker - * may have called us with a bogus ctx, or we could - * have a device that for whatever reason just doesn't - * want to play ball - it's not clear what's right - * here - should this be an error? should it just - * increase a counter, hmm. For right now, we return - * 0 - I don't believe that to be "right". we could - * call the gorpy openssl lib error handlers that - * print messages to users of the library. hmm.. - */ - - if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) == -1) { - ret = 0; - } else { - ret = 1; - } - put_dev_crypto(state->d_fd); - state->d_fd = -1; - - return (ret); -} - -/* - * libcrypto EVP stuff - this is how we get wired to EVP so the engine - * gets called when libcrypto requests a cipher NID. - */ - -/* RC4 */ -const EVP_CIPHER cryptodev_rc4 = { - NID_rc4, - 1, 16, 0, - EVP_CIPH_VARIABLE_LENGTH, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - NULL, - NULL, - NULL -}; - -/* DES CBC EVP */ -const EVP_CIPHER cryptodev_des_cbc = { - NID_des_cbc, - 8, 8, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -/* 3DES CBC EVP */ -const EVP_CIPHER cryptodev_3des_cbc = { - NID_des_ede3_cbc, - 8, 24, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_bf_cbc = { - NID_bf_cbc, - 8, 16, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_cast_cbc = { - NID_cast5_cbc, - 8, 16, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_aes_cbc = { - NID_aes_128_cbc, - 16, 16, 16, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_aes_192_cbc = { - NID_aes_192_cbc, - 16, 24, 16, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_aes_256_cbc = { - NID_aes_256_cbc, - 16, 32, 16, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -/* - * Registered by the ENGINE when used to find out how to deal with - * a particular NID in the ENGINE. this says what we'll do at the - * top level - note, that list is restricted by what we answer with - */ -static int -cryptodev_engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher, - const int **nids, int nid) -{ - if (!cipher) - return (cryptodev_usable_ciphers(nids)); - - switch (nid) { - case NID_rc4: - *cipher = &cryptodev_rc4; - break; - case NID_des_ede3_cbc: - *cipher = &cryptodev_3des_cbc; - break; - case NID_des_cbc: - *cipher = &cryptodev_des_cbc; - break; - case NID_bf_cbc: - *cipher = &cryptodev_bf_cbc; - break; - case NID_cast5_cbc: - *cipher = &cryptodev_cast_cbc; - break; - case NID_aes_128_cbc: - *cipher = &cryptodev_aes_cbc; - break; - case NID_aes_192_cbc: - *cipher = &cryptodev_aes_192_cbc; - break; - case NID_aes_256_cbc: - *cipher = &cryptodev_aes_256_cbc; - break; - default: - *cipher = NULL; - break; - } - return (*cipher != NULL); -} - - -#ifdef USE_CRYPTODEV_DIGESTS - -/* convert digest type to cryptodev */ -static int -digest_nid_to_cryptodev(int nid) -{ - int i; - - for (i = 0; digests[i].id; i++) - if (digests[i].nid == nid) - return (digests[i].id); - return (0); -} - - -static int -digest_key_length(int nid) -{ - int i; - - for (i = 0; digests[i].id; i++) - if (digests[i].nid == nid) - return digests[i].keylen; - return (0); -} - - -static int cryptodev_digest_init(EVP_MD_CTX *ctx) -{ - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - int digest; - - if ((digest = digest_nid_to_cryptodev(ctx->digest->type)) == NID_undef){ - printf("cryptodev_digest_init: Can't get digest \n"); - return (0); - } - - memset(state, 0, sizeof(struct dev_crypto_state)); - - if ((state->d_fd = get_dev_crypto()) < 0) { - printf("cryptodev_digest_init: Can't get Dev \n"); - return (0); - } - - sess->mackey = state->dummy_mac_key; - sess->mackeylen = digest_key_length(ctx->digest->type); - sess->mac = digest; - - if (ioctl(state->d_fd, CIOCGSESSION, sess) < 0) { - put_dev_crypto(state->d_fd); - state->d_fd = -1; - printf("cryptodev_digest_init: Open session failed\n"); - return (0); - } - - return (1); -} - -static int cryptodev_digest_update(EVP_MD_CTX *ctx, const void *data, - size_t count) -{ - struct crypt_op cryp; - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - - if (!data || state->d_fd < 0) { - printf("cryptodev_digest_update: illegal inputs \n"); - return (0); - } - - if (!count) { - return (0); - } - - if (!(ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)) { - /* if application doesn't support one buffer */ - state->mac_data = OPENSSL_realloc(state->mac_data, state->mac_len + count); - - if (!state->mac_data) { - printf("cryptodev_digest_update: realloc failed\n"); - return (0); - } - - memcpy(state->mac_data + state->mac_len, data, count); - state->mac_len += count; - - return (1); - } - - memset(&cryp, 0, sizeof(cryp)); - - cryp.ses = sess->ses; - cryp.flags = 0; - cryp.len = count; - cryp.src = (caddr_t) data; - cryp.dst = NULL; - cryp.mac = (caddr_t) state->digest_res; - if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) { - printf("cryptodev_digest_update: digest failed\n"); - return (0); - } - return (1); -} - - -static int cryptodev_digest_final(EVP_MD_CTX *ctx, unsigned char *md) -{ - struct crypt_op cryp; - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - - int ret = 1; - - if (!md || state->d_fd < 0) { - printf("cryptodev_digest_final: illegal input\n"); - return(0); - } - - if (! (ctx->flags & EVP_MD_CTX_FLAG_ONESHOT) ) { - /* if application doesn't support one buffer */ - memset(&cryp, 0, sizeof(cryp)); - cryp.ses = sess->ses; - cryp.flags = 0; - cryp.len = state->mac_len; - cryp.src = state->mac_data; - cryp.dst = NULL; - cryp.mac = (caddr_t)md; - if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) { - printf("cryptodev_digest_final: digest failed\n"); - return (0); - } - - return 1; - } - - memcpy(md, state->digest_res, ctx->digest->md_size); - - return (ret); -} - - -static int cryptodev_digest_cleanup(EVP_MD_CTX *ctx) -{ - int ret = 1; - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - - if (state == NULL) - return 0; - - if (state->d_fd < 0) { - printf("cryptodev_digest_cleanup: illegal input\n"); - return (0); - } - - if (state->mac_data) { - OPENSSL_free(state->mac_data); - state->mac_data = NULL; - state->mac_len = 0; - } - - if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) < 0) { - printf("cryptodev_digest_cleanup: failed to close session\n"); - ret = 0; - } else { - ret = 1; - } - put_dev_crypto(state->d_fd); - state->d_fd = -1; - - return (ret); -} - -static int cryptodev_digest_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from) -{ - struct dev_crypto_state *fstate = from->md_data; - struct dev_crypto_state *dstate = to->md_data; - struct session_op *sess; - int digest; - - if (dstate == NULL || fstate == NULL) - return 1; - - memcpy(dstate, fstate, sizeof(struct dev_crypto_state)); - - sess = &dstate->d_sess; - - digest = digest_nid_to_cryptodev(to->digest->type); - - sess->mackey = dstate->dummy_mac_key; - sess->mackeylen = digest_key_length(to->digest->type); - sess->mac = digest; - - dstate->d_fd = get_dev_crypto(); - - if (ioctl(dstate->d_fd, CIOCGSESSION, sess) < 0) { - put_dev_crypto(dstate->d_fd); - dstate->d_fd = -1; - printf("cryptodev_digest_init: Open session failed\n"); - return (0); - } - - if (fstate->mac_len != 0) { - if (fstate->mac_data != NULL) - { - dstate->mac_data = OPENSSL_malloc(fstate->mac_len); - memcpy(dstate->mac_data, fstate->mac_data, fstate->mac_len); - dstate->mac_len = fstate->mac_len; - } - } - - return 1; -} - - -const EVP_MD cryptodev_sha1 = { - NID_sha1, - NID_undef, - SHA_DIGEST_LENGTH, - EVP_MD_FLAG_ONESHOT, - cryptodev_digest_init, - cryptodev_digest_update, - cryptodev_digest_final, - cryptodev_digest_copy, - cryptodev_digest_cleanup, - EVP_PKEY_NULL_method, - SHA_CBLOCK, - sizeof(struct dev_crypto_state), -}; - -const EVP_MD cryptodev_md5 = { - NID_md5, - NID_undef, - 16 /* MD5_DIGEST_LENGTH */, - EVP_MD_FLAG_ONESHOT, - cryptodev_digest_init, - cryptodev_digest_update, - cryptodev_digest_final, - cryptodev_digest_copy, - cryptodev_digest_cleanup, - EVP_PKEY_NULL_method, - 64 /* MD5_CBLOCK */, - sizeof(struct dev_crypto_state), -}; - -#endif /* USE_CRYPTODEV_DIGESTS */ - - -static int -cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, - const int **nids, int nid) -{ - if (!digest) - return (cryptodev_usable_digests(nids)); - - switch (nid) { -#ifdef USE_CRYPTODEV_DIGESTS - case NID_md5: - *digest = &cryptodev_md5; - break; - case NID_sha1: - *digest = &cryptodev_sha1; - break; - default: -#endif /* USE_CRYPTODEV_DIGESTS */ - *digest = NULL; - break; - } - return (*digest != NULL); -} - -/* - * Convert a BIGNUM to the representation that /dev/crypto needs. - * Upon completion of use, the caller is responsible for freeing - * crp->crp_p. - */ -static int -bn2crparam(const BIGNUM *a, struct crparam *crp) -{ - int i, j, k; - ssize_t bytes, bits; - u_char *b; - - crp->crp_p = NULL; - crp->crp_nbits = 0; - - bits = BN_num_bits(a); - bytes = (bits + 7) / 8; - - b = malloc(bytes); - if (b == NULL) - return (1); - memset(b, 0, bytes); - - crp->crp_p = (caddr_t) b; - crp->crp_nbits = bits; - - for (i = 0, j = 0; i < a->top; i++) { - for (k = 0; k < BN_BITS2 / 8; k++) { - if ((j + k) >= bytes) - return (0); - b[j + k] = a->d[i] >> (k * 8); - } - j += BN_BITS2 / 8; - } - return (0); -} - -/* Convert a /dev/crypto parameter to a BIGNUM */ -static int -crparam2bn(struct crparam *crp, BIGNUM *a) -{ - u_int8_t *pd; - int i, bytes; - - bytes = (crp->crp_nbits + 7) / 8; - - if (bytes == 0) - return (-1); - - if ((pd = (u_int8_t *) malloc(bytes)) == NULL) - return (-1); - - for (i = 0; i < bytes; i++) - pd[i] = crp->crp_p[bytes - i - 1]; - - BN_bin2bn(pd, bytes, a); - free(pd); - - return (0); -} - -static void -zapparams(struct crypt_kop *kop) -{ - int i; - - for (i = 0; i < kop->crk_iparams + kop->crk_oparams; i++) { - if (kop->crk_param[i].crp_p) - free(kop->crk_param[i].crp_p); - kop->crk_param[i].crp_p = NULL; - kop->crk_param[i].crp_nbits = 0; - } -} - -static int -cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen, BIGNUM *s) -{ - int fd, ret = -1; - - if ((fd = get_asym_dev_crypto()) < 0) - return (ret); - - if (r) { - kop->crk_param[kop->crk_iparams].crp_p = calloc(rlen, sizeof(char)); - kop->crk_param[kop->crk_iparams].crp_nbits = rlen * 8; - kop->crk_oparams++; - } - if (s) { - kop->crk_param[kop->crk_iparams+1].crp_p = calloc(slen, sizeof(char)); - kop->crk_param[kop->crk_iparams+1].crp_nbits = slen * 8; - kop->crk_oparams++; - } - - if (ioctl(fd, CIOCKEY, kop) == 0) { - if (r) - crparam2bn(&kop->crk_param[kop->crk_iparams], r); - if (s) - crparam2bn(&kop->crk_param[kop->crk_iparams+1], s); - ret = 0; - } - - return (ret); -} - -static int -cryptodev_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont) -{ - struct crypt_kop kop; - int ret = 1; - - /* Currently, we know we can do mod exp iff we can do any - * asymmetric operations at all. - */ - if (cryptodev_asymfeat == 0) { - ret = BN_mod_exp(r, a, p, m, ctx); - return (ret); - } - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_MOD_EXP; - - /* inputs: a^p % m */ - if (bn2crparam(a, &kop.crk_param[0])) - goto err; - if (bn2crparam(p, &kop.crk_param[1])) - goto err; - if (bn2crparam(m, &kop.crk_param[2])) - goto err; - kop.crk_iparams = 3; - - if (cryptodev_asym(&kop, BN_num_bytes(m), r, 0, NULL)) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF asym process failed, Running in