From eb8dd9dca1228af0cd132f515509051ecfabf6f6 Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Mon, 14 Apr 2025 17:32:06 +0000 Subject: This commit was manufactured by cvs2git to create tag 'tb_20250414'. --- src/lib/libcrypto/evp/e_rc2.c | 411 ------------------------------------------ 1 file changed, 411 deletions(-) delete mode 100644 src/lib/libcrypto/evp/e_rc2.c (limited to 'src/lib/libcrypto/evp/e_rc2.c') diff --git a/src/lib/libcrypto/evp/e_rc2.c b/src/lib/libcrypto/evp/e_rc2.c deleted file mode 100644 index dc404cff20..0000000000 --- a/src/lib/libcrypto/evp/e_rc2.c +++ /dev/null @@ -1,411 +0,0 @@ -/* $OpenBSD: e_rc2.c,v 1.29 2024/04/09 13:52:41 beck Exp $ */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. - * - * This package is an SSL implementation written - * by Eric Young (eay@cryptsoft.com). - * The implementation was written so as to conform with Netscapes SSL. - * - * This library is free for commercial and non-commercial use as long as - * the following conditions are aheared to. The following conditions - * apply to all code found in this distribution, be it the RC4, RSA, - * lhash, DES, etc., code; not just the SSL code. The SSL documentation - * included with this distribution is covered by the same copyright terms - * except that the holder is Tim Hudson (tjh@cryptsoft.com). - * - * Copyright remains Eric Young's, and as such any Copyright notices in - * the code are not to be removed. - * If this package is used in a product, Eric Young should be given attribution - * as the author of the parts of the library used. - * This can be in the form of a textual message at program startup or - * in documentation (online or textual) provided with the package. - * - * 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 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 acknowledgement: - * "This product includes cryptographic software written by - * Eric Young (eay@cryptsoft.com)" - * The word 'cryptographic' can be left out if the rouines from the library - * being used are not cryptographic related :-). - * 4. If you include any Windows specific code (or a derivative thereof) from - * the apps directory (application code) you must include an acknowledgement: - * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" - * - * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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. - * - * The licence and distribution terms for any publically available version or - * derivative of this code cannot be changed. i.e. this code cannot simply be - * copied and put under another distribution licence - * [including the GNU Public Licence.] - */ - -#include -#include - -#include - -#ifndef OPENSSL_NO_RC2 - -#include -#include -#include -#include - -#include "evp_local.h" - -static int rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc); -static int rc2_meth_to_magic(EVP_CIPHER_CTX *ctx); -static int rc2_magic_to_meth(int i); -static int rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); -static int rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type); -static int rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr); - -typedef struct { - int key_bits; /* effective key bits */ - RC2_KEY ks; /* key schedule */ -} EVP_RC2_KEY; - -#define data(ctx) ((EVP_RC2_KEY *)(ctx)->cipher_data) - -static int -rc2_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) -{ - size_t chunk = LONG_MAX & ~0xff; - - while (inl >= chunk) { - RC2_cbc_encrypt(in, out, (long)chunk, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt); - inl -= chunk; - in += chunk; - out += chunk; - } - - if (inl) - RC2_cbc_encrypt(in, out, (long)inl, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt); - - return 1; -} - -static int -rc2_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) -{ - size_t chunk = LONG_MAX & ~0xff; - - if (inl < chunk) - chunk = inl; - - while (inl && inl >= chunk) { - RC2_cfb64_encrypt(in, out, (long)chunk, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num, ctx->encrypt); - inl -= chunk; - in += chunk; - out += chunk; - if (inl < chunk) - chunk = inl; - } - - return 1; -} - -static int -rc2_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) -{ - size_t i, bl; - - bl = ctx->cipher->block_size; - - if (inl < bl) - return 1; - - inl -= bl; - - for (i = 0; i <= inl; i += bl) - RC2_ecb_encrypt(in + i, out + i, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->encrypt); - - return 1; -} - -static int -rc2_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl) -{ - size_t chunk = LONG_MAX & ~0xff; - - while (inl >= chunk) { - RC2_ofb64_encrypt(in, out, (long)chunk, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num); - inl -= chunk; - in += chunk; - out += chunk; - } - - if (inl) - RC2_ofb64_encrypt(in, out, (long)inl, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num); - - return 1; -} - -static const EVP_CIPHER rc2_cbc = { - .nid = NID_rc2_cbc, - .block_size = 8, - .key_len = RC2_KEY_LENGTH, - .iv_len = 8, - .flags = EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT | EVP_CIPH_CBC_MODE, - .init = rc2_init_key, - .do_cipher = rc2_cbc_cipher, - .cleanup = NULL, - .ctx_size = sizeof(EVP_RC2_KEY), - .set_asn1_parameters = rc2_set_asn1_type_and_iv, - .get_asn1_parameters = rc2_get_asn1_type_and_iv, - .ctrl = rc2_ctrl, -}; - -const EVP_CIPHER * -EVP_rc2_cbc(void) -{ - return &rc2_cbc; -} -LCRYPTO_ALIAS(EVP_rc2_cbc); - -static const EVP_CIPHER rc2_cfb64 = { - .nid = NID_rc2_cfb64, - .block_size = 1, - .key_len = RC2_KEY_LENGTH, - .iv_len = 8, - .flags = EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT | EVP_CIPH_CFB_MODE, - .init = rc2_init_key, - .do_cipher = rc2_cfb64_cipher, - .cleanup = NULL, - .ctx_size = sizeof(EVP_RC2_KEY), - .set_asn1_parameters = rc2_set_asn1_type_and_iv, - .get_asn1_parameters = rc2_get_asn1_type_and_iv, - .ctrl = rc2_ctrl, -}; - -const EVP_CIPHER * -EVP_rc2_cfb64(void) -{ - return &rc2_cfb64; -} -LCRYPTO_ALIAS(EVP_rc2_cfb64); - -static const EVP_CIPHER rc2_ofb = { - .nid = NID_rc2_ofb64, - .block_size = 1, - .key_len = RC2_KEY_LENGTH, - .iv_len = 8, - .flags = EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT | EVP_CIPH_OFB_MODE, - .init = rc2_init_key, - .do_cipher = rc2_ofb_cipher, - .cleanup = NULL, - .ctx_size = sizeof(EVP_RC2_KEY), - .set_asn1_parameters = rc2_set_asn1_type_and_iv, - .get_asn1_parameters = rc2_get_asn1_type_and_iv, - .ctrl = rc2_ctrl, -}; - -const EVP_CIPHER * -EVP_rc2_ofb(void) -{ - return &rc2_ofb; -} -LCRYPTO_ALIAS(EVP_rc2_ofb); - -static const EVP_CIPHER rc2_ecb = { - .nid = NID_rc2_ecb, - .block_size = 8, - .key_len = RC2_KEY_LENGTH, - .iv_len = 0, - .flags = EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT | EVP_CIPH_ECB_MODE, - .init = rc2_init_key, - .do_cipher = rc2_ecb_cipher, - .cleanup = NULL, - .ctx_size = sizeof(EVP_RC2_KEY), - .set_asn1_parameters = rc2_set_asn1_type_and_iv, - .get_asn1_parameters = rc2_get_asn1_type_and_iv, - .ctrl = rc2_ctrl, -}; - -const EVP_CIPHER * -EVP_rc2_ecb(void) -{ - return &rc2_ecb; -} -LCRYPTO_ALIAS(EVP_rc2_ecb); - -#define RC2_40_MAGIC 0xa0 -#define RC2_64_MAGIC 0x78 -#define RC2_128_MAGIC 0x3a - -static const EVP_CIPHER r2_64_cbc_cipher = { - .nid = NID_rc2_64_cbc, - .block_size = 8, - .key_len = 8, - .iv_len = 8, - .flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, - .init = rc2_init_key, - .do_cipher = rc2_cbc_cipher, - .cleanup = NULL, - .ctx_size = sizeof(EVP_RC2_KEY), - .set_asn1_parameters = rc2_set_asn1_type_and_iv, - .get_asn1_parameters = rc2_get_asn1_type_and_iv, - .ctrl = rc2_ctrl, -}; - -static const EVP_CIPHER r2_40_cbc_cipher = { - .nid = NID_rc2_40_cbc, - .block_size = 8, - .key_len = 5, - .iv_len = 8, - .flags = EVP_CIPH_CBC_MODE | EVP_CIPH_VARIABLE_LENGTH | EVP_CIPH_CTRL_INIT, - .init = rc2_init_key, - .do_cipher = rc2_cbc_cipher, - .cleanup = NULL, - .ctx_size = sizeof(EVP_RC2_KEY), - .set_asn1_parameters = rc2_set_asn1_type_and_iv, - .get_asn1_parameters = rc2_get_asn1_type_and_iv, - .ctrl = rc2_ctrl, -}; - -const EVP_CIPHER * -EVP_rc2_64_cbc(void) -{ - return (&r2_64_cbc_cipher); -} -LCRYPTO_ALIAS(EVP_rc2_64_cbc); - -const EVP_CIPHER * -EVP_rc2_40_cbc(void) -{ - return (&r2_40_cbc_cipher); -} -LCRYPTO_ALIAS(EVP_rc2_40_cbc); - -static int -rc2_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, - const unsigned char *iv, int enc) -{ - RC2_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx), - key, data(ctx)->key_bits); - return 1; -} - -static int -rc2_meth_to_magic(EVP_CIPHER_CTX *e) -{ - int i; - - if (EVP_CIPHER_CTX_ctrl(e, EVP_CTRL_GET_RC2_KEY_BITS, 0, &i) <= 0) - return (0); - if (i == 128) - return (RC2_128_MAGIC); - else if (i == 64) - return (RC2_64_MAGIC); - else if (i == 40) - return (RC2_40_MAGIC); - else - return (0); -} - -static int -rc2_magic_to_meth(int i) -{ - if (i == RC2_128_MAGIC) - return 128; - else if (i == RC2_64_MAGIC) - return 64; - else if (i == RC2_40_MAGIC) - return 40; - else { - EVPerror(EVP_R_UNSUPPORTED_KEY_SIZE); - return (0); - } -} - -static int -rc2_get_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) -{ - long num = 0; - int i = 0; - int key_bits; - int l; - unsigned char iv[EVP_MAX_IV_LENGTH]; - - if (type != NULL) { - l = EVP_CIPHER_CTX_iv_length(c); - if (l < 0 || l > sizeof(iv)) { - EVPerror(EVP_R_IV_TOO_LARGE); - return -1; - } - i = ASN1_TYPE_get_int_octetstring(type, &num, iv, l); - if (i != l) - return (-1); - key_bits = rc2_magic_to_meth((int)num); - if (!key_bits) - return (-1); - if (i > 0 && !EVP_CipherInit_ex(c, NULL, NULL, NULL, iv, -1)) - return -1; - if (EVP_CIPHER_CTX_ctrl(c, EVP_CTRL_SET_RC2_KEY_BITS, - key_bits, NULL) <= 0) - return -1; - if (!EVP_CIPHER_CTX_set_key_length(c, key_bits / 8)) - return -1; - } - return (i); -} - -static int -rc2_set_asn1_type_and_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type) -{ - long num; - int i = 0, j; - - if (type != NULL) { - num = rc2_meth_to_magic(c); - j = EVP_CIPHER_CTX_iv_length(c); - if (j < 0 || j > sizeof(c->oiv)) - return 0; - i = ASN1_TYPE_set_int_octetstring(type, num, c->oiv, j); - } - return (i); -} - -static int -rc2_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr) -{ - switch (type) { - case EVP_CTRL_INIT: - data(c)->key_bits = EVP_CIPHER_CTX_key_length(c) * 8; - return 1; - - case EVP_CTRL_GET_RC2_KEY_BITS: - *(int *)ptr = data(c)->key_bits; - return 1; - - case EVP_CTRL_SET_RC2_KEY_BITS: - if (arg > 0) { - data(c)->key_bits = arg; - return 1; - } - return 0; - - default: - return -1; - } -} - -#endif -- cgit v1.2.3-55-g6feb