/* * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ /* * DSA low level APIs are deprecated for public use, but still ok for * internal use. */ #include "internal/deprecated.h" #include #include #include #include #include #include #include #include #include #include #include #include "testutil.h" #include "internal/nelem.h" #ifndef OPENSSL_NO_DSA static int dsa_cb(int p, int n, BN_GENCB *arg); static unsigned char out_p[] = { 0x8d, 0xf2, 0xa4, 0x94, 0x49, 0x22, 0x76, 0xaa, 0x3d, 0x25, 0x75, 0x9b, 0xb0, 0x68, 0x69, 0xcb, 0xea, 0xc0, 0xd8, 0x3a, 0xfb, 0x8d, 0x0c, 0xf7, 0xcb, 0xb8, 0x32, 0x4f, 0x0d, 0x78, 0x82, 0xe5, 0xd0, 0x76, 0x2f, 0xc5, 0xb7, 0x21, 0x0e, 0xaf, 0xc2, 0xe9, 0xad, 0xac, 0x32, 0xab, 0x7a, 0xac, 0x49, 0x69, 0x3d, 0xfb, 0xf8, 0x37, 0x24, 0xc2, 0xec, 0x07, 0x36, 0xee, 0x31, 0xc8, 0x02, 0x91, }; static unsigned char out_q[] = { 0xc7, 0x73, 0x21, 0x8c, 0x73, 0x7e, 0xc8, 0xee, 0x99, 0x3b, 0x4f, 0x2d, 0xed, 0x30, 0xf4, 0x8e, 0xda, 0xce, 0x91, 0x5f, }; static unsigned char out_g[] = { 0x62, 0x6d, 0x02, 0x78, 0x39, 0xea, 0x0a, 0x13, 0x41, 0x31, 0x63, 0xa5, 0x5b, 0x4c, 0xb5, 0x00, 0x29, 0x9d, 0x55, 0x22, 0x95, 0x6c, 0xef, 0xcb, 0x3b, 0xff, 0x10, 0xf3, 0x99, 0xce, 0x2c, 0x2e, 0x71, 0xcb, 0x9d, 0xe5, 0xfa, 0x24, 0xba, 0xbf, 0x58, 0xe5, 0xb7, 0x95, 0x21, 0x92, 0x5c, 0x9c, 0xc4, 0x2e, 0x9f, 0x6f, 0x46, 0x4b, 0x08, 0x8c, 0xc5, 0x72, 0xaf, 0x53, 0xe6, 0xd7, 0x88, 0x02, }; static int dsa_test(void) { BN_GENCB *cb; DSA *dsa = NULL; int counter, ret = 0, i, j; unsigned char buf[256]; unsigned long h; unsigned char sig[256]; unsigned int siglen; const BIGNUM *p = NULL, *q = NULL, *g = NULL; /* * seed, out_p, out_q, out_g are taken from the updated Appendix 5 to FIPS * PUB 186 and also appear in Appendix 5 to FIPS PIB 186-1 */ static unsigned char seed[20] = { 0xd5, 0x01, 0x4e, 0x4b, 0x60, 0xef, 0x2b, 0xa8, 0xb6, 0x21, 0x1b, 0x40, 0x62, 0xba, 0x32, 0x24, 0xe0, 0x42, 0x7d, 0xd3, }; static const unsigned char str1[] = "12345678901234567890"; if (!TEST_ptr(cb = BN_GENCB_new())) goto end; BN_GENCB_set(cb, dsa_cb, NULL); if (!TEST_ptr(dsa = DSA_new()) || !TEST_true(DSA_generate_parameters_ex(dsa, 512, seed, 20, &counter, &h, cb))) goto end; if (!TEST_int_eq(counter, 105)) goto end; if (!TEST_int_eq(h, 2)) goto end; DSA_get0_pqg(dsa, &p, &q, &g); i = BN_bn2bin(q, buf); j = sizeof(out_q); if (!TEST_int_eq(i, j) || !TEST_mem_eq(buf, i, out_q, i)) goto end; i = BN_bn2bin(p, buf); j = sizeof(out_p); if (!TEST_int_eq(i, j) || !TEST_mem_eq(buf, i, out_p, i)) goto