software\n"); - ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont); - - } else if (ECANCELED == kop.crk_status) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF hardware operation cancelled. Running in Software\n"); - ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont); - } - /* else cryptodev operation worked ok ==> ret = 1*/ - -err: - zapparams(&kop); - return (ret); -} - -static int -cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) -{ - int r; - ctx = BN_CTX_new(); - r = cryptodev_bn_mod_exp(r0, I, rsa->d, rsa->n, ctx, NULL); - BN_CTX_free(ctx); - return (r); -} - -static int -cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) -{ - struct crypt_kop kop; - int ret = 1; - - if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) { - /* XXX 0 means failure?? */ - return (0); - } - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_MOD_EXP_CRT; - /* inputs: rsa->p rsa->q I rsa->dmp1 rsa->dmq1 rsa->iqmp */ - if (bn2crparam(rsa->p, &kop.crk_param[0])) - goto err; - if (bn2crparam(rsa->q, &kop.crk_param[1])) - goto err; - if (bn2crparam(I, &kop.crk_param[2])) - goto err; - if (bn2crparam(rsa->dmp1, &kop.crk_param[3])) - goto err; - if (bn2crparam(rsa->dmq1, &kop.crk_param[4])) - goto err; - if (bn2crparam(rsa->iqmp, &kop.crk_param[5])) - goto err; - kop.crk_iparams = 6; - - if (cryptodev_asym(&kop, BN_num_bytes(rsa->n), r0, 0, NULL)) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF asym process failed, running in Software\n"); - ret = (*meth->rsa_mod_exp)(r0, I, rsa, ctx); - - } else if (ECANCELED == kop.crk_status) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF hardware operation cancelled. Running in Software\n"); - ret = (*meth->rsa_mod_exp)(r0, I, rsa, ctx); - } - /* else cryptodev operation worked ok ==> ret = 1*/ - -err: - zapparams(&kop); - return (ret); -} - -static RSA_METHOD cryptodev_rsa = { - "cryptodev RSA method", - NULL, /* rsa_pub_enc */ - NULL, /* rsa_pub_dec */ - NULL, /* rsa_priv_enc */ - NULL, /* rsa_priv_dec */ - NULL, - NULL, - NULL, /* init */ - NULL, /* finish */ - 0, /* flags */ - NULL, /* app_data */ - NULL, /* rsa_sign */ - NULL /* rsa_verify */ -}; - -static int -cryptodev_dsa_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx) -{ - return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx)); -} - -static int -cryptodev_dsa_dsa_mod_exp(DSA *dsa, BIGNUM *t1, BIGNUM *g, - BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p, - BN_CTX *ctx, BN_MONT_CTX *mont) -{ - BIGNUM t2; - int ret = 0; - - BN_init(&t2); - - /* v = ( g^u1 * y^u2 mod p ) mod q */ - /* let t1 = g ^ u1 mod p */ - ret = 0; - - if (!dsa->meth->bn_mod_exp(dsa,t1,dsa->g,u1,dsa->p,ctx,mont)) - goto err; - - /* let t2 = y ^ u2 mod p */ - if (!dsa->meth->bn_mod_exp(dsa,&t2,dsa->pub_key,u2,dsa->p,ctx,mont)) - goto err; - /* let u1 = t1 * t2 mod p */ - if (!BN_mod_mul(u1,t1,&t2,dsa->p,ctx)) - goto err; - - BN_copy(t1,u1); - - ret = 1; -err: - BN_free(&t2); - return(ret); -} - -static DSA_SIG * -cryptodev_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) -{ - struct crypt_kop kop; - BIGNUM *r = NULL, *s = NULL; - DSA_SIG *dsaret = NULL; - - if ((r = BN_new()) == NULL) - goto err; - if ((s = BN_new()) == NULL) { - BN_free(r); - goto err; - } - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_DSA_SIGN; - - /* inputs: dgst dsa->p dsa->q dsa->g dsa->priv_key */ - kop.crk_param[0].crp_p = (caddr_t)dgst; - kop.crk_param[0].crp_nbits = dlen * 8; - if (bn2crparam(dsa->p, &kop.crk_param[1])) - goto err; - if (bn2crparam(dsa->q, &kop.crk_param[2])) - goto err; - if (bn2crparam(dsa->g, &kop.crk_param[3])) - goto err; - if (bn2crparam(dsa->priv_key, &kop.crk_param[4])) - goto err; - kop.crk_iparams = 5; - - if (cryptodev_asym(&kop, BN_num_bytes(dsa->q), r, - BN_num_bytes(dsa->q), s) == 0) { - dsaret = DSA_SIG_new(); - dsaret->r = r; - dsaret->s = s; - } else { - const DSA_METHOD *meth = DSA_OpenSSL(); - BN_free(r); - BN_free(s); - dsaret = (meth->dsa_do_sign)(dgst, dlen, dsa); - } -err: - kop.crk_param[0].crp_p = NULL; - zapparams(&kop); - return (dsaret); -} - -static int -cryptodev_dsa_verify(const unsigned char *dgst, int dlen, - DSA_SIG *sig, DSA *dsa) -{ - struct crypt_kop kop; - int dsaret = 1; - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_DSA_VERIFY; - - /* inputs: dgst dsa->p dsa->q dsa->g dsa->pub_key sig->r sig->s */ - kop.crk_param[0].crp_p = (caddr_t)dgst; - kop.crk_param[0].crp_nbits = dlen * 8; - if (bn2crparam(dsa->p, &kop.crk_param[1])) - goto err; - if (bn2crparam(dsa->q, &kop.crk_param[2])) - goto err; - if (bn2crparam(dsa->g, &kop.crk_param[3])) - goto err; - if (bn2crparam(dsa->pub_key, &kop.crk_param[4])) - goto err; - if (bn2crparam(sig->r, &kop.crk_param[5])) - goto err; - if (bn2crparam(sig->s, &kop.crk_param[6])) - goto err; - kop.crk_iparams = 7; - - if (cryptodev_asym(&kop, 0, NULL, 0, NULL) == 0) { -/*OCF success value is 0, if not zero, change dsaret to fail*/ - if(0 != kop.crk_status) dsaret = 0; - } else { - const DSA_METHOD *meth = DSA_OpenSSL(); - - dsaret = (meth->dsa_do_verify)(dgst, dlen, sig, dsa); - } -err: - kop.crk_param[0].crp_p = NULL; - zapparams(&kop); - return (dsaret); -} - -static DSA_METHOD cryptodev_dsa = { - "cryptodev DSA method", - NULL, - NULL, /* dsa_sign_setup */ - NULL, - NULL, /* dsa_mod_exp */ - NULL, - NULL, /* init */ - NULL, /* finish */ - 0, /* flags */ - NULL /* app_data */ -}; - -static int -cryptodev_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx) -{ - return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx)); -} - -static int -cryptodev_dh_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh) -{ - struct crypt_kop kop; - int dhret = 1; - int fd, keylen; - - if ((fd = get_asym_dev_crypto()) < 0) { - const DH_METHOD *meth = DH_OpenSSL(); - - return ((meth->compute_key)(key, pub_key, dh)); - } - - keylen = BN_num_bits(dh->p); - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_DH_COMPUTE_KEY; - - /* inputs: dh->priv_key pub_key dh->p key */ - if (bn2crparam(dh->priv_key, &kop.crk_param[0])) - goto err; - if (bn2crparam(pub_key, &kop.crk_param[1])) - goto err; - if (bn2crparam(dh->p, &kop.crk_param[2])) - goto err; - kop.crk_iparams = 3; - - kop.crk_param[3].crp_p = (caddr_t) key; - kop.crk_param[3].crp_nbits = keylen * 8; - kop.crk_oparams = 1; - - if (ioctl(fd, CIOCKEY, &kop) == -1) { - const DH_METHOD *meth = DH_OpenSSL(); - - dhret = (meth->compute_key)(key, pub_key, dh); - } -err: - kop.crk_param[3].crp_p = NULL; - zapparams(&kop); - return (dhret); -} - -static DH_METHOD cryptodev_dh = { - "cryptodev DH method", - NULL, /* cryptodev_dh_generate_key */ - NULL, - NULL, - NULL, - NULL, - 0, /* flags */ - NULL /* app_data */ -}; - -/* - * ctrl right now is just a wrapper that doesn't do much - * but I expect we'll want some options soon. - */ -static int -cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)) -{ -#ifdef HAVE_SYSLOG_R - struct syslog_data sd = SYSLOG_DATA_INIT; -#endif - - switch (cmd) { - default: -#ifdef HAVE_SYSLOG_R - syslog_r(LOG_ERR, &sd, - "cryptodev_ctrl: unknown command %d", cmd); -#else - syslog(LOG_ERR, "cryptodev_ctrl: unknown command %d", cmd); -#endif - break; - } - return (1); -} - -void -ENGINE_load_cryptodev(void) -{ - ENGINE *engine = ENGINE_new(); - int fd; - - if (engine == NULL) - return; - if ((fd = get_dev_crypto()) < 0) { - ENGINE_free(engine); - return; - } - - /* - * find out what asymmetric crypto algorithms we support - */ - if (ioctl(fd, CIOCASYMFEAT, &cryptodev_asymfeat) == -1) { - put_dev_crypto(fd); - ENGINE_free(engine); - return; - } - put_dev_crypto(fd); - - if (!ENGINE_set_id(engine, "cryptodev") || - !ENGINE_set_name(engine, "BSD cryptodev engine") || - !ENGINE_set_ciphers(engine, cryptodev_engine_ciphers) || - !ENGINE_set_digests(engine, cryptodev_engine_digests) || - !ENGINE_set_ctrl_function(engine, cryptodev_ctrl) || - !ENGINE_set_cmd_defns(engine, cryptodev_defns)) { - ENGINE_free(engine); - return; - } - - if (ENGINE_set_RSA(engine, &cryptodev_rsa)) { - const RSA_METHOD *rsa_meth = RSA_PKCS1_SSLeay(); - - cryptodev_rsa.bn_mod_exp = rsa_meth->bn_mod_exp; - cryptodev_rsa.rsa_mod_exp = rsa_meth->rsa_mod_exp; - cryptodev_rsa.rsa_pub_enc = rsa_meth->rsa_pub_enc; - cryptodev_rsa.rsa_pub_dec = rsa_meth->rsa_pub_dec; - cryptodev_rsa.rsa_priv_enc = rsa_meth->rsa_priv_enc; - cryptodev_rsa.rsa_priv_dec = rsa_meth->rsa_priv_dec; - if (cryptodev_asymfeat & CRF_MOD_EXP) { - cryptodev_rsa.bn_mod_exp = cryptodev_bn_mod_exp; - if (cryptodev_asymfeat & CRF_MOD_EXP_CRT) - cryptodev_rsa.rsa_mod_exp = - cryptodev_rsa_mod_exp; - else - cryptodev_rsa.rsa_mod_exp = - cryptodev_rsa_nocrt_mod_exp; - } - } - - if (ENGINE_set_DSA(engine, &cryptodev_dsa)) { - const DSA_METHOD *meth = DSA_OpenSSL(); - - memcpy(&cryptodev_dsa, meth, sizeof(DSA_METHOD)); - if (cryptodev_asymfeat & CRF_DSA_SIGN) - cryptodev_dsa.dsa_do_sign = cryptodev_dsa_do_sign; - if (cryptodev_asymfeat & CRF_MOD_EXP) { - cryptodev_dsa.bn_mod_exp = cryptodev_dsa_bn_mod_exp; - cryptodev_dsa.dsa_mod_exp = cryptodev_dsa_dsa_mod_exp; - } - if (cryptodev_asymfeat & CRF_DSA_VERIFY) - cryptodev_dsa.dsa_do_verify = cryptodev_dsa_verify; - } - - if (ENGINE_set_DH(engine, &cryptodev_dh)){ - const DH_METHOD *dh_meth = DH_OpenSSL(); - - cryptodev_dh.generate_key = dh_meth->generate_key; - cryptodev_dh.compute_key = dh_meth->compute_key; - cryptodev_dh.bn_mod_exp = dh_meth->bn_mod_exp; - if (cryptodev_asymfeat & CRF_MOD_EXP) { - cryptodev_dh.bn_mod_exp = cryptodev_mod_exp_dh; - if (cryptodev_asymfeat & CRF_DH_COMPUTE_KEY) - cryptodev_dh.compute_key = - cryptodev_dh_compute_key; - } - } - - ENGINE_add(engine); - ENGINE_free(engine); - ERR_clear_error(); -} - -#endif /* HAVE_CRYPTODEV */ diff --git a/src/lib/libcrypto/engine/eng_padlock.c b/src/lib/libcrypto/engine/eng_padlock.c index 743558ab33..9f7a85a8da 100644 --- a/src/lib/libcrypto/engine/eng_padlock.c +++ b/src/lib/libcrypto/engine/eng_padlock.c @@ -104,10 +104,14 @@ # if (defined(__GNUC__) && (defined(__i386__) || defined(__i386))) || \ (defined(_MSC_VER) && defined(_M_IX86)) # define COMPILE_HW_PADLOCK -static ENGINE *ENGINE_padlock (void); # endif #endif +#ifdef OPENSSL_NO_DYNAMIC_ENGINE +#ifdef COMPILE_HW_PADLOCK +static ENGINE *ENGINE_padlock (void); +#endif + void ENGINE_load_padlock (void) { /* On non-x86 CPUs it just returns. */ @@ -120,17 +124,21 @@ void ENGINE_load_padlock (void) #endif } +#endif + #ifdef COMPILE_HW_PADLOCK /* We do these includes here to avoid header problems on platforms that do not have the VIA padlock anyway... */ -#ifdef _MSC_VER +#include +#ifdef _WIN32 # include -# define alloca _alloca -#elif defined(NETWARE_CLIB) && defined(__GNUC__) - void *alloca(size_t); -# define alloca(s) __builtin_alloca(s) -#else -# include +# ifndef alloca +# define alloca _alloca +# endif +#elif defined(__GNUC__) +# ifndef alloca +# define alloca(s) __builtin_alloca(s) +# endif #endif /* Function for ENGINE detection and control */ @@ -191,6 +199,8 @@ padlock_bind_helper(ENGINE *e) return 1; } +#ifdef OPENSSL_NO_DYNAMIC_ENGINE + /* Constructor */ static ENGINE * ENGINE_padlock(void) @@ -209,6 +219,8 @@ ENGINE_padlock(void) return eng; } +#endif + /* Check availability of the engine */ static int padlock_init(ENGINE *e) @@ -234,7 +246,7 @@ padlock_bind_fn(ENGINE *e, const char *id) return 1; } -IMPLEMENT_DYNAMIC_CHECK_FN () +IMPLEMENT_DYNAMIC_CHECK_FN() IMPLEMENT_DYNAMIC_BIND_FN (padlock_bind_fn) #endif /* DYNAMIC_ENGINE */ @@ -1213,6 +1225,14 @@ static RAND_METHOD padlock_rand = { padlock_rand_status, /* rand status */ }; +#else /* !COMPILE_HW_PADLOCK */ +#ifndef OPENSSL_NO_DYNAMIC_ENGINE +OPENSSL_EXPORT +int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns); +OPENSSL_EXPORT +int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; } +IMPLEMENT_DYNAMIC_CHECK_FN() +#endif #endif /* COMPILE_HW_PADLOCK */ #endif /* !OPENSSL_NO_HW_PADLOCK */ diff --git a/src/lib/libcrypto/engine/eng_padlock.ec b/src/lib/libcrypto/engine/eng_padlock.ec new file mode 100644 index 0000000000..a0e7cbd60d --- /dev/null +++ b/src/lib/libcrypto/engine/eng_padlock.ec @@ -0,0 +1 @@ +L PADLOCK eng_padlock_err.h eng_padlock_err.c diff --git a/src/lib/libssl/src/crypto/engine/Makefile b/src/lib/libssl/src/crypto/engine/Makefile index 44900f0420..06e1bc7494 100644 --- a/src/lib/libssl/src/crypto/engine/Makefile +++ b/src/lib/libssl/src/crypto/engine/Makefile @@ -17,17 +17,18 @@ TEST= enginetest.c APPS= LIB=$(TOP)/libcrypto.a +LIBNAMES= eng_padlock LIBSRC= eng_err.c eng_lib.c eng_list.c eng_init.c eng_ctrl.c \ eng_table.c eng_pkey.c eng_fat.c eng_all.c \ tb_rsa.c tb_dsa.c tb_ecdsa.c tb_dh.c tb_ecdh.c tb_rand.c tb_store.c \ tb_cipher.c tb_digest.c tb_pkmeth.c tb_asnmth.c \ - eng_openssl.c eng_cnf.c eng_dyn.c eng_cryptodev.c \ + eng_openssl.c eng_cnf.c eng_dyn.c \ eng_rsax.c eng_rdrand.c LIBOBJ= eng_err.o eng_lib.o eng_list.o eng_init.o eng_ctrl.o \ eng_table.o eng_pkey.o eng_fat.o eng_all.o \ tb_rsa.o tb_dsa.o tb_ecdsa.o tb_dh.o tb_ecdh.o tb_rand.o tb_store.o \ tb_cipher.o tb_digest.o tb_pkmeth.o tb_asnmth.o \ - eng_openssl.o eng_cnf.o eng_dyn.o eng_cryptodev.o \ + eng_openssl.o eng_cnf.o eng_dyn.o \ eng_rsax.o eng_rdrand.o SRC= $(LIBSRC) @@ -66,6 +67,11 @@ install: tags: ctags $(SRC) +errors: + set -e; for l in $(LIBNAMES); do \ + $(PERL) ../../util/mkerr.pl -conf eng_$$l.ec \ + -nostatic -staticloader -write eng_$$l.c; \ + done tests: lint: diff --git a/src/lib/libssl/src/crypto/engine/eng_cryptodev.c b/src/lib/libssl/src/crypto/engine/eng_cryptodev.c deleted file mode 100644 index a7abac1a7b..0000000000 --- a/src/lib/libssl/src/crypto/engine/eng_cryptodev.c +++ /dev/null @@ -1,1449 +0,0 @@ -/* - * Copyright (c) 2002 Bob Beck - * Copyright (c) 2002 Theo de Raadt - * Copyright (c) 2002 Markus Friedl - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#include -#include -#include -#include - -#if (defined(__unix__) || defined(unix)) && !defined(USG) && \ - (defined(__OpenBSD__) || defined(__FreeBSD__)) -#include -# if (OpenBSD >= 200112) || ((__FreeBSD_version >= 470101 && __FreeBSD_version < 500000) || __FreeBSD_version >= 500041) -# define HAVE_CRYPTODEV -# endif -# if (OpenBSD >= 200110) -# define HAVE_SYSLOG_R -# endif -#endif - -#ifndef HAVE_CRYPTODEV - -void -ENGINE_load_cryptodev(void) -{ - /* This is a NOP on platforms without /dev/crypto */ - return; -} - -#else - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -struct dev_crypto_state { - struct session_op d_sess; - int d_fd; - -#ifdef USE_CRYPTODEV_DIGESTS - char dummy_mac_key[HASH_MAX_LEN]; - - unsigned char digest_res[HASH_MAX_LEN]; - char *mac_data; - int mac_len; -#endif -}; - -static u_int32_t cryptodev_asymfeat = 0; - -static int get_asym_dev_crypto(void); -static int open_dev_crypto(void); -static int get_dev_crypto(void); -static int get_cryptodev_ciphers(const int **cnids); -#ifdef USE_CRYPTODEV_DIGESTS -static int get_cryptodev_digests(const int **cnids); -#endif -static int cryptodev_usable_ciphers(const int **nids); -static int cryptodev_usable_digests(const int **nids); -static int cryptodev_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl); -static int cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc); -static int cryptodev_cleanup(EVP_CIPHER_CTX *ctx); -static int cryptodev_engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher, - const int **nids, int nid); -static int cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, - const int **nids, int nid); -static int bn2crparam(const BIGNUM *a, struct crparam *crp); -static int crparam2bn(struct crparam *crp, BIGNUM *a); -static void zapparams(struct crypt_kop *kop); -static int cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, - int slen, BIGNUM *s); - -static int cryptodev_bn_mod_exp(BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); -static int cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, - RSA *rsa, BN_CTX *ctx); -static int cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx); -static int cryptodev_dsa_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); -static int cryptodev_dsa_dsa_mod_exp(DSA *dsa, BIGNUM *t1, BIGNUM *g, - BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p, - BN_CTX *ctx, BN_MONT_CTX *mont); -static DSA_SIG *cryptodev_dsa_do_sign(const unsigned char *dgst, - int dlen, DSA *dsa); -static int cryptodev_dsa_verify(const unsigned char *dgst, int dgst_len, - DSA_SIG *sig, DSA *dsa); -static int cryptodev_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx); -static int cryptodev_dh_compute_key(unsigned char *key, - const BIGNUM *pub_key, DH *dh); -static int cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, - void (*f)(void)); -void ENGINE_load_cryptodev(void); - -static const ENGINE_CMD_DEFN cryptodev_defns[] = { - { 0, NULL, NULL, 0 } -}; - -static struct { - int id; - int nid; - int ivmax; - int keylen; -} ciphers[] = { - { CRYPTO_ARC4, NID_rc4, 0, 16, }, - { CRYPTO_DES_CBC, NID_des_cbc, 8, 8, }, - { CRYPTO_3DES_CBC, NID_des_ede3_cbc, 8, 24, }, - { CRYPTO_AES_CBC, NID_aes_128_cbc, 16, 16, }, - { CRYPTO_AES_CBC, NID_aes_192_cbc, 16, 24, }, - { CRYPTO_AES_CBC, NID_aes_256_cbc, 16, 32, }, - { CRYPTO_BLF_CBC, NID_bf_cbc, 8, 16, }, - { CRYPTO_CAST_CBC, NID_cast5_cbc, 8, 16, }, - { 0, NID_undef, 0, 0, }, -}; - -#ifdef USE_CRYPTODEV_DIGESTS -static struct { - int id; - int nid; - int keylen; -} digests[] = { - { CRYPTO_MD5_HMAC, NID_hmacWithMD5, 16}, - { CRYPTO_SHA1_HMAC, NID_hmacWithSHA1, 20}, - { CRYPTO_RIPEMD160_HMAC, NID_ripemd160, 16/*?*/}, - { CRYPTO_MD5_KPDK, NID_undef, 0}, - { CRYPTO_SHA1_KPDK, NID_undef, 0}, - { CRYPTO_MD5, NID_md5, 16}, - { CRYPTO_SHA1, NID_sha1, 20}, - { 0, NID_undef, 0}, -}; -#endif - -/* - * Return a fd if /dev/crypto seems usable, 0 otherwise. - */ -static int -open_dev_crypto(void) -{ - static int fd = -1; - - if (fd == -1) { - if ((fd = open("/dev/crypto", O_RDWR, 0)) == -1) - return (-1); - /* close on exec */ - if (fcntl(fd, F_SETFD, 1) == -1) { - close(fd); - fd = -1; - return (-1); - } - } - return (fd); -} - -static int -get_dev_crypto(void) -{ - int fd, retfd; - - if ((fd = open_dev_crypto()) == -1) - return (-1); -#ifndef CRIOGET_NOT_NEEDED - if (ioctl(fd, CRIOGET, &retfd) == -1) - return (-1); - - /* close on exec */ - if (fcntl(retfd, F_SETFD, 1) == -1) { - close(retfd); - return (-1); - } -#else - retfd = fd; -#endif - return (retfd); -} - -static void put_dev_crypto(int fd) -{ -#ifndef CRIOGET_NOT_NEEDED - close(fd); -#endif -} - -/* Caching version for asym operations */ -static int -get_asym_dev_crypto(void) -{ - static int fd = -1; - - if (fd == -1) - fd = get_dev_crypto(); - return fd; -} - -/* - * Find out what ciphers /dev/crypto will let us have a session for. - * XXX note, that some of these openssl doesn't deal with yet! - * returning them here is harmless, as long as we return NULL - * when asked for a handler in the cryptodev_engine_ciphers routine - */ -static int -get_cryptodev_ciphers(const int **cnids) -{ - static int nids[CRYPTO_ALGORITHM_MAX]; - struct session_op sess; - int fd, i, count = 0; - - if ((fd = get_dev_crypto()) < 0) { - *cnids = NULL; - return (0); - } - memset(&sess, 0, sizeof(sess)); - sess.key = (caddr_t)"123456789abcdefghijklmno"; - - for (i = 0; ciphers[i].id && count < CRYPTO_ALGORITHM_MAX; i++) { - if (ciphers[i].nid == NID_undef) - continue; - sess.cipher = ciphers[i].id; - sess.keylen = ciphers[i].keylen; - sess.mac = 0; - if (ioctl(fd, CIOCGSESSION, &sess) != -1 && - ioctl(fd, CIOCFSESSION, &sess.ses) != -1) - nids[count++] = ciphers[i].nid; - } - put_dev_crypto(fd); - - if (count > 0) - *cnids = nids; - else - *cnids = NULL; - return (count); -} - -#ifdef USE_CRYPTODEV_DIGESTS -/* - * Find out what digests /dev/crypto will let us have a session for. - * XXX note, that some of these openssl doesn't deal with yet! - * returning them here is harmless, as long as we return NULL - * when asked for a handler in the cryptodev_engine_digests routine - */ -static int -get_cryptodev_digests(const int **cnids) -{ - static int nids[CRYPTO_ALGORITHM_MAX]; - struct session_op sess; - int fd, i, count = 0; - - if ((fd = get_dev_crypto()) < 0) { - *cnids = NULL; - return (0); - } - memset(&sess, 0, sizeof(sess)); - sess.mackey = (caddr_t)"123456789abcdefghijklmno"; - for (i = 0; digests[i].id && count < CRYPTO_ALGORITHM_MAX; i++) { - if (digests[i].nid == NID_undef) - continue; - sess.mac = digests[i].id; - sess.mackeylen = digests[i].keylen; - sess.cipher = 0; - if (ioctl(fd, CIOCGSESSION, &sess) != -1 && - ioctl(fd, CIOCFSESSION, &sess.ses) != -1) - nids[count++] = digests[i].nid; - } - put_dev_crypto(fd); - - if (count > 0) - *cnids = nids; - else - *cnids = NULL; - return (count); -} -#endif /* 0 */ - -/* - * Find the useable ciphers|digests from dev/crypto - this is the first - * thing called by the engine init crud which determines what it - * can use for ciphers from this engine. We want to return - * only what we can do, anythine else is handled by software. - * - * If we can't initialize the device to do anything useful for - * any reason, we want to return a NULL array, and 0 length, - * which forces everything to be done is software. By putting - * the initalization of the device in here, we ensure we can - * use this engine as the default, and if for whatever reason - * /dev/crypto won't do what we want it will just be done in - * software - * - * This can (should) be greatly expanded to perhaps take into - * account speed of the device, and what we want to do. - * (although the disabling of particular alg's could be controlled - * by the device driver with sysctl's.) - this is where we - * want most of the decisions made about what we actually want - * to use from /dev/crypto. - */ -static int -cryptodev_usable_ciphers(const int **nids) -{ - return (get_cryptodev_ciphers(nids)); -} - -static int -cryptodev_usable_digests(const int **nids) -{ -#ifdef USE_CRYPTODEV_DIGESTS - return (get_cryptodev_digests(nids)); -#else - /* - * XXXX just disable all digests for now, because it sucks. - * we need a better way to decide this - i.e. I may not - * want digests on slow cards like hifn on fast machines, - * but might want them on slow or loaded machines, etc. - * will also want them when using crypto cards that don't - * suck moose gonads - would be nice to be able to decide something - * as reasonable default without having hackery that's card dependent. - * of course, the default should probably be just do everything, - * with perhaps a sysctl to turn algoritms off (or have them off - * by default) on cards that generally suck like the hifn. - */ - *nids = NULL; - return (0); -#endif -} - -static int -cryptodev_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t inl) -{ - struct crypt_op cryp; - struct dev_crypto_state *state = ctx->cipher_data; - struct session_op *sess = &state->d_sess; - const void *iiv; - unsigned char save_iv[EVP_MAX_IV_LENGTH]; - - if (state->d_fd < 0) - return (0); - if (!inl) - return (1); - if ((inl % ctx->cipher->block_size) != 0) - return (0); - - memset(&cryp, 0, sizeof(cryp)); - - cryp.ses = sess->ses; - cryp.flags = 0; - cryp.len = inl; - cryp.src = (caddr_t) in; - cryp.dst = (caddr_t) out; - cryp.mac = 0; - - cryp.op = ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT; - - if (ctx->cipher->iv_len) { - cryp.iv = (caddr_t) ctx->iv; - if (!ctx->encrypt) { - iiv = in + inl - ctx->cipher->iv_len; - memcpy(save_iv, iiv, ctx->cipher->iv_len); - } - } else - cryp.iv = NULL; - - if (ioctl(state->d_fd, CIOCCRYPT, &cryp) == -1) { - /* XXX need better errror handling - * this can fail for a number of different reasons. - */ - return (0); - } - - if (ctx->cipher->iv_len) { - if (ctx->encrypt) - iiv = out + inl - ctx->cipher->iv_len; - else - iiv = save_iv; - memcpy(ctx->iv, iiv, ctx->cipher->iv_len); - } - return (1); -} - -static int -cryptodev_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) -{ - struct dev_crypto_state *state = ctx->cipher_data; - struct session_op *sess = &state->d_sess; - int cipher = -1, i; - - for (i = 0; ciphers[i].id; i++) - if (ctx->cipher->nid == ciphers[i].nid && - ctx->cipher->iv_len <= ciphers[i].ivmax && - ctx->key_len == ciphers[i].keylen) { - cipher = ciphers[i].id; - break; - } - - if (!ciphers[i].id) { - state->d_fd = -1; - return (0); - } - - memset(sess, 0, sizeof(struct session_op)); - - if ((state->d_fd = get_dev_crypto()) < 0) - return (0); - - sess->key = (caddr_t)key; - sess->keylen = ctx->key_len; - sess->cipher = cipher; - - if (ioctl(state->d_fd, CIOCGSESSION, sess) == -1) { - put_dev_crypto(state->d_fd); - state->d_fd = -1; - return (0); - } - return (1); -} - -/* - * free anything we allocated earlier when initting a - * session, and close the session. - */ -static int -cryptodev_cleanup(EVP_CIPHER_CTX *ctx) -{ - int ret = 0; - struct dev_crypto_state *state = ctx->cipher_data; - struct session_op *sess = &state->d_sess; - - if (state->d_fd < 0) - return (0); - - /* XXX if this ioctl fails, someting's wrong. the invoker - * may have called us with a bogus ctx, or we could - * have a device that for whatever reason just doesn't - * want to play ball - it's not clear what's right - * here - should this be an error? should it just - * increase a counter, hmm. For right now, we return - * 0 - I don't believe that to be "right". we could - * call the gorpy openssl lib error handlers that - * print messages to users of the library. hmm.. - */ - - if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) == -1) { - ret = 0; - } else { - ret = 1; - } - put_dev_crypto(state->d_fd); - state->d_fd = -1; - - return (ret); -} - -/* - * libcrypto EVP stuff - this is how we get wired to EVP so the engine - * gets called when libcrypto requests a cipher NID. - */ - -/* RC4 */ -const EVP_CIPHER cryptodev_rc4 = { - NID_rc4, - 1, 16, 0, - EVP_CIPH_VARIABLE_LENGTH, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - NULL, - NULL, - NULL -}; - -/* DES CBC EVP */ -const EVP_CIPHER cryptodev_des_cbc = { - NID_des_cbc, - 8, 8, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -/* 3DES CBC EVP */ -const EVP_CIPHER cryptodev_3des_cbc = { - NID_des_ede3_cbc, - 8, 24, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_bf_cbc = { - NID_bf_cbc, - 8, 16, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_cast_cbc = { - NID_cast5_cbc, - 8, 16, 8, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_aes_cbc = { - NID_aes_128_cbc, - 16, 16, 16, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_aes_192_cbc = { - NID_aes_192_cbc, - 16, 24, 16, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -const EVP_CIPHER cryptodev_aes_256_cbc = { - NID_aes_256_cbc, - 16, 32, 16, - EVP_CIPH_CBC_MODE, - cryptodev_init_key, - cryptodev_cipher, - cryptodev_cleanup, - sizeof(struct dev_crypto_state), - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL -}; - -/* - * Registered by the ENGINE when used to find out how to deal with - * a particular NID in the ENGINE. this says what we'll do at the - * top level - note, that list is restricted by what we answer with - */ -static int -cryptodev_engine_ciphers(ENGINE *e, const EVP_CIPHER **cipher, - const int **nids, int nid) -{ - if (!cipher) - return (cryptodev_usable_ciphers(nids)); - - switch (nid) { - case NID_rc4: - *cipher = &cryptodev_rc4; - break; - case NID_des_ede3_cbc: - *cipher = &cryptodev_3des_cbc; - break; - case NID_des_cbc: - *cipher = &cryptodev_des_cbc; - break; - case NID_bf_cbc: - *cipher = &cryptodev_bf_cbc; - break; - case NID_cast5_cbc: - *cipher = &cryptodev_cast_cbc; - break; - case NID_aes_128_cbc: - *cipher = &cryptodev_aes_cbc; - break; - case NID_aes_192_cbc: - *cipher = &cryptodev_aes_192_cbc; - break; - case NID_aes_256_cbc: - *cipher = &cryptodev_aes_256_cbc; - break; - default: - *cipher = NULL; - break; - } - return (*cipher != NULL); -} - - -#ifdef USE_CRYPTODEV_DIGESTS - -/* convert digest type to cryptodev */ -static int -digest_nid_to_cryptodev(int nid) -{ - int i; - - for (i = 0; digests[i].id; i++) - if (digests[i].nid == nid) - return (digests[i].id); - return (0); -} - - -static int -digest_key_length(int nid) -{ - int i; - - for (i = 0; digests[i].id; i++) - if (digests[i].nid == nid) - return digests[i].keylen; - return (0); -} - - -static int cryptodev_digest_init(EVP_MD_CTX *ctx) -{ - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - int digest; - - if ((digest = digest_nid_to_cryptodev(ctx->digest->type)) == NID_undef){ - printf("cryptodev_digest_init: Can't get digest \n"); - return (0); - } - - memset(state, 0, sizeof(struct dev_crypto_state)); - - if ((state->d_fd = get_dev_crypto()) < 0) { - printf("cryptodev_digest_init: Can't get Dev \n"); - return (0); - } - - sess->mackey = state->dummy_mac_key; - sess->mackeylen = digest_key_length(ctx->digest->type); - sess->mac = digest; - - if (ioctl(state->d_fd, CIOCGSESSION, sess) < 0) { - put_dev_crypto(state->d_fd); - state->d_fd = -1; - printf("cryptodev_digest_init: Open session failed\n"); - return (0); - } - - return (1); -} - -static int cryptodev_digest_update(EVP_MD_CTX *ctx, const void *data, - size_t count) -{ - struct crypt_op cryp; - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - - if (!data || state->d_fd < 0) { - printf("cryptodev_digest_update: illegal inputs \n"); - return (0); - } - - if (!count) { - return (0); - } - - if (!(ctx->flags & EVP_MD_CTX_FLAG_ONESHOT)) { - /* if application doesn't support one buffer */ - state->mac_data = OPENSSL_realloc(state->mac_data, state->mac_len + count); - - if (!state->mac_data) { - printf("cryptodev_digest_update: realloc failed\n"); - return (0); - } - - memcpy(state->mac_data + state->mac_len, data, count); - state->mac_len += count; - - return (1); - } - - memset(&cryp, 0, sizeof(cryp)); - - cryp.ses = sess->ses; - cryp.flags = 0; - cryp.len = count; - cryp.src = (caddr_t) data; - cryp.dst = NULL; - cryp.mac = (caddr_t) state->digest_res; - if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) { - printf("cryptodev_digest_update: digest failed\n"); - return (0); - } - return (1); -} - - -static int cryptodev_digest_final(EVP_MD_CTX *ctx, unsigned char *md) -{ - struct crypt_op cryp; - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - - int ret = 1; - - if (!md || state->d_fd < 0) { - printf("cryptodev_digest_final: illegal input\n"); - return(0); - } - - if (! (ctx->flags & EVP_MD_CTX_FLAG_ONESHOT) ) { - /* if application doesn't support one buffer */ - memset(&cryp, 0, sizeof(cryp)); - cryp.ses = sess->ses; - cryp.flags = 0; - cryp.len = state->mac_len; - cryp.src = state->mac_data; - cryp.dst = NULL; - cryp.mac = (caddr_t)md; - if (ioctl(state->d_fd, CIOCCRYPT, &cryp) < 0) { - printf("cryptodev_digest_final: digest failed\n"); - return (0); - } - - return 1; - } - - memcpy(md, state->digest_res, ctx->digest->md_size); - - return (ret); -} - - -static int cryptodev_digest_cleanup(EVP_MD_CTX *ctx) -{ - int ret = 1; - struct dev_crypto_state *state = ctx->md_data; - struct session_op *sess = &state->d_sess; - - if (state == NULL) - return 0; - - if (state->d_fd < 0) { - printf("cryptodev_digest_cleanup: illegal input\n"); - return (0); - } - - if (state->mac_data) { - OPENSSL_free(state->mac_data); - state->mac_data = NULL; - state->mac_len = 0; - } - - if (ioctl(state->d_fd, CIOCFSESSION, &sess->ses) < 0) { - printf("cryptodev_digest_cleanup: failed to close session\n"); - ret = 0; - } else { - ret = 1; - } - put_dev_crypto(state->d_fd); - state->d_fd = -1; - - return (ret); -} - -static int cryptodev_digest_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from) -{ - struct dev_crypto_state *fstate = from->md_data; - struct dev_crypto_state *dstate = to->md_data; - struct session_op *sess; - int digest; - - if (dstate == NULL || fstate == NULL) - return 1; - - memcpy(dstate, fstate, sizeof(struct dev_crypto_state)); - - sess = &dstate->d_sess; - - digest = digest_nid_to_cryptodev(to->digest->type); - - sess->mackey = dstate->dummy_mac_key; - sess->mackeylen = digest_key_length(to->digest->type); - sess->mac = digest; - - dstate->d_fd = get_dev_crypto(); - - if (ioctl(dstate->d_fd, CIOCGSESSION, sess) < 0) { - put_dev_crypto(dstate->d_fd); - dstate->d_fd = -1; - printf("cryptodev_digest_init: Open session failed\n"); - return (0); - } - - if (fstate->mac_len != 0) { - if (fstate->mac_data != NULL) - { - dstate->mac_data = OPENSSL_malloc(fstate->mac_len); - memcpy(dstate->mac_data, fstate->mac_data, fstate->mac_len); - dstate->mac_len = fstate->mac_len; - } - } - - return 1; -} - - -const EVP_MD cryptodev_sha1 = { - NID_sha1, - NID_undef, - SHA_DIGEST_LENGTH, - EVP_MD_FLAG_ONESHOT, - cryptodev_digest_init, - cryptodev_digest_update, - cryptodev_digest_final, - cryptodev_digest_copy, - cryptodev_digest_cleanup, - EVP_PKEY_NULL_method, - SHA_CBLOCK, - sizeof(struct dev_crypto_state), -}; - -const EVP_MD cryptodev_md5 = { - NID_md5, - NID_undef, - 16 /* MD5_DIGEST_LENGTH */, - EVP_MD_FLAG_ONESHOT, - cryptodev_digest_init, - cryptodev_digest_update, - cryptodev_digest_final, - cryptodev_digest_copy, - cryptodev_digest_cleanup, - EVP_PKEY_NULL_method, - 64 /* MD5_CBLOCK */, - sizeof(struct dev_crypto_state), -}; - -#endif /* USE_CRYPTODEV_DIGESTS */ - - -static int -cryptodev_engine_digests(ENGINE *e, const EVP_MD **digest, - const int **nids, int nid) -{ - if (!digest) - return (cryptodev_usable_digests(nids)); - - switch (nid) { -#ifdef USE_CRYPTODEV_DIGESTS - case NID_md5: - *digest = &cryptodev_md5; - break; - case NID_sha1: - *digest = &cryptodev_sha1; - break; - default: -#endif /* USE_CRYPTODEV_DIGESTS */ - *digest = NULL; - break; - } - return (*digest != NULL); -} - -/* - * Convert a BIGNUM to the representation that /dev/crypto needs. - * Upon completion of use, the caller is responsible for freeing - * crp->crp_p. - */ -static int -bn2crparam(const BIGNUM *a, struct crparam *crp) -{ - int i, j, k; - ssize_t bytes, bits; - u_char *b; - - crp->crp_p = NULL; - crp->crp_nbits = 0; - - bits = BN_num_bits(a); - bytes = (bits + 7) / 8; - - b = malloc(bytes); - if (b == NULL) - return (1); - memset(b, 0, bytes); - - crp->crp_p = (caddr_t) b; - crp->crp_nbits = bits; - - for (i = 0, j = 0; i < a->top; i++) { - for (k = 0; k < BN_BITS2 / 8; k++) { - if ((j + k) >= bytes) - return (0); - b[j + k] = a->d[i] >> (k * 8); - } - j += BN_BITS2 / 8; - } - return (0); -} - -/* Convert a /dev/crypto parameter to a BIGNUM */ -static int -crparam2bn(struct crparam *crp, BIGNUM *a) -{ - u_int8_t *pd; - int i, bytes; - - bytes = (crp->crp_nbits + 7) / 8; - - if (bytes == 0) - return (-1); - - if ((pd = (u_int8_t *) malloc(bytes)) == NULL) - return (-1); - - for (i = 0; i < bytes; i++) - pd[i] = crp->crp_p[bytes - i - 1]; - - BN_bin2bn(pd, bytes, a); - free(pd); - - return (0); -} - -static void -zapparams(struct crypt_kop *kop) -{ - int i; - - for (i = 0; i < kop->crk_iparams + kop->crk_oparams; i++) { - if (kop->crk_param[i].crp_p) - free(kop->crk_param[i].crp_p); - kop->crk_param[i].crp_p = NULL; - kop->crk_param[i].crp_nbits = 0; - } -} - -static int -cryptodev_asym(struct crypt_kop *kop, int rlen, BIGNUM *r, int slen, BIGNUM *s) -{ - int fd, ret = -1; - - if ((fd = get_asym_dev_crypto()) < 0) - return (ret); - - if (r) { - kop->crk_param[kop->crk_iparams].crp_p = calloc(rlen, sizeof(char)); - kop->crk_param[kop->crk_iparams].crp_nbits = rlen * 8; - kop->crk_oparams++; - } - if (s) { - kop->crk_param[kop->crk_iparams+1].crp_p = calloc(slen, sizeof(char)); - kop->crk_param[kop->crk_iparams+1].crp_nbits = slen * 8; - kop->crk_oparams++; - } - - if (ioctl(fd, CIOCKEY, kop) == 0) { - if (r) - crparam2bn(&kop->crk_param[kop->crk_iparams], r); - if (s) - crparam2bn(&kop->crk_param[kop->crk_iparams+1], s); - ret = 0; - } - - return (ret); -} - -static int -cryptodev_bn_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *in_mont) -{ - struct crypt_kop kop; - int ret = 1; - - /* Currently, we know we can do mod exp iff we can do any - * asymmetric operations at all. - */ - if (cryptodev_asymfeat == 0) { - ret = BN_mod_exp(r, a, p, m, ctx); - return (ret); - } - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_MOD_EXP; - - /* inputs: a^p % m */ - if (bn2crparam(a, &kop.crk_param[0])) - goto err; - if (bn2crparam(p, &kop.crk_param[1])) - goto err; - if (bn2crparam(m, &kop.crk_param[2])) - goto err; - kop.crk_iparams = 3; - - if (cryptodev_asym(&kop, BN_num_bytes(m), r, 0, NULL)) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF asym process failed, Running in software\n"); - ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont); - - } else if (ECANCELED == kop.crk_status) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF hardware operation cancelled. Running in Software\n"); - ret = meth->bn_mod_exp(r, a, p, m, ctx, in_mont); - } - /* else cryptodev operation worked ok ==> ret = 1*/ - -err: - zapparams(&kop); - return (ret); -} - -static int -cryptodev_rsa_nocrt_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) -{ - int r; - ctx = BN_CTX_new(); - r = cryptodev_bn_mod_exp(r0, I, rsa->d, rsa->n, ctx, NULL); - BN_CTX_free(ctx); - return (r); -} - -static int -cryptodev_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa, BN_CTX *ctx) -{ - struct crypt_kop kop; - int ret = 1; - - if (!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) { - /* XXX 0 means failure?? */ - return (0); - } - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_MOD_EXP_CRT; - /* inputs: rsa->p rsa->q I rsa->dmp1 rsa->dmq1 rsa->iqmp */ - if (bn2crparam(rsa->p, &kop.crk_param[0])) - goto err; - if (bn2crparam(rsa->q, &kop.crk_param[1])) - goto err; - if (bn2crparam(I, &kop.crk_param[2])) - goto err; - if (bn2crparam(rsa->dmp1, &kop.crk_param[3])) - goto err; - if (bn2crparam(rsa->dmq1, &kop.crk_param[4])) - goto err; - if (bn2crparam(rsa->iqmp, &kop.crk_param[5])) - goto err; - kop.crk_iparams = 6; - - if (cryptodev_asym(&kop, BN_num_bytes(rsa->n), r0, 0, NULL)) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF asym process failed, running in Software\n"); - ret = (*meth->rsa_mod_exp)(r0, I, rsa, ctx); - - } else if (ECANCELED == kop.crk_status) { - const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); - printf("OCF hardware operation cancelled. Running in Software\n"); - ret = (*meth->rsa_mod_exp)(r0, I, rsa, ctx); - } - /* else cryptodev operation worked ok ==> ret = 1*/ - -err: - zapparams(&kop); - return (ret); -} - -static RSA_METHOD cryptodev_rsa = { - "cryptodev RSA method", - NULL, /* rsa_pub_enc */ - NULL, /* rsa_pub_dec */ - NULL, /* rsa_priv_enc */ - NULL, /* rsa_priv_dec */ - NULL, - NULL, - NULL, /* init */ - NULL, /* finish */ - 0, /* flags */ - NULL, /* app_data */ - NULL, /* rsa_sign */ - NULL /* rsa_verify */ -}; - -static int -cryptodev_dsa_bn_mod_exp(DSA *dsa, BIGNUM *r, BIGNUM *a, const BIGNUM *p, - const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx) -{ - return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx)); -} - -static int -cryptodev_dsa_dsa_mod_exp(DSA *dsa, BIGNUM *t1, BIGNUM *g, - BIGNUM *u1, BIGNUM *pub_key, BIGNUM *u2, BIGNUM *p, - BN_CTX *ctx, BN_MONT_CTX *mont) -{ - BIGNUM t2; - int ret = 0; - - BN_init(&t2); - - /* v = ( g^u1 * y^u2 mod p ) mod q */ - /* let t1 = g ^ u1 mod p */ - ret = 0; - - if (!dsa->meth->bn_mod_exp(dsa,t1,dsa->g,u1,dsa->p,ctx,mont)) - goto err; - - /* let t2 = y ^ u2 mod p */ - if (!dsa->meth->bn_mod_exp(dsa,&t2,dsa->pub_key,u2,dsa->p,ctx,mont)) - goto err; - /* let u1 = t1 * t2 mod p */ - if (!BN_mod_mul(u1,t1,&t2,dsa->p,ctx)) - goto err; - - BN_copy(t1,u1); - - ret = 1; -err: - BN_free(&t2); - return(ret); -} - -static DSA_SIG * -cryptodev_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) -{ - struct crypt_kop kop; - BIGNUM *r = NULL, *s = NULL; - DSA_SIG *dsaret = NULL; - - if ((r = BN_new()) == NULL) - goto err; - if ((s = BN_new()) == NULL) { - BN_free(r); - goto err; - } - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_DSA_SIGN; - - /* inputs: dgst dsa->p dsa->q dsa->g dsa->priv_key */ - kop.crk_param[0].crp_p = (caddr_t)dgst; - kop.crk_param[0].crp_nbits = dlen * 8; - if (bn2crparam(dsa->p, &kop.crk_param[1])) - goto err; - if (bn2crparam(dsa->q, &kop.crk_param[2])) - goto err; - if (bn2crparam(dsa->g, &kop.crk_param[3])) - goto err; - if (bn2crparam(dsa->priv_key, &kop.crk_param[4])) - goto err; - kop.crk_iparams = 5; - - if (cryptodev_asym(&kop, BN_num_bytes(dsa->q), r, - BN_num_bytes(dsa->q), s) == 0) { - dsaret = DSA_SIG_new(); - dsaret->r = r; - dsaret->s = s; - } else { - const DSA_METHOD *meth = DSA_OpenSSL(); - BN_free(r); - BN_free(s); - dsaret = (meth->dsa_do_sign)(dgst, dlen, dsa); - } -err: - kop.crk_param[0].crp_p = NULL; - zapparams(&kop); - return (dsaret); -} - -static int -cryptodev_dsa_verify(const unsigned char *dgst, int dlen, - DSA_SIG *sig, DSA *dsa) -{ - struct crypt_kop kop; - int dsaret = 1; - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_DSA_VERIFY; - - /* inputs: dgst dsa->p dsa->q dsa->g dsa->pub_key sig->r sig->s */ - kop.crk_param[0].crp_p = (caddr_t)dgst; - kop.crk_param[0].crp_nbits = dlen * 8; - if (bn2crparam(dsa->p, &kop.crk_param[1])) - goto err; - if (bn2crparam(dsa->q, &kop.crk_param[2])) - goto err; - if (bn2crparam(dsa->g, &kop.crk_param[3])) - goto err; - if (bn2crparam(dsa->pub_key, &kop.crk_param[4])) - goto err; - if (bn2crparam(sig->r, &kop.crk_param[5])) - goto err; - if (bn2crparam(sig->s, &kop.crk_param[6])) - goto err; - kop.crk_iparams = 7; - - if (cryptodev_asym(&kop, 0, NULL, 0, NULL) == 0) { -/*OCF success value is 0, if not zero, change dsaret to fail*/ - if(0 != kop.crk_status) dsaret = 0; - } else { - const DSA_METHOD *meth = DSA_OpenSSL(); - - dsaret = (meth->dsa_do_verify)(dgst, dlen, sig, dsa); - } -err: - kop.crk_param[0].crp_p = NULL; - zapparams(&kop); - return (dsaret); -} - -static DSA_METHOD cryptodev_dsa = { - "cryptodev DSA method", - NULL, - NULL, /* dsa_sign_setup */ - NULL, - NULL, /* dsa_mod_exp */ - NULL, - NULL, /* init */ - NULL, /* finish */ - 0, /* flags */ - NULL /* app_data */ -}; - -static int -cryptodev_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, - const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, - BN_MONT_CTX *m_ctx) -{ - return (cryptodev_bn_mod_exp(r, a, p, m, ctx, m_ctx)); -} - -static int -cryptodev_dh_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh) -{ - struct crypt_kop kop; - int dhret = 1; - int fd, keylen; - - if ((fd = get_asym_dev_crypto()) < 0) { - const DH_METHOD *meth = DH_OpenSSL(); - - return ((meth->compute_key)(key, pub_key, dh)); - } - - keylen = BN_num_bits(dh->p); - - memset(&kop, 0, sizeof kop); - kop.crk_op = CRK_DH_COMPUTE_KEY; - - /* inputs: dh->priv_key pub_key dh->p key */ - if (bn2crparam(dh->priv_key, &kop.crk_param[0])) - goto err; - if (bn2crparam(pub_key, &kop.crk_param[1])) - goto err; - if (bn2crparam(dh->p, &kop.crk_param[2])) - goto err; - kop.crk_iparams = 3; - - kop.crk_param[3].crp_p = (caddr_t) key; - kop.crk_param[3].crp_nbits = keylen * 8; - kop.crk_oparams = 1; - - if (ioctl(fd, CIOCKEY, &kop) == -1) { - const DH_METHOD *meth = DH_OpenSSL(); - - dhret = (meth->compute_key)(key, pub_key, dh); - } -err: - kop.crk_param[3].crp_p = NULL; - zapparams(&kop); - return (dhret); -} - -static DH_METHOD cryptodev_dh = { - "cryptodev DH method", - NULL, /* cryptodev_dh_generate_key */ - NULL, - NULL, - NULL, - NULL, - 0, /* flags */ - NULL /* app_data */ -}; - -/* - * ctrl right now is just a wrapper that doesn't do much - * but I expect we'll want some options soon. - */ -static int -cryptodev_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)(void)) -{ -#ifdef HAVE_SYSLOG_R - struct syslog_data sd = SYSLOG_DATA_INIT; -#endif - - switch (cmd) { - default: -#ifdef HAVE_SYSLOG_R - syslog_r(LOG_ERR, &sd, - "cryptodev_ctrl: unknown command %d", cmd); -#else - syslog(LOG_ERR, "cryptodev_ctrl: unknown command %d", cmd); -#endif - break; - } - return (1); -} - -void -ENGINE_load_cryptodev(void) -{ - ENGINE *engine = ENGINE_new(); - int fd; - - if (engine == NULL) - return; - if ((fd = get_dev_crypto()) < 0) { - ENGINE_free(engine); - return; - } - - /* - * find out what asymmetric crypto algorithms we support - */ - if (ioctl(fd, CIOCASYMFEAT, &cryptodev_asymfeat) == -1) { - put_dev_crypto(fd); - ENGINE_free(engine); - return; - } - put_dev_crypto(fd); - - if (!ENGINE_set_id(engine, "cryptodev") || - !ENGINE_set_name(engine, "BSD cryptodev engine") || - !ENGINE_set_ciphers(engine, cryptodev_engine_ciphers) || - !ENGINE_set_digests(engine, cryptodev_engine_digests) || - !ENGINE_set_ctrl_function(engine, cryptodev_ctrl) || - !ENGINE_set_cmd_defns(engine, cryptodev_defns)) { - ENGINE_free(engine); - return; - } - - if (ENGINE_set_RSA(engine, &cryptodev_rsa)) { - const RSA_METHOD *rsa_meth = RSA_PKCS1_SSLeay(); - - cryptodev_rsa.bn_mod_exp = rsa_meth->bn_mod_exp; - cryptodev_rsa.rsa_mod_exp = rsa_meth->rsa_mod_exp; - cryptodev_rsa.rsa_pub_enc = rsa_meth->rsa_pub_enc; - cryptodev_rsa.rsa_pub_dec = rsa_meth->rsa_pub_dec; - cryptodev_rsa.rsa_priv_enc = rsa_meth->rsa_priv_enc; - cryptodev_rsa.rsa_priv_dec = rsa_meth->rsa_priv_dec; - if (cryptodev_asymfeat & CRF_MOD_EXP) { - cryptodev_rsa.bn_mod_exp = cryptodev_bn_mod_exp; - if (cryptodev_asymfeat & CRF_MOD_EXP_CRT) - cryptodev_rsa.rsa_mod_exp = - cryptodev_rsa_mod_exp; - else - cryptodev_rsa.rsa_mod_exp = - cryptodev_rsa_nocrt_mod_exp; - } - } - - if (ENGINE_set_DSA(engine, &cryptodev_dsa)) { - const DSA_METHOD *meth = DSA_OpenSSL(); - - memcpy(&cryptodev_dsa, meth, sizeof(DSA_METHOD)); - if (cryptodev_asymfeat & CRF_DSA_SIGN) - cryptodev_dsa.dsa_do_sign = cryptodev_dsa_do_sign; - if (cryptodev_asymfeat & CRF_MOD_EXP) { - cryptodev_dsa.bn_mod_exp = cryptodev_dsa_bn_mod_exp; - cryptodev_dsa.dsa_mod_exp = cryptodev_dsa_dsa_mod_exp; - } - if (cryptodev_asymfeat & CRF_DSA_VERIFY) - cryptodev_dsa.dsa_do_verify = cryptodev_dsa_verify; - } - - if (ENGINE_set_DH(engine, &cryptodev_dh)){ - const DH_METHOD *dh_meth = DH_OpenSSL(); - - cryptodev_dh.generate_key = dh_meth->generate_key; - cryptodev_dh.compute_key = dh_meth->compute_key; - cryptodev_dh.bn_mod_exp = dh_meth->bn_mod_exp; - if (cryptodev_asymfeat & CRF_MOD_EXP) { - cryptodev_dh.bn_mod_exp = cryptodev_mod_exp_dh; - if (cryptodev_asymfeat & CRF_DH_COMPUTE_KEY) - cryptodev_dh.compute_key = - cryptodev_dh_compute_key; - } - } - - ENGINE_add(engine); - ENGINE_free(engine); - ERR_clear_error(); -} - -#endif /* HAVE_CRYPTODEV */ diff --git a/src/lib/libssl/src/crypto/engine/eng_padlock.c b/src/lib/libssl/src/crypto/engine/eng_padlock.c index 743558ab33..9f7a85a8da 100644 --- a/src/lib/libssl/src/crypto/engine/eng_padlock.c +++ b/src/lib/libssl/src/crypto/engine/eng_padlock.c @@ -104,10 +104,14 @@ # if (defined(__GNUC__) && (defined(__i386__) || defined(__i386))) || \ (defined(_MSC_VER) && defined(_M_IX86)) # define COMPILE_HW_PADLOCK -static ENGINE *ENGINE_padlock (void); # endif #endif +#ifdef OPENSSL_NO_DYNAMIC_ENGINE +#ifdef COMPILE_HW_PADLOCK +static ENGINE *ENGINE_padlock (void); +#endif + void ENGINE_load_padlock (void) { /* On non-x86 CPUs it just returns. */ @@ -120,17 +124,21 @@ void ENGINE_load_padlock (void) #endif } +#endif + #ifdef COMPILE_HW_PADLOCK /* We do these includes here to avoid header problems on platforms that do not have the VIA padlock anyway... */ -#ifdef _MSC_VER +#include +#ifdef _WIN32 # include -# define alloca _alloca -#elif defined(NETWARE_CLIB) && defined(__GNUC__) - void *alloca(size_t); -# define alloca(s) __builtin_alloca(s) -#else -# include +# ifndef alloca +# define alloca _alloca +# endif +#elif defined(__GNUC__) +# ifndef alloca +# define alloca(s) __builtin_alloca(s) +# endif #endif /* Function for ENGINE detection and control */ @@ -191,6 +199,8 @@ padlock_bind_helper(ENGINE *e) return 1; } +#ifdef OPENSSL_NO_DYNAMIC_ENGINE + /* Constructor */ static ENGINE * ENGINE_padlock(void) @@ -209,6 +219,8 @@ ENGINE_padlock(void) return eng; } +#endif + /* Check availability of the engine */ static int padlock_init(ENGINE *e) @@ -234,7 +246,7 @@ padlock_bind_fn(ENGINE *e, const char *id) return 1; } -IMPLEMENT_DYNAMIC_CHECK_FN () +IMPLEMENT_DYNAMIC_CHECK_FN() IMPLEMENT_DYNAMIC_BIND_FN (padlock_bind_fn) #endif /* DYNAMIC_ENGINE */ @@ -1213,6 +1225,14 @@ static RAND_METHOD padlock_rand = { padlock_rand_status, /* rand status */ }; +#else /* !COMPILE_HW_PADLOCK */ +#ifndef OPENSSL_NO_DYNAMIC_ENGINE +OPENSSL_EXPORT +int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns); +OPENSSL_EXPORT +int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; } +IMPLEMENT_DYNAMIC_CHECK_FN() +#endif #endif /* COMPILE_HW_PADLOCK */ #endif /* !OPENSSL_NO_HW_PADLOCK */ diff --git a/src/lib/libssl/src/crypto/engine/eng_padlock.ec b/src/lib/libssl/src/crypto/engine/eng_padlock.ec new file mode 100644 index 0000000000..a0e7cbd60d --- /dev/null +++ b/src/lib/libssl/src/crypto/engine/eng_padlock.ec @@ -0,0 +1 @@ +L PADLOCK eng_padlock_err.h eng_padlock_err.c diff --git a/src/lib/libssl/src/engines/Makefile b/src/lib/libssl/src/engines/Makefile index d48b8cdf22..f2a5af220b 100644 --- a/src/lib/libssl/src/engines/Makefile +++ b/src/lib/libssl/src/engines/Makefile @@ -26,10 +26,10 @@ TEST= APPS= LIB=$(TOP)/libcrypto.a -LIBNAMES= padlock +LIBNAMES= -LIBSRC= e_padlock.c -LIBOBJ= e_padlock.o +LIBSRC= +LIBOBJ= SRC= $(LIBSRC) diff --git a/src/lib/libssl/src/engines/e_padlock.c b/src/lib/libssl/src/engines/e_padlock.c deleted file mode 100644 index 9f7a85a8da..0000000000 --- a/src/lib/libssl/src/engines/e_padlock.c +++ /dev/null @@ -1,1239 +0,0 @@ -/* - * Support for VIA PadLock Advanced Cryptography Engine (ACE) - * Written by Michal Ludvig - * http://www.logix.cz/michal - * - * Big thanks to Andy Polyakov for a help with optimization, - * assembler fixes, port to MS Windows and a lot of other - * valuable work on this engine! - */ - -/* ==================================================================== - * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * licensing@OpenSSL.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - * - * This product includes cryptographic software written by Eric Young - * (eay@cryptsoft.com). This product includes software written by Tim - * Hudson (tjh@cryptsoft.com). - * - */ - - -#include -#include - -#include -#include -#include -#include -#include -#ifndef OPENSSL_NO_AES -#include -#endif -#include -#include - -#ifndef OPENSSL_NO_HW -#ifndef OPENSSL_NO_HW_PADLOCK - -/* Attempt to have a single source for both 0.9.7 and 0.9.8 :-) */ -#if (OPENSSL_VERSION_NUMBER >= 0x00908000L) -# ifndef OPENSSL_NO_DYNAMIC_ENGINE -# define DYNAMIC_ENGINE -# endif -#elif (OPENSSL_VERSION_NUMBER >= 0x00907000L) -# ifdef ENGINE_DYNAMIC_SUPPORT -# define DYNAMIC_ENGINE -# endif -#else -# error "Only OpenSSL >= 0.9.7 is supported" -#endif - -/* VIA PadLock AES is available *ONLY* on some x86 CPUs. - Not only that it doesn't exist elsewhere, but it - even can't be compiled on other platforms! - - In addition, because of the heavy use of inline assembler, - compiler choice is limited to GCC and Microsoft C. */ -#undef COMPILE_HW_PADLOCK -#if !defined(I386_ONLY) && !defined(OPENSSL_NO_INLINE_ASM) -# if (defined(__GNUC__) && (defined(__i386__) || defined(__i386))) || \ - (defined(_MSC_VER) && defined(_M_IX86)) -# define COMPILE_HW_PADLOCK -# endif -#endif - -#ifdef OPENSSL_NO_DYNAMIC_ENGINE -#ifdef COMPILE_HW_PADLOCK -static ENGINE *ENGINE_padlock (void); -#endif - -void ENGINE_load_padlock (void) -{ -/* On non-x86 CPUs it just returns. */ -#ifdef COMPILE_HW_PADLOCK - ENGINE *toadd = ENGINE_padlock (); - if (!toadd) return; - ENGINE_add (toadd); - ENGINE_free (toadd); - ERR_clear_error (); -#endif -} - -#endif - -#ifdef COMPILE_HW_PADLOCK -/* We do these includes here to avoid header problems on platforms that - do not have the VIA padlock anyway... */ -#include -#ifdef _WIN32 -# include -# ifndef alloca -# define alloca _alloca -# endif -#elif defined(__GNUC__) -# ifndef alloca -# define alloca(s) __builtin_alloca(s) -# endif -#endif - -/* Function for ENGINE detection and control */ -static int padlock_available(void); -static int padlock_init(ENGINE *e); - -/* RNG Stuff */ -static RAND_METHOD padlock_rand; - -/* Cipher Stuff */ -#ifndef OPENSSL_NO_AES -static int padlock_ciphers(ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid); -#endif - -/* Engine names */ -static const char *padlock_id = "padlock"; -static char padlock_name[100]; - -/* Available features */ -static int padlock_use_ace = 0; /* Advanced Cryptography Engine */ -static int padlock_use_rng = 0; /* Random Number Generator */ -#ifndef OPENSSL_NO_AES -static int padlock_aes_align_required = 1; -#endif - -/* ===== Engine "management" functions ===== */ - -/* Prepare the ENGINE structure for registration */ -static int -padlock_bind_helper(ENGINE *e) -{ - /* Check available features */ - padlock_available(); - -#if 1 /* disable RNG for now, see commentary in vicinity of RNG code */ - padlock_use_rng=0; -#endif - - /* Generate a nice engine name with available features */ - BIO_snprintf(padlock_name, sizeof(padlock_name), - "VIA PadLock (%s, %s)", - padlock_use_rng ? "RNG" : "no-RNG", - padlock_use_ace ? "ACE" : "no-ACE"); - - /* Register everything or return with an error */ - if (!ENGINE_set_id(e, padlock_id) || - !ENGINE_set_name(e, padlock_name) || - - !ENGINE_set_init_function(e, padlock_init) || -#ifndef OPENSSL_NO_AES - (padlock_use_ace && !ENGINE_set_ciphers (e, padlock_ciphers)) || -#endif - (padlock_use_rng && !ENGINE_set_RAND (e, &padlock_rand))) { - return 0; - } - - /* Everything looks good */ - return 1; -} - -#ifdef OPENSSL_NO_DYNAMIC_ENGINE - -/* Constructor */ -static ENGINE * -ENGINE_padlock(void) -{ - ENGINE *eng = ENGINE_new(); - - if (!eng) { - return NULL; - } - - if (!padlock_bind_helper(eng)) { - ENGINE_free(eng); - return NULL; - } - - return eng; -} - -#endif - -/* Check availability of the engine */ -static int -padlock_init(ENGINE *e) -{ - return (padlock_use_rng || padlock_use_ace); -} - -/* This stuff is needed if this ENGINE is being compiled into a self-contained - * shared-library. - */ -#ifdef DYNAMIC_ENGINE -static int -padlock_bind_fn(ENGINE *e, const char *id) -{ - if (id && (strcmp(id, padlock_id) != 0)) { - return 0; - } - - if (!padlock_bind_helper(e)) { - return 0; - } - - return 1; -} - -IMPLEMENT_DYNAMIC_CHECK_FN() -IMPLEMENT_DYNAMIC_BIND_FN (padlock_bind_fn) -#endif /* DYNAMIC_ENGINE */ - -/* ===== Here comes the "real" engine ===== */ - -#ifndef OPENSSL_NO_AES -/* Some AES-related constants */ -#define AES_BLOCK_SIZE 16 -#define AES_KEY_SIZE_128 16 -#define AES_KEY_SIZE_192 24 -#define AES_KEY_SIZE_256 32 - -/* Here we store the status information relevant to the - current context. */ -/* BIG FAT WARNING: - * Inline assembler in PADLOCK_XCRYPT_ASM() - * depends on the order of items in this structure. - * Don't blindly modify, reorder, etc! - */ -struct padlock_cipher_data -{ - unsigned char iv[AES_BLOCK_SIZE]; /* Initialization vector */ - union { unsigned int pad[4]; - struct { - int rounds:4; - int dgst:1; /* n/a in C3 */ - int align:1; /* n/a in C3 */ - int ciphr:1; /* n/a in C3 */ - unsigned int keygen:1; - int interm:1; - unsigned int encdec:1; - int ksize:2; - } b; - } cword; /* Control word */ - AES_KEY ks; /* Encryption key */ -}; - -/* - * Essentially this variable belongs in thread local storage. - * Having this variable global on the other hand can only cause - * few bogus key reloads [if any at all on single-CPU system], - * so we accept the penatly... - */ -static volatile struct padlock_cipher_data *padlock_saved_context; -#endif - -/* - * ======================================================= - * Inline assembler section(s). - * ======================================================= - * Order of arguments is chosen to facilitate Windows port - * using __fastcall calling convention. If you wish to add - * more routines, keep in mind that first __fastcall - * argument is passed in %ecx and second - in %edx. - * ======================================================= - */ -#if defined(__GNUC__) && __GNUC__>=2 -/* - * As for excessive "push %ebx"/"pop %ebx" found all over. - * When generating position-independent code GCC won't let - * us use "b" in assembler templates nor even respect "ebx" - * in "clobber description." Therefore the trouble... - */ - -/* Helper function - check if a CPUID instruction - is available on this CPU */ -static int -padlock_insn_cpuid_available(void) -{ - int result = -1; - - /* We're checking if the bit #21 of EFLAGS - can be toggled. If yes = CPUID is available. */ - asm volatile ( - "pushf\n" - "popl %%eax\n" - "xorl $0x200000, %%eax\n" - "movl %%eax, %%ecx\n" - "andl $0x200000, %%ecx\n" - "pushl %%eax\n" - "popf\n" - "pushf\n" - "popl %%eax\n" - "andl $0x200000, %%eax\n" - "xorl %%eax, %%ecx\n" - "movl %%ecx, %0\n" - : "=r" (result) : : "eax", "ecx"); - - return (result == 0); -} - -/* Load supported features of the CPU to see if - the PadLock is available. */ -static int -padlock_available(void) -{ - char vendor_string[16]; - unsigned int eax, edx; - - /* First check if the CPUID instruction is available at all... */ - if (! padlock_insn_cpuid_available()) - return 0; - - /* Are we running on the Centaur (VIA) CPU? */ - eax = 0x00000000; - vendor_string[12] = 0; - asm volatile ( - "pushl %%ebx\n" - "cpuid\n" - "movl %%ebx,(%%edi)\n" - "movl %%edx,4(%%edi)\n" - "movl %%ecx,8(%%edi)\n" - "popl %%ebx" - : "+a"(eax) : "D"(vendor_string) : "ecx", "edx"); - if (strcmp(vendor_string, "CentaurHauls") != 0) - return 0; - - /* Check for Centaur Extended Feature Flags presence */ - eax = 0xC0000000; - asm volatile ("pushl %%ebx; cpuid; popl %%ebx" - : "+a"(eax) : : "ecx", "edx"); - if (eax < 0xC0000001) - return 0; - - /* Read the Centaur Extended Feature Flags */ - eax = 0xC0000001; - asm volatile ("pushl %%ebx; cpuid; popl %%ebx" - : "+a"(eax), "=d"(edx) : : "ecx"); - - /* Fill up some flags */ - padlock_use_ace = ((edx & (0x3<<6)) == (0x3<<6)); - padlock_use_rng = ((edx & (0x3<<2)) == (0x3<<2)); - - return padlock_use_ace + padlock_use_rng; -} - -#ifndef OPENSSL_NO_AES -/* Our own htonl()/ntohl() */ -static inline void -padlock_bswapl(AES_KEY *ks) -{ - size_t i = sizeof(ks->rd_key)/sizeof(ks->rd_key[0]); - unsigned int *key = ks->rd_key; - - while (i--) { - asm volatile ("bswapl %0" : "+r"(*key)); - key++; - } -} -#endif - -/* Force key reload from memory to the CPU microcode. - Loading EFLAGS from the stack clears EFLAGS[30] - which does the trick. */ -static inline void -padlock_reload_key(void) -{ - asm volatile ("pushfl; popfl"); -} - -#ifndef OPENSSL_NO_AES -/* - * This is heuristic key context tracing. At first one - * believes that one should use atomic swap instructions, - * but it's not actually necessary. Point is that if - * padlock_saved_context was changed by another thread - * after we've read it and before we compare it with cdata, - * our key *shall* be reloaded upon thread context switch - * and we are therefore set in either case... - */ -static inline void -padlock_verify_context(struct padlock_cipher_data *cdata) -{ - asm volatile ( - "pushfl\n" -" btl $30,(%%esp)\n" -" jnc 1f\n" -" cmpl %2,%1\n" -" je 1f\n" -" popfl\n" -" subl $4,%%esp\n" -"1: addl $4,%%esp\n" -" movl %2,%0" - :"+m"(padlock_saved_context) - : "r"(padlock_saved_context), "r"(cdata) : "cc"); -} - -/* Template for padlock_xcrypt_* modes */ -/* BIG FAT WARNING: - * The offsets used with 'leal' instructions - * describe items of the 'padlock_cipher_data' - * structure. - */ -#define PADLOCK_XCRYPT_ASM(name,rep_xcrypt) \ -static inline void *name(size_t cnt, \ - struct padlock_cipher_data *cdata, \ - void *out, const void *inp) \ -{ void *iv; \ - asm volatile ( "pushl %%ebx\n" \ - " leal 16(%0),%%edx\n" \ - " leal 32(%0),%%ebx\n" \ - rep_xcrypt "\n" \ - " popl %%ebx" \ - : "=a"(iv), "=c"(cnt), "=D"(out), "=S"(inp) \ - : "0"(cdata), "1"(cnt), "2"(out), "3"(inp) \ - : "edx", "cc", "memory"); \ - return iv; \ -} - -/* Generate all functions with appropriate opcodes */ -PADLOCK_XCRYPT_ASM(padlock_xcrypt_ecb, ".byte 0xf3,0x0f,0xa7,0xc8") /* rep xcryptecb */ -PADLOCK_XCRYPT_ASM(padlock_xcrypt_cbc, ".byte 0xf3,0x0f,0xa7,0xd0") /* rep xcryptcbc */ -PADLOCK_XCRYPT_ASM(padlock_xcrypt_cfb, ".byte 0xf3,0x0f,0xa7,0xe0") /* rep xcryptcfb */ -PADLOCK_XCRYPT_ASM(padlock_xcrypt_ofb, ".byte 0xf3,0x0f,0xa7,0xe8") /* rep xcryptofb */ -#endif - -/* The RNG call itself */ -static inline unsigned int -padlock_xstore(void *addr, unsigned int edx_in) -{ - unsigned int eax_out; - - asm volatile (".byte 0x0f,0xa7,0xc0" /* xstore */ - : "=a"(eax_out),"=m"(*(unsigned *)addr) - : "D"(addr), "d" (edx_in) - ); - - return eax_out; -} - -/* Why not inline 'rep movsd'? I failed to find information on what - * value in Direction Flag one can expect and consequently have to - * apply "better-safe-than-sorry" approach and assume "undefined." - * I could explicitly clear it and restore the original value upon - * return from padlock_aes_cipher, but it's presumably too much - * trouble for too little gain... - * - * In case you wonder 'rep xcrypt*' instructions above are *not* - * affected by the Direction Flag and pointers advance toward - * larger addresses unconditionally. - */ -static inline unsigned char * -padlock_memcpy(void *dst,const void *src,size_t n) -{ - long *d=dst; - const long *s=src; - - n /= sizeof(*d); - do { *d++ = *s++; } while (--n); - - return dst; -} - -#elif defined(_MSC_VER) -/* - * Unlike GCC these are real functions. In order to minimize impact - * on performance we adhere to __fastcall calling convention in - * order to get two first arguments passed through %ecx and %edx. - * Which kind of suits very well, as instructions in question use - * both %ecx and %edx as input:-) - */ -#define REP_XCRYPT(code) \ - _asm _emit 0xf3 \ - _asm _emit 0x0f _asm _emit 0xa7 \ - _asm _emit code - -/* BIG FAT WARNING: - * The offsets used with 'lea' instructions - * describe items of the 'padlock_cipher_data' - * structure. - */ -#define PADLOCK_XCRYPT_ASM(name,code) \ -static void * __fastcall \ - name (size_t cnt, void *cdata, \ - void *outp, const void *inp) \ -{ _asm mov eax,edx \ - _asm lea edx,[eax+16] \ - _asm lea ebx,[eax+32] \ - _asm mov edi,outp \ - _asm mov esi,inp \ - REP_XCRYPT(code) \ -} - -PADLOCK_XCRYPT_ASM(padlock_xcrypt_ecb,0xc8) -PADLOCK_XCRYPT_ASM(padlock_xcrypt_cbc,0xd0) -PADLOCK_XCRYPT_ASM(padlock_xcrypt_cfb,0xe0) -PADLOCK_XCRYPT_ASM(padlock_xcrypt_ofb,0xe8) - -static int __fastcall -padlock_xstore(void *outp,unsigned int code) -{ _asm mov edi,ecx - _asm _emit 0x0f _asm _emit 0xa7 _asm _emit 0xc0 -} - -static void __fastcall -padlock_reload_key(void) -{ _asm pushfd _asm popfd } - -static void __fastcall -padlock_verify_context(void *cdata) -{ _asm { - pushfd - bt DWORD PTR[esp],30 - jnc skip - cmp ecx,padlock_saved_context - je skip - popfd - sub esp,4 - skip: add esp,4 - mov padlock_saved_context,ecx - } -} - -static int -padlock_available(void) -{ _asm { - pushfd - pop eax - mov ecx,eax - xor eax,1<<21 - push eax - popfd - pushfd - pop eax - xor eax,ecx - bt eax,21 - jnc noluck - mov eax,0 - cpuid - xor eax,eax - cmp ebx,'tneC' - jne noluck - cmp edx,'Hrua' - jne noluck - cmp ecx,'slua' - jne noluck - mov eax,0xC0000000 - cpuid - mov edx,eax - xor eax,eax - cmp edx,0xC0000001 - jb noluck - mov eax,0xC0000001 - cpuid - xor eax,eax - bt edx,6 - jnc skip_a - bt edx,7 - jnc skip_a - mov padlock_use_ace,1 - inc eax - skip_a: bt edx,2 - jnc skip_r - bt edx,3 - jnc skip_r - mov padlock_use_rng,1 - inc eax - skip_r: - noluck: - } -} - -static void __fastcall -padlock_bswapl(void *key) -{ _asm { - pushfd - cld - mov esi,ecx - mov edi,ecx - mov ecx,60 - up: lodsd - bswap eax - stosd - loop up - popfd - } -} - -/* MS actually specifies status of Direction Flag and compiler even - * manages to compile following as 'rep movsd' all by itself... - */ -#define padlock_memcpy(o,i,n) ((unsigned char *)memcpy((o),(i),(n)&~3U)) -#endif - -/* ===== AES encryption/decryption ===== */ -#ifndef OPENSSL_NO_AES - -#if defined(NID_aes_128_cfb128) && ! defined (NID_aes_128_cfb) -#define NID_aes_128_cfb NID_aes_128_cfb128 -#endif - -#if defined(NID_aes_128_ofb128) && ! defined (NID_aes_128_ofb) -#define NID_aes_128_ofb NID_aes_128_ofb128 -#endif - -#if defined(NID_aes_192_cfb128) && ! defined (NID_aes_192_cfb) -#define NID_aes_192_cfb NID_aes_192_cfb128 -#endif - -#if defined(NID_aes_192_ofb128) && ! defined (NID_aes_192_ofb) -#define NID_aes_192_ofb NID_aes_192_ofb128 -#endif - -#if defined(NID_aes_256_cfb128) && ! defined (NID_aes_256_cfb) -#define NID_aes_256_cfb NID_aes_256_cfb128 -#endif - -#if defined(NID_aes_256_ofb128) && ! defined (NID_aes_256_ofb) -#define NID_aes_256_ofb NID_aes_256_ofb128 -#endif - -/* List of supported ciphers. */ -static int padlock_cipher_nids[] = { - NID_aes_128_ecb, - NID_aes_128_cbc, - NID_aes_128_cfb, - NID_aes_128_ofb, - - NID_aes_192_ecb, - NID_aes_192_cbc, - NID_aes_192_cfb, - NID_aes_192_ofb, - - NID_aes_256_ecb, - NID_aes_256_cbc, - NID_aes_256_cfb, - NID_aes_256_ofb, -}; -static int padlock_cipher_nids_num = (sizeof(padlock_cipher_nids)/ - sizeof(padlock_cipher_nids[0])); - -/* Function prototypes ... */ -static int padlock_aes_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc); -static int padlock_aes_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, - const unsigned char *in, size_t nbytes); - -#define NEAREST_ALIGNED(ptr) ( (unsigned char *)(ptr) + \ - ( (0x10 - ((size_t)(ptr) & 0x0F)) & 0x0F ) ) -#define ALIGNED_CIPHER_DATA(ctx) ((struct padlock_cipher_data *)\ - NEAREST_ALIGNED(ctx->cipher_data)) - -#define EVP_CIPHER_block_size_ECB AES_BLOCK_SIZE -#define EVP_CIPHER_block_size_CBC AES_BLOCK_SIZE -#define EVP_CIPHER_block_size_OFB 1 -#define EVP_CIPHER_block_size_CFB 1 - -/* Declaring so many ciphers by hand would be a pain. - Instead introduce a bit of preprocessor magic :-) */ -#define DECLARE_AES_EVP(ksize,lmode,umode) \ -static const EVP_CIPHER padlock_aes_##ksize##_##lmode = { \ - NID_aes_##ksize##_##lmode, \ - EVP_CIPHER_block_size_##umode, \ - AES_KEY_SIZE_##ksize, \ - AES_BLOCK_SIZE, \ - 0 | EVP_CIPH_##umode##_MODE, \ - padlock_aes_init_key, \ - padlock_aes_cipher, \ - NULL, \ - sizeof(struct padlock_cipher_data) + 16, \ - EVP_CIPHER_set_asn1_iv, \ - EVP_CIPHER_get_asn1_iv, \ - NULL, \ - NULL \ -} - -DECLARE_AES_EVP(128,ecb,ECB); -DECLARE_AES_EVP(128,cbc,CBC); -DECLARE_AES_EVP(128,cfb,CFB); -DECLARE_AES_EVP(128,ofb,OFB); - -DECLARE_AES_EVP(192,ecb,ECB); -DECLARE_AES_EVP(192,cbc,CBC); -DECLARE_AES_EVP(192,cfb,CFB); -DECLARE_AES_EVP(192,ofb,OFB); - -DECLARE_AES_EVP(256,ecb,ECB); -DECLARE_AES_EVP(256,cbc,CBC); -DECLARE_AES_EVP(256,cfb,CFB); -DECLARE_AES_EVP(256,ofb,OFB); - -static int -padlock_ciphers (ENGINE *e, const EVP_CIPHER **cipher, const int **nids, int nid) -{ - /* No specific cipher => return a list of supported nids ... */ - if (!cipher) { - *nids = padlock_cipher_nids; - return padlock_cipher_nids_num; - } - - /* ... or the requested "cipher" otherwise */ - switch (nid) { - case NID_aes_128_ecb: - *cipher = &padlock_aes_128_ecb; - break; - case NID_aes_128_cbc: - *cipher = &padlock_aes_128_cbc; - break; - case NID_aes_128_cfb: - *cipher = &padlock_aes_128_cfb; - break; - case NID_aes_128_ofb: - *cipher = &padlock_aes_128_ofb; - break; - - case NID_aes_192_ecb: - *cipher = &padlock_aes_192_ecb; - break; - case NID_aes_192_cbc: - *cipher = &padlock_aes_192_cbc; - break; - case NID_aes_192_cfb: - *cipher = &padlock_aes_192_cfb; - break; - case NID_aes_192_ofb: - *cipher = &padlock_aes_192_ofb; - break; - - case NID_aes_256_ecb: - *cipher = &padlock_aes_256_ecb; - break; - case NID_aes_256_cbc: - *cipher = &padlock_aes_256_cbc; - break; - case NID_aes_256_cfb: - *cipher = &padlock_aes_256_cfb; - break; - case NID_aes_256_ofb: - *cipher = &padlock_aes_256_ofb; - break; - - default: - /* Sorry, we don't support this NID */ - *cipher = NULL; - return 0; - } - - return 1; -} - -/* Prepare the encryption key for PadLock usage */ -static int -padlock_aes_init_key (EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) -{ - struct padlock_cipher_data *cdata; - int key_len = EVP_CIPHER_CTX_key_length(ctx) * 8; - - if (key==NULL) return 0; /* ERROR */ - - cdata = ALIGNED_CIPHER_DATA(ctx); - memset(cdata, 0, sizeof(struct padlock_cipher_data)); - - /* Prepare Control word. */ - if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE) - cdata->cword.b.encdec = 0; - else - cdata->cword.b.encdec = (ctx->encrypt == 0); - cdata->cword.b.rounds = 10 + (key_len - 128) / 32; - cdata->cword.b.ksize = (key_len - 128) / 64; - - switch(key_len) { - case 128: - /* PadLock can generate an extended key for - AES128 in hardware */ - memcpy(cdata->ks.rd_key, key, AES_KEY_SIZE_128); - cdata->cword.b.keygen = 0; - break; - - case 192: - case 256: - /* Generate an extended AES key in software. - Needed for AES192/AES256 */ - /* Well, the above applies to Stepping 8 CPUs - and is listed as hardware errata. They most - likely will fix it at some point and then - a check for stepping would be due here. */ - if (EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_CFB_MODE || - EVP_CIPHER_CTX_mode(ctx) == EVP_CIPH_OFB_MODE || - enc) - AES_set_encrypt_key(key, key_len, &cdata->ks); - else - AES_set_decrypt_key(key, key_len, &cdata->ks); -#ifndef AES_ASM - /* OpenSSL C functions use byte-swapped extended key. */ - padlock_bswapl(&cdata->ks); -#endif - cdata->cword.b.keygen = 1; - break; - - default: - /* ERROR */ - return 0; - } - - /* - * This is done to cover for cases when user reuses the - * context for new key. The catch is that if we don't do - * this, padlock_eas_cipher might proceed with old key... - */ - padlock_reload_key (); - - return 1; -} - -/* - * Simplified version of padlock_aes_cipher() used when - * 1) both input and output buffers are at aligned addresses. - * or when - * 2) running on a newer CPU that doesn't require aligned buffers. - */ -static int -padlock_aes_cipher_omnivorous(EVP_CIPHER_CTX *ctx, unsigned char *out_arg, - const unsigned char *in_arg, size_t nbytes) -{ - struct padlock_cipher_data *cdata; - void *iv; - - cdata = ALIGNED_CIPHER_DATA(ctx); - padlock_verify_context(cdata); - - switch (EVP_CIPHER_CTX_mode(ctx)) { - case EVP_CIPH_ECB_MODE: - padlock_xcrypt_ecb(nbytes/AES_BLOCK_SIZE, cdata, out_arg, in_arg); - break; - - case EVP_CIPH_CBC_MODE: - memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE); - iv = padlock_xcrypt_cbc(nbytes/AES_BLOCK_SIZE, cdata, out_arg, in_arg); - memcpy(ctx->iv, iv, AES_BLOCK_SIZE); - break; - - case EVP_CIPH_CFB_MODE: - memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE); - iv = padlock_xcrypt_cfb(nbytes/AES_BLOCK_SIZE, cdata, out_arg, in_arg); - memcpy(ctx->iv, iv, AES_BLOCK_SIZE); - break; - - case EVP_CIPH_OFB_MODE: - memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE); - padlock_xcrypt_ofb(nbytes/AES_BLOCK_SIZE, cdata, out_arg, in_arg); - memcpy(ctx->iv, cdata->iv, AES_BLOCK_SIZE); - break; - - default: - return 0; - } - - memset(cdata->iv, 0, AES_BLOCK_SIZE); - - return 1; -} - -#ifndef PADLOCK_CHUNK -# define PADLOCK_CHUNK 512 /* Must be a power of 2 larger than 16 */ -#endif -#if PADLOCK_CHUNK<16 || PADLOCK_CHUNK&(PADLOCK_CHUNK-1) -# error "insane PADLOCK_CHUNK..." -#endif - -/* Re-align the arguments to 16-Bytes boundaries and run the - encryption function itself. This function is not AES-specific. */ -static int -padlock_aes_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out_arg, - const unsigned char *in_arg, size_t nbytes) -{ - struct padlock_cipher_data *cdata; - const void *inp; - unsigned char *out; - void *iv; - int inp_misaligned, out_misaligned, realign_in_loop; - size_t chunk, allocated=0; - - /* ctx->num is maintained in byte-oriented modes, - such as CFB and OFB... */ - if ((chunk = ctx->num)) { /* borrow chunk variable */ - unsigned char *ivp=ctx->iv; - - switch (EVP_CIPHER_CTX_mode(ctx)) { - case EVP_CIPH_CFB_MODE: - if (chunk >= AES_BLOCK_SIZE) - return 0; /* bogus value */ - - if (ctx->encrypt) - while (chunknum = chunk%AES_BLOCK_SIZE; - break; - case EVP_CIPH_OFB_MODE: - if (chunk >= AES_BLOCK_SIZE) - return 0; /* bogus value */ - - while (chunknum = chunk%AES_BLOCK_SIZE; - break; - } - } - - if (nbytes == 0) - return 1; -#if 0 - if (nbytes % AES_BLOCK_SIZE) - return 0; /* are we expected to do tail processing? */ -#else - /* nbytes is always multiple of AES_BLOCK_SIZE in ECB and CBC - modes and arbitrary value in byte-oriented modes, such as - CFB and OFB... */ -#endif - - /* VIA promises CPUs that won't require alignment in the future. - For now padlock_aes_align_required is initialized to 1 and - the condition is never met... */ - /* C7 core is capable to manage unaligned input in non-ECB[!] - mode, but performance penalties appear to be approximately - same as for software alignment below or ~3x. They promise to - improve it in the future, but for now we can just as well - pretend that it can only handle aligned input... */ - if (!padlock_aes_align_required && (nbytes%AES_BLOCK_SIZE)==0) - return padlock_aes_cipher_omnivorous(ctx, out_arg, in_arg, nbytes); - - inp_misaligned = (((size_t)in_arg) & 0x0F); - out_misaligned = (((size_t)out_arg) & 0x0F); - - /* Note that even if output is aligned and input not, - * I still prefer to loop instead of copy the whole - * input and then encrypt in one stroke. This is done - * in order to improve L1 cache utilization... */ - realign_in_loop = out_misaligned|inp_misaligned; - - if (!realign_in_loop && (nbytes%AES_BLOCK_SIZE)==0) - return padlock_aes_cipher_omnivorous(ctx, out_arg, in_arg, nbytes); - - /* this takes one "if" out of the loops */ - chunk = nbytes; - chunk %= PADLOCK_CHUNK; - if (chunk==0) chunk = PADLOCK_CHUNK; - - if (out_misaligned) { - /* optmize for small input */ - allocated = (chunkiv, ctx->iv, AES_BLOCK_SIZE); - goto cbc_shortcut; - do { - if (iv != cdata->iv) - memcpy(cdata->iv, iv, AES_BLOCK_SIZE); - chunk = PADLOCK_CHUNK; - cbc_shortcut: /* optimize for small input */ - if (inp_misaligned) - inp = padlock_memcpy(out, in_arg, chunk); - else - inp = in_arg; - in_arg += chunk; - - iv = padlock_xcrypt_cbc(chunk/AES_BLOCK_SIZE, cdata, out, inp); - - if (out_misaligned) - out_arg = padlock_memcpy(out_arg, out, chunk) + chunk; - else - out = out_arg+=chunk; - - } while (nbytes -= chunk); - memcpy(ctx->iv, iv, AES_BLOCK_SIZE); - break; - - case EVP_CIPH_CFB_MODE: - memcpy (iv = cdata->iv, ctx->iv, AES_BLOCK_SIZE); - chunk &= ~(AES_BLOCK_SIZE-1); - if (chunk) goto cfb_shortcut; - else goto cfb_skiploop; - do { - if (iv != cdata->iv) - memcpy(cdata->iv, iv, AES_BLOCK_SIZE); - chunk = PADLOCK_CHUNK; - cfb_shortcut: /* optimize for small input */ - if (inp_misaligned) - inp = padlock_memcpy(out, in_arg, chunk); - else - inp = in_arg; - in_arg += chunk; - - iv = padlock_xcrypt_cfb(chunk/AES_BLOCK_SIZE, cdata, out, inp); - - if (out_misaligned) - out_arg = padlock_memcpy(out_arg, out, chunk) + chunk; - else - out = out_arg+=chunk; - - nbytes -= chunk; - } while (nbytes >= AES_BLOCK_SIZE); - - cfb_skiploop: - if (nbytes) { - unsigned char *ivp = cdata->iv; - - if (iv != ivp) { - memcpy(ivp, iv, AES_BLOCK_SIZE); - iv = ivp; - } - ctx->num = nbytes; - if (cdata->cword.b.encdec) { - cdata->cword.b.encdec=0; - padlock_reload_key(); - padlock_xcrypt_ecb(1,cdata,ivp,ivp); - cdata->cword.b.encdec=1; - padlock_reload_key(); - while(nbytes) { - unsigned char c = *(in_arg++); - *(out_arg++) = c ^ *ivp; - *(ivp++) = c, nbytes--; - } - } - else { padlock_reload_key(); - padlock_xcrypt_ecb(1,cdata,ivp,ivp); - padlock_reload_key(); - while (nbytes) { - *ivp = *(out_arg++) = *(in_arg++) ^ *ivp; - ivp++, nbytes--; - } - } - } - - memcpy(ctx->iv, iv, AES_BLOCK_SIZE); - break; - - case EVP_CIPH_OFB_MODE: - memcpy(cdata->iv, ctx->iv, AES_BLOCK_SIZE); - chunk &= ~(AES_BLOCK_SIZE-1); - if (chunk) do { - if (inp_misaligned) - inp = padlock_memcpy(out, in_arg, chunk); - else - inp = in_arg; - in_arg += chunk; - - padlock_xcrypt_ofb(chunk/AES_BLOCK_SIZE, cdata, out, inp); - - if (out_misaligned) - out_arg = padlock_memcpy(out_arg, out, chunk) + chunk; - else - out = out_arg+=chunk; - - nbytes -= chunk; - chunk = PADLOCK_CHUNK; - } while (nbytes >= AES_BLOCK_SIZE); - - if (nbytes) { - unsigned char *ivp = cdata->iv; - - ctx->num = nbytes; - padlock_reload_key(); /* empirically found */ - padlock_xcrypt_ecb(1,cdata,ivp,ivp); - padlock_reload_key(); /* empirically found */ - while (nbytes) { - *(out_arg++) = *(in_arg++) ^ *ivp; - ivp++, nbytes--; - } - } - - memcpy(ctx->iv, cdata->iv, AES_BLOCK_SIZE); - break; - - default: - return 0; - } - - /* Clean the realign buffer if it was used */ - if (out_misaligned) { - volatile unsigned long *p=(void *)out; - size_t n = allocated/sizeof(*p); - while (n--) *p++=0; - } - - memset(cdata->iv, 0, AES_BLOCK_SIZE); - - return 1; -} - -#endif /* OPENSSL_NO_AES */ - -/* ===== Random Number Generator ===== */ -/* - * This code is not engaged. The reason is that it does not comply - * with recommendations for VIA RNG usage for secure applications - * (posted at http://www.via.com.tw/en/viac3/c3.jsp) nor does it - * provide meaningful error control... - */ -/* Wrapper that provides an interface between the API and - the raw PadLock RNG */ -static int -padlock_rand_bytes(unsigned char *output, int count) -{ - unsigned int eax, buf; - - while (count >= 8) { - eax = padlock_xstore(output, 0); - if (!(eax&(1<<6))) return 0; /* RNG disabled */ - /* this ---vv--- covers DC bias, Raw Bits and String Filter */ - if (eax&(0x1F<<10)) return 0; - if ((eax&0x1F)==0) continue; /* no data, retry... */ - if ((eax&0x1F)!=8) return 0; /* fatal failure... */ - output += 8; - count -= 8; - } - while (count > 0) { - eax = padlock_xstore(&buf, 3); - if (!(eax&(1<<6))) return 0; /* RNG disabled */ - /* this ---vv--- covers DC bias, Raw Bits and String Filter */ - if (eax&(0x1F<<10)) return 0; - if ((eax&0x1F)==0) continue; /* no data, retry... */ - if ((eax&0x1F)!=1) return 0; /* fatal failure... */ - *output++ = (unsigned char)buf; - count--; - } - *(volatile unsigned int *)&buf=0; - - return 1; -} - -/* Dummy but necessary function */ -static int -padlock_rand_status(void) -{ - return 1; -} - -/* Prepare structure for registration */ -static RAND_METHOD padlock_rand = { - NULL, /* seed */ - padlock_rand_bytes, /* bytes */ - NULL, /* cleanup */ - NULL, /* add */ - padlock_rand_bytes, /* pseudorand */ - padlock_rand_status, /* rand status */ -}; - -#else /* !COMPILE_HW_PADLOCK */ -#ifndef OPENSSL_NO_DYNAMIC_ENGINE -OPENSSL_EXPORT -int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns); -OPENSSL_EXPORT -int bind_engine(ENGINE *e, const char *id, const dynamic_fns *fns) { return 0; } -IMPLEMENT_DYNAMIC_CHECK_FN() -#endif -#endif /* COMPILE_HW_PADLOCK */ - -#endif /* !OPENSSL_NO_HW_PADLOCK */ -#endif /* !OPENSSL_NO_HW */ diff --git a/src/lib/libssl/src/engines/e_padlock.ec b/src/lib/libssl/src/engines/e_padlock.ec deleted file mode 100644 index 5c8a1d26a5..0000000000 --- a/src/lib/libssl/src/engines/e_padlock.ec +++ /dev/null @@ -1 +0,0 @@ -L PADLOCK e_padlock_err.h e_padlock_err.c -- cgit v1.2.3-55-g6feb