diff options
Diffstat (limited to 'drivers/builtin_openssl/crypto/ecdsa/ecdsatest.c')
| -rw-r--r-- | drivers/builtin_openssl/crypto/ecdsa/ecdsatest.c | 572 |
1 files changed, 0 insertions, 572 deletions
diff --git a/drivers/builtin_openssl/crypto/ecdsa/ecdsatest.c b/drivers/builtin_openssl/crypto/ecdsa/ecdsatest.c deleted file mode 100644 index 537bb30362..0000000000 --- a/drivers/builtin_openssl/crypto/ecdsa/ecdsatest.c +++ /dev/null @@ -1,572 +0,0 @@ -/* 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; -#ifndef OPENSSL_NO_EC2M - 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; -#endif - 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; - ECDSA_SIG *ecdsa_sig = NULL; - unsigned char digest[20], wrong_digest[20]; - unsigned char *signature = NULL; - const unsigned char *sig_ptr; - unsigned char *sig_ptr2; - unsigned char *raw_buf = NULL; - unsigned int sig_len, degree, r_len, s_len, bn_len, buf_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); - degree = EC_GROUP_get_degree(EC_KEY_get0_group(eckey)); - if (degree < 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); - /* wrong length */ - if (ECDSA_verify(0, digest, 20, signature, sig_len - 1, - eckey) == 1) - { - BIO_printf(out, " failed\n"); - goto builtin_err; - } - BIO_printf(out, "."); - (void)BIO_flush(out); - - /* Modify a single byte of the signature: to ensure we don't - * garble the ASN1 structure, we read the raw signature and - * modify a byte in one of the bignums directly. */ - sig_ptr = signature; - if ((ecdsa_sig = d2i_ECDSA_SIG(NULL, &sig_ptr, sig_len)) == NULL) - { - BIO_printf(out, " failed\n"); - goto builtin_err; - } - - /* Store the two BIGNUMs in raw_buf. */ - r_len = BN_num_bytes(ecdsa_sig->r); - s_len = BN_num_bytes(ecdsa_sig->s); - bn_len = (degree + 7) / 8; - if ((r_len > bn_len) || (s_len > bn_len)) - { - BIO_printf(out, " failed\n"); - goto builtin_err; - } - buf_len = 2 * bn_len; - if ((raw_buf = OPENSSL_malloc(buf_len)) == NULL) - goto builtin_err; - /* Pad the bignums with leading zeroes. */ - memset(raw_buf, 0, buf_len); - BN_bn2bin(ecdsa_sig->r, raw_buf + bn_len - r_len); - BN_bn2bin(ecdsa_sig->s, raw_buf + buf_len - s_len); - - /* Modify a single byte in the buffer. */ - offset = raw_buf[10] % buf_len; - dirt = raw_buf[11] ? raw_buf[11] : 1; - raw_buf[offset] ^= dirt; - /* Now read the BIGNUMs back in from raw_buf. */ - if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) || - (BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL)) - goto builtin_err; - - sig_ptr2 = signature; - sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr2); - if (ECDSA_verify(0, digest, 20, signature, sig_len, eckey) == 1) - { - BIO_printf(out, " failed\n"); - goto builtin_err; - } - /* Sanity check: undo the modification and verify signature. */ - raw_buf[offset] ^= dirt; - if ((BN_bin2bn(raw_buf, bn_len, ecdsa_sig->r) == NULL) || - (BN_bin2bn(raw_buf + bn_len, bn_len, ecdsa_sig->s) == NULL)) - goto builtin_err; - - sig_ptr2 = signature; - sig_len = i2d_ECDSA_SIG(ecdsa_sig, &sig_ptr2); - 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 */ - /* clean bogus errors */ - ERR_clear_error(); - OPENSSL_free(signature); - signature = NULL; - EC_KEY_free(eckey); - eckey = NULL; - EC_KEY_free(wrong_eckey); - wrong_eckey = NULL; - ECDSA_SIG_free(ecdsa_sig); - ecdsa_sig = NULL; - OPENSSL_free(raw_buf); - raw_buf = NULL; - } - - ret = 1; -builtin_err: - if (eckey) - EC_KEY_free(eckey); - if (wrong_eckey) - EC_KEY_free(wrong_eckey); - if (ecdsa_sig) - ECDSA_SIG_free(ecdsa_sig); - if (signature) - OPENSSL_free(signature); - if (raw_buf) - OPENSSL_free(raw_buf); - 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 |