end; i = BN_bn2bin(g, buf); j = sizeof(out_g); if (!TEST_int_eq(i, j) || !TEST_mem_eq(buf, i, out_g, i)) goto end; if (!TEST_true(DSA_generate_key(dsa))) goto end; if (!TEST_true(DSA_sign(0, str1, 20, sig, &siglen, dsa))) goto end; if (TEST_int_gt(DSA_verify(0, str1, 20, sig, siglen, dsa), 0)) ret = 1; end: DSA_free(dsa); BN_GENCB_free(cb); return ret; } static int dsa_cb(int p, int n, BN_GENCB *arg) { static int ok = 0, num = 0; if (p == 0) num++; if (p == 2) ok++; if (!ok && (p == 0) && (num > 1)) { TEST_error("dsa_cb error"); return 0; } return 1; } # define P 0 # define Q 1 # define G 2 # define SEED 3 # define PCOUNT 4 # define GINDEX 5 # define HCOUNT 6 # define GROUP 7 static int dsa_keygen_test(void) { int ret = 0; EVP_PKEY *param_key = NULL, *key = NULL; EVP_PKEY_CTX *pg_ctx = NULL, *kg_ctx = NULL; BIGNUM *p_in = NULL, *q_in = NULL, *g_in = NULL; BIGNUM *p_out = NULL, *q_out = NULL, *g_out = NULL; int gindex_out = 0, pcount_out = 0, hcount_out = 0; unsigned char seed_out[32]; char group_out[32]; size_t len = 0; const OSSL_PARAM *settables = NULL; static const unsigned char seed_data[] = { 0xa6, 0xf5, 0x28, 0x8c, 0x50, 0x77, 0xa5, 0x68, 0x6d, 0x3a, 0xf5, 0xf1, 0xc6, 0x4c, 0xdc, 0x35, 0x95, 0x26, 0x3f, 0x03, 0xdc, 0x00, 0x3f, 0x44, 0x7b, 0x2a, 0xc7, 0x29 }; static const unsigned char expected_p[]= { 0xdb, 0x47, 0x07, 0xaf, 0xf0, 0x06, 0x49, 0x55, 0xc9, 0xbb, 0x09, 0x41, 0xb8, 0xdb, 0x1f, 0xbc, 0xa8, 0xed, 0x12, 0x06, 0x7f, 0x88, 0x49, 0xb8, 0xc9, 0x12, 0x87, 0x21, 0xbb, 0x08, 0x6c, 0xbd, 0xf1, 0x89, 0xef, 0x84, 0xd9, 0x7a, 0x93, 0xe8, 0x45, 0x40, 0x81, 0xec, 0x37, 0x27, 0x1a, 0xa4, 0x22, 0x51, 0x99, 0xf0, 0xde, 0x04, 0xdb, 0xea, 0xa1, 0xf9, 0x37, 0x83, 0x80, 0x96, 0x36, 0x53, 0xf6, 0xae, 0x14, 0x73, 0x33, 0x0f, 0xdf, 0x0b, 0xf9, 0x2f, 0x08, 0x46, 0x31, 0xf9, 0x66, 0xcd, 0x5a, 0xeb, 0x6c, 0xf3, 0xbb, 0x74, 0xf3, 0x88, 0xf0, 0x31, 0x5c, 0xa4, 0xc8, 0x0f, 0x86, 0xf3, 0x0f, 0x9f, 0xc0, 0x8c, 0x57, 0xe4, 0x7f, 0x95, 0xb3, 0x62, 0xc8, 0x4e, 0xae, 0xf3, 0xd8, 0x14, 0xcc, 0x47, 0xc2, 0x4b, 0x4f, 0xef, 0xaf, 0xcd, 0xcf, 0xb2, 0xbb, 0xe8, 0xbe, 0x08, 0xca, 0x15, 0x90, 0x59, 0x35, 0xef, 0x35, 0x1c, 0xfe, 0xeb, 0x33, 0x2e, 0x25, 0x22, 0x57, 0x9c, 0x55, 0x23, 0x0c, 0x6f, 0xed, 0x7c, 0xb6, 0xc7, 0x36, 0x0b, 0xcb, 0x2b, 0x6a, 0x21, 0xa1, 0x1d, 0x55, 0x77, 0xd9, 0x91, 0xcd, 0xc1, 0xcd, 0x3d, 0x82, 0x16, 0x9c, 0xa0, 0x13, 0xa5, 0x83, 0x55, 0x3a, 0x73, 0x7e, 0x2c, 0x44, 0x3e, 0x70, 0x2e, 0x50, 0x91, 0x6e, 0xca, 0x3b, 0xef, 0xff, 0x85, 0x35, 0x70, 0xff, 0x61, 0x0c, 0xb1, 0xb2, 0xb7, 0x94, 0x6f, 0x65, 0xa4, 0x57, 0x62, 0xef, 0x21, 0x83, 0x0f, 0x3e, 0x71, 0xae, 0x7d, 0xe4, 0xad, 0xfb, 0xe3, 0xdd, 0xd6, 0x03, 0xda, 0x9a, 0xd8, 0x8f, 0x2d, 0xbb, 0x90, 0x87, 0xf8, 0xdb, 0xdc, 0xec, 0x71, 0xf2, 0xdb, 0x0b, 0x8e, 0xfc, 0x1a, 0x7e, 0x79, 0xb1, 0x1b, 0x0d, 0xfc, 0x70, 0xec, 0x85, 0xc2, 0xc5, 0xba, 0xb9, 0x69, 0x3f, 0x88, 0xbc, 0xcb }; static const unsigned char expected_q[]= { 0x99, 0xb6, 0xa0, 0xee, 0xb3, 0xa6, 0x99, 0x1a, 0xb6, 0x67, 0x8d, 0xc1, 0x2b, 0x9b, 0xce, 0x2b, 0x01, 0x72, 0x5a, 0x65, 0x76, 0x3d, 0x93, 0x69, 0xe2, 0x56, 0xae, 0xd7 }; static const unsigned char expected_g[]= { 0x63, 0xf8, 0xb6, 0xee, 0x2a, 0x27, 0xaf, 0x4f, 0x4c, 0xf6, 0x08, 0x28, 0x87, 0x4a, 0xe7, 0x1f, 0x45, 0x46, 0x27, 0x52, 0x3b, 0x7f, 0x6f, 0xd2, 0x29, 0xcb, 0xe8, 0x11, 0x19, 0x25, 0x35, 0x76, 0x99, 0xcb, 0x4f, 0x1b, 0xe0, 0xed, 0x32, 0x9e, 0x05, 0xb5, 0xbe, 0xd7, 0xf6, 0x5a, 0xb2, 0xf6, 0x0e, 0x0c, 0x7e, 0xf5, 0xe1, 0x05, 0xfe, 0xda, 0xaf, 0x0f, 0x27, 0x1e, 0x40, 0x2a, 0xf7, 0xa7, 0x23, 0x49, 0x2c, 0xd9, 0x1b, 0x0a, 0xbe, 0xff, 0xc7, 0x7c, 0x7d, 0x60, 0xca, 0xa3, 0x19, 0xc3, 0xb7, 0xe4, 0x43, 0xb0, 0xf5, 0x75, 0x44, 0x90, 0x46, 0x47, 0xb1, 0xa6, 0x48, 0x0b, 0x21, 0x8e, 0xee, 0x75, 0xe6, 0x3d, 0xa7, 0xd3, 0x7b, 0x31, 0xd1, 0xd2, 0x9d, 0xe2, 0x8a, 0xfc, 0x57, 0xfd, 0x8a, 0x10, 0x31, 0xeb, 0x87, 0x36, 0x3f, 0x65, 0x72, 0x23, 0x2c, 0xd3, 0xd6, 0x17, 0xa5, 0x62, 0x58, 0x65, 0x57, 0x6a, 0xd4, 0xa8, 0xfe, 0xec, 0x57, 0x76, 0x0c, 0xb1, 0x4c, 0x93, 0xed, 0xb0, 0xb4, 0xf9, 0x45, 0xb3, 0x3e, 0xdd, 0x47, 0xf1, 0xfb, 0x7d, 0x25, 0x79, 0x3d, 0xfc, 0xa7, 0x39, 0x90, 0x68, 0x6a, 0x6b, 0xae, 0xf2, 0x6e, 0x64, 0x8c, 0xfb, 0xb8, 0xdd, 0x76, 0x4e, 0x4a, 0x69, 0x8c, 0x97, 0x15, 0x77, 0xb2, 0x67, 0xdc, 0xeb, 0x4a, 0x40, 0x6b, 0xb9, 0x47, 0x8f, 0xa6, 0xab, 0x6e, 0x98, 0xc0, 0x97, 0x9a, 0x0c, 0xea, 0x00, 0xfd, 0x56, 0x1a, 0x74, 0x9a, 0x32, 0x6b, 0xfe, 0xbd, 0xdf, 0x6c, 0x82, 0x54, 0x53, 0x4d, 0x70, 0x65, 0xe3, 0x8b, 0x37, 0xb8, 0xe4, 0x70, 0x08, 0xb7, 0x3b, 0x30, 0x27, 0xaf, 0x1c, 0x77, 0xf3, 0x62, 0xd4, 0x9a, 0x59, 0xba, 0xd1, 0x6e, 0x89, 0x5c, 0x34, 0x9a, 0xa1, 0xb7, 0x4f, 0x7d, 0x8c, 0xdc, 0xbc, 0x74, 0x25, 0x5e, 0xbf, 0x77, 0x46 }; int expected_c = 1316; int expected_h = 2; if (!TEST_ptr(p_in = BN_bin2bn(expected_p, sizeof(expected_p), NULL)) || !TEST_ptr(q_in = BN_bin2bn(expected_q, sizeof(expected_q), NULL)) || !TEST_ptr(g_in = BN_bin2bn(expected_g, sizeof(expected_g), NULL))) goto end; if (!TEST_ptr(pg_ctx = EVP_PKEY_CTX_new_from_name(NULL, "DSA", NULL)) || !TEST_int_gt(EVP_PKEY_paramgen_init(pg_ctx), 0) || !TEST_ptr_null(EVP_PKEY_CTX_gettable_params(pg_ctx)) || !TEST_ptr(settables = EVP_PKEY_CTX_settable_params(pg_ctx)) || !TEST_ptr(OSSL_PARAM_locate_const(settables, OSSL_PKEY_PARAM_FFC_PBITS)) || !TEST_true(EVP_PKEY_CTX_set_dsa_paramgen_type(pg_ctx, "fips186_4")) || !TEST_true(EVP_PKEY_CTX_set_dsa_paramgen_bits(pg_ctx, 2048)) || !TEST_true(EVP_PKEY_CTX_set_dsa_paramgen_q_bits(pg_ctx, 224)) || !TEST_true(EVP_PKEY_CTX_set_dsa_paramgen_seed(pg_ctx, seed_data, sizeof(seed_data))) || !TEST_true(EVP_PKEY_CTX_set_dsa_paramgen_md_props(pg_ctx, "SHA256", "")) || !TEST_int_gt(EVP_PKEY_generate(pg_ctx, ¶m_key), 0) || !TEST_ptr(kg_ctx = EVP_PKEY_CTX_new_from_pkey(NULL, param_key, NULL)) || !TEST_int_gt(EVP_PKEY_keygen_init(kg_ctx), 0) || !TEST_int_gt(EVP_PKEY_generate(kg_ctx, &key), 0)) goto end; if (!TEST_true(EVP_PKEY_get_bn_param(key, OSSL_PKEY_PARAM_FFC_P, &p_out)) || !TEST_BN_eq(p_in, p_out) || !TEST_true(EVP_PKEY_get_bn_param(key, OSSL_PKEY_PARAM_FFC_Q, &q_out)) || !TEST_BN_eq(q_in, q_out) || !TEST_true(EVP_PKEY_get_bn_param(key, OSSL_PKEY_PARAM_FFC_G, &g_out)) || !TEST_BN_eq(g_in, g_out) || !TEST_true(EVP_PKEY_get_octet_string_param( key, OSSL_PKEY_PARAM_FFC_SEED, seed_out, sizeof(seed_out), &len)) || !TEST_mem_eq(seed_out, len, seed_data, sizeof(seed_data)) || !TEST_true(EVP_PKEY_get_int_param(key, OSSL_PKEY_PARAM_FFC_GINDEX, &gindex_out)) || !TEST_int_eq(gindex_out, -1) || !TEST_true(EVP_PKEY_get_int_param(key, OSSL_PKEY_PARAM_FFC_H, &hcount_out)) || !TEST_int_eq(hcount_out, expected_h) || !TEST_true(EVP_PKEY_get_int_param(key, OSSL_PKEY_PARAM_FFC_PCOUNTER, &pcount_out)) || !TEST_int_eq(pcount_out, expected_c) || !TEST_false(EVP_PKEY_get_utf8_string_param(key, OSSL_PKEY_PARAM_GROUP_NAME, group_out, sizeof(group_out), &len))) goto end; ret = 1; end: BN_free(p_in); BN_free(q_in); BN_free(g_in); BN_free(p_out); BN_free(q_out); BN_free(g_out); EVP_PKEY_free(param_key); EVP_PKEY_free(key); EVP_PKEY_CTX_free(kg_ctx); EVP_PKEY_CTX_free(pg_ctx); return ret; } static int test_dsa_default_paramgen_validate(int i) { int ret; EVP_PKEY_CTX *gen_ctx = NULL; EVP_PKEY_CTX *check_ctx = NULL; EVP_PKEY *params = NULL; ret = TEST_ptr(gen_ctx = EVP_PKEY_CTX_new_from_name(NULL, "DSA", NULL)) && TEST_int_gt(EVP_PKEY_paramgen_init(gen_ctx), 0) && (i == 0 || TEST_true(EVP_PKEY_CTX_set_dsa_paramgen_bits(gen_ctx, 512))) && TEST_int_gