1 files changed, 499 insertions, 0 deletions

diff --git a/src/lib/libcrypto/ecdsa/ecdsatest.c b/src/lib/libcrypto/ecdsa/ecdsatest.c
new file mode 100644
index 0000000000..26a4a9ee7c
--- /dev/null
+++ b/src/lib/libcrypto/ecdsa/ecdsatest.c
@@ -0,0 +1,499 @@
+/* crypto/ecdsa/ecdsatest.c */
+/*
+ * Written by Nils Larsch for the OpenSSL project.
+ */
+/* ====================================================================
+ * Copyright (c) 2000-2005 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).
+ *
+ */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * Portions of the attached software ("Contribution") are developed by 
+ * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
+ *
+ * The Contribution is licensed pursuant to the OpenSSL open source
+ * license provided above.
+ *
+ * The elliptic curve binary polynomial software is originally written by 
+ * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <openssl/opensslconf.h> /* To see if OPENSSL_NO_ECDSA is defined */
+
+#ifdef OPENSSL_NO_ECDSA
+int main(int argc, char * argv[])
+        {
+        puts("Elliptic curves are disabled.");
+        return 0;
+        }
+#else
+
+#include <openssl/crypto.h>
+#include <openssl/bio.h>
+#include <openssl/evp.h>
+#include <openssl/bn.h>
+#include <openssl/ecdsa.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+#include <openssl/err.h>
+#include <openssl/rand.h>
+
+static const char rnd_seed[] = "string to make the random number generator "
+        "think it has entropy";
+
+/* declaration of the test functions */
+int x9_62_tests(BIO *);
+int x9_62_test_internal(BIO *out, int nid, const char *r, const char *s);
+int test_builtin(BIO *);
+
+/* functions to change the RAND_METHOD */
+int change_rand(void);
+int restore_rand(void);
+int fbytes(unsigned char *buf, int num);
+
+RAND_METHOD     fake_rand;
+const RAND_METHOD *old_rand;
+
+int change_rand(void)
+        {
+        /* save old rand method */
+        if ((old_rand = RAND_get_rand_method()) == NULL)
+                return 0;
+
+        fake_rand.seed    = old_rand->seed;
+        fake_rand.cleanup = old_rand->cleanup;
+        fake_rand.add     = old_rand->add;
+        fake_rand.status  = old_rand->status;
+        /* use own random function */
+        fake_rand.bytes      = fbytes;
+        fake_rand.pseudorand = old_rand->bytes;
+        /* set new RAND_METHOD */
+        if (!RAND_set_rand_method(&fake_rand))
+                return 0;
+        return 1;
+        }
+
+int restore_rand(void)
+        {
+        if (!RAND_set_rand_method(old_rand))
+                return 0;
+        else
+                return 1;
+        }
+
+static int fbytes_counter = 0;
+static const char *numbers[8] = {
+        "651056770906015076056810763456358567190100156695615665659",
+        "6140507067065001063065065565667405560006161556565665656654",
+        "8763001015071075675010661307616710783570106710677817767166"
+        "71676178726717",
+        "7000000175690566466555057817571571075705015757757057795755"
+        "55657156756655",
+        "1275552191113212300012030439187146164646146646466749494799",
+        "1542725565216523985789236956265265265235675811949404040041",
+        "1456427555219115346513212300075341203043918714616464614664"
+        "64667494947990",
+        "1712787255652165239672857892369562652652652356758119494040"
+        "40041670216363"};
+
+int fbytes(unsigned char *buf, int num)
+        {
+        int     ret;
+        BIGNUM  *tmp = NULL;
+
+        if (fbytes_counter >= 8)
+                return 0;
+        tmp = BN_new();
+        if (!tmp)
+                return 0;
+        if (!BN_dec2bn(&tmp, numbers[fbytes_counter]))
+                {
+                BN_free(tmp);
+                return 0;
+                }
+        fbytes_counter ++;
+        if (num != BN_num_bytes(tmp) || !BN_bn2bin(tmp, buf))
+                ret = 0;
+        else 
+                ret = 1;
+        if (tmp)
+                BN_free(tmp);
+        return ret;
+        }
+
+/* some tests from the X9.62 draft */
+int x9_62_test_internal(BIO *out, int nid, const char *r_in, const char *s_in)
+        {
+        int     ret = 0;
+        const char message[] = "abc";
+        unsigned char digest[20];
+        unsigned int  dgst_len = 0;
+        EVP_MD_CTX md_ctx;
+        EC_KEY    *key = NULL;
+        ECDSA_SIG *signature = NULL;
+        BIGNUM    *r = NULL, *s = NULL;
+
+        EVP_MD_CTX_init(&md_ctx);
+        /* get the message digest */
+        EVP_DigestInit(&md_ctx, EVP_ecdsa());
+        EVP_DigestUpdate(&md_ctx, (const void*)message, 3);
+        EVP_DigestFinal(&md_ctx, digest, &dgst_len);
+
+        BIO_printf(out, "testing %s: ", OBJ_nid2sn(nid));
+        /* create the key */
+        if ((key = EC_KEY_new_by_curve_name(nid)) == NULL)
+                goto x962_int_err;
+        if (!EC_KEY_generate_key(key))
+                goto x962_int_err;
+        BIO_printf(out, ".");
+        (void)BIO_flush(out);
+        /* create the signature */
+        signature = ECDSA_do_sign(digest, 20, key);
+        if (signature == NULL)
+                goto x962_int_err;
+        BIO_printf(out, ".");
+        (void)BIO_flush(out);
+        /* compare the created signature with the expected signature */
+        if ((r = BN_new()) == NULL || (s = BN_new()) == NULL)
+                goto x962_int_err;
+        if (!BN_dec2bn(&r, r_in) ||
+            !BN_dec2bn(&s, s_in))
+                goto x962_int_err;
+        if (BN_cmp(signature->r ,r) || BN_cmp(signature->s, s))
+                goto x962_int_err;
+        BIO_printf(out, ".");
+        (void)BIO_flush(out);
+        /* verify the signature */
+        if (ECDSA_do_verify(digest, 20, signature, key) != 1)
+                goto x962_int_err;
+        BIO_printf(out, ".");
+        (void)BIO_flush(out);
+
+        BIO_printf(out, " ok\n");
+        ret = 1;
+x962_int_err:
+        if (!ret)
+                BIO_printf(out, " failed\n");
+        if (key)
+                EC_KEY_free(key);
+        if (signature)
+                ECDSA_SIG_free(signature);
+        if (r)
+                BN_free(r);
+        if (s)
+                BN_free(s);
+        EVP_MD_CTX_cleanup(&md_ctx);
+        return ret;
+        }
+
+int x9_62_tests(BIO *out)
+        {
+        int ret = 0;
+
+        BIO_printf(out, "some tests from X9.62:\n");
+
+        /* set own rand method */
+        if (!change_rand())
+                goto x962_err;
+
+        if (!x9_62_test_internal(out, NID_X9_62_prime192v1,
+                "3342403536405981729393488334694600415596881826869351677613",
+                "5735822328888155254683894997897571951568553642892029982342"))
+                goto x962_err;
+        if (!x9_62_test_internal(out, NID_X9_62_prime239v1,
+                "3086361431751678114926225473006680188549593787585317781474"
+                "62058306432176",
+                "3238135532097973577080787768312505059318910517550078427819"
+                "78505179448783"))
+                goto x962_err;
+        if (!x9_62_test_internal(out, NID_X9_62_c2tnb191v1,
+                "87194383164871543355722284926904419997237591535066528048",
+                "308992691965804947361541664549085895292153777025772063598"))
+                goto x962_err;
+        if (!x9_62_test_internal(out, NID_X9_62_c2tnb239v1,
+                "2159633321041961198501834003903461262881815148684178964245"
+                "5876922391552",
+                "1970303740007316867383349976549972270528498040721988191026"
+                "49413465737174"))
+                goto x962_err;
+
+        ret = 1;
+x962_err:
+        if (!restore_rand())
+                ret = 0;
+        return ret;
+        }
+
+int test_builtin(BIO *out)
+        {
+        EC_builtin_curve *curves = NULL;
+        size_t          crv_len = 0, n = 0;
+        EC_KEY          *eckey = NULL, *wrong_eckey = NULL;
+        EC_GROUP        *group;
+        unsigned char   digest[20], wrong_digest[20];
+        unsigned char   *signature = NULL; 
+        unsigned int    sig_len;
+        int             nid, ret =  0;
+        
+        /* fill digest values with some random data */
+        if (!RAND_pseudo_bytes(digest, 20) ||
+            !RAND_pseudo_bytes(wrong_digest, 20))
+                {
+                BIO_printf(out, "ERROR: unable to get random data\n");
+                goto builtin_err;
+                }
+
+        /* create and verify a ecdsa signature with every availble curve
+         * (with ) */
+        BIO_printf(out, "\ntesting ECDSA_sign() and ECDSA_verify() "
+                "with some internal curves:\n");
+
+        /* get a list of all internal curves */
+        crv_len = EC_get_builtin_curves(NULL, 0);
+
+        curves = OPENSSL_malloc(sizeof(EC_builtin_curve) * crv_len);
+
+        if (curves == NULL)
+                {
+                BIO_printf(out, "malloc error\n");
+                goto builtin_err;
+                }
+        
+        if (!EC_get_builtin_curves(curves, crv_len))
+                {
+                BIO_printf(out, "unable to get internal curves\n");
+                goto builtin_err;
+                }
+
+        /* now create and verify a signature for every curve */
+        for (n = 0; n < crv_len; n++)
+                {
+                unsigned char dirt, offset;
+
+                nid = curves[n].nid;
+                if (nid == NID_ipsec4)
+                        continue;
+                /* create new ecdsa key (== EC_KEY) */
+                if ((eckey = EC_KEY_new()) == NULL)
+                        goto builtin_err;
+                group = EC_GROUP_new_by_curve_name(nid);
+                if (group == NULL)
+                        goto builtin_err;
+                if (EC_KEY_set_group(eckey, group) == 0)
+                        goto builtin_err;
+                EC_GROUP_free(group);
+                if (EC_GROUP_get_degree(EC_KEY_get0_group(eckey)) < 160)
+                        /* drop the curve */ 
+                        {
+                        EC_KEY_free(eckey);
+                        eckey = NULL;
+                        continue;
+                        }
+                BIO_printf(out, "%s: ", OBJ_nid2sn(nid));
+                /* create key */
+                if (!EC_KEY_generate_key(eckey))
+                        {
+                        BIO_printf(out, " failed\n");
+                        goto builtin_err;
+                        }
+                /* create second key */
+                if ((wrong_eckey = EC_KEY_new()) == NULL)
+                        goto builtin_err;
+                group = EC_GROUP_new_by_curve_name(nid);
+                if (group == NULL)
+                        goto builtin_err;
+                if (EC_KEY_set_group(wrong_eckey, group) == 0)
+                        goto builtin_err;
+                EC_GROUP_free(group);
+                if (!EC_KEY_generate_key(wrong_eckey))
+                        {
+                        BIO_printf(out, " failed\n");
+                        goto builtin_err;
+                        }
+
+                BIO_printf(out, ".");
+                (void)BIO_flush(out);
+                /* check key */
+                if (!EC_KEY_check_key(eckey))
+                        {
+                        BIO_printf(out, " failed\n");
+                        goto builtin_err;
+                        }
+                BIO_printf(out, ".");
+                (void)BIO_flush(out);
+                /* create signature */
+                sig_len = ECDSA_size(eckey);
+                if ((signature = OPENSSL_malloc(sig_len)) == NULL)
+                        goto builtin_err;
+                if (!ECDSA_sign(0, digest, 20, signature, &sig_len, eckey))
+                        {
+                        BIO_printf(out, " failed\n");
+                        goto builtin_err;
+                        }
+                BIO_printf(out, ".");
+                (void)BIO_flush(out);
+                /* verify signature */
+                if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) != 1)
+                        {
+                        BIO_printf(out, " failed\n");
+                        goto builtin_err;
+                        }
+                BIO_printf(out, ".");
+                (void)BIO_flush(out);
+                /* verify signature with the wrong key */
+                if (ECDSA_verify(0, digest, 20, signature, sig_len, 
+                        wrong_eckey) == 1)
+                        {
+                        BIO_printf(out, " failed\n");
+                        goto builtin_err;
+                        }
+                BIO_printf(out, ".");
+                (void)BIO_flush(out);
+                /* wrong digest */
+                if (ECDSA_verify(0, wrong_digest, 20, signature, sig_len,
+                        eckey) == 1)
+                        {
+                        BIO_printf(out, " failed\n");
+                        goto builtin_err;
+                        }
+                BIO_printf(out, ".");
+                (void)BIO_flush(out);
+                /* modify a single byte of the signature */
+                offset = signature[10] % sig_len;
+                dirt   = signature[11];
+                signature[offset] ^= dirt ? dirt : 1; 
+                if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) == 1)
+                        {
+                        BIO_printf(out, " failed\n");
+                        goto builtin_err;
+                        }
+                BIO_printf(out, ".");
+                (void)BIO_flush(out);
+                
+                BIO_printf(out, " ok\n");
+                /* cleanup */
+                OPENSSL_free(signature);
+                signature = NULL;
+                EC_KEY_free(eckey);
+                eckey = NULL;
+                EC_KEY_free(wrong_eckey);
+                wrong_eckey = NULL;
+                }
+
+        ret = 1;        
+builtin_err:
+        if (eckey)
+                EC_KEY_free(eckey);
+        if (wrong_eckey)
+                EC_KEY_free(wrong_eckey);
+        if (signature)
+                OPENSSL_free(signature);
+        if (curves)
+                OPENSSL_free(curves);
+
+        return ret;
+        }
+
+int main(void)
+        {
+        int     ret = 1;
+        BIO     *out;
+
+        out = BIO_new_fp(stdout, BIO_NOCLOSE);
+        
+        /* enable memory leak checking unless explicitly disabled */
+        if (!((getenv("OPENSSL_DEBUG_MEMORY") != NULL) && 
+                (0 == strcmp(getenv("OPENSSL_DEBUG_MEMORY"), "off"))))
+                {
+                CRYPTO_malloc_debug_init();
+                CRYPTO_set_mem_debug_options(V_CRYPTO_MDEBUG_ALL);
+                }
+        else
+                {
+                /* OPENSSL_DEBUG_MEMORY=off */
+                CRYPTO_set_mem_debug_functions(0, 0, 0, 0, 0);
+                }
+        CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
+
+        ERR_load_crypto_strings();
+
+        /* initialize the prng */
+        RAND_seed(rnd_seed, sizeof(rnd_seed));
+
+        /* the tests */
+        if (!x9_62_tests(out))  goto err;
+        if (!test_builtin(out)) goto err;
+        
+        ret = 0;
+err:    
+        if (ret)        
+                BIO_printf(out, "\nECDSA test failed\n");
+        else 
+                BIO_printf(out, "\nECDSA test passed\n");
+        if (ret)
+                ERR_print_errors(out);
+        CRYPTO_cleanup_all_ex_data();
+        ERR_remove_thread_state(NULL);
+        ERR_free_strings();
+        CRYPTO_mem_leaks(out);
+        if (out != NULL)
+                BIO_free(out);
+        return ret;
+        }       
+#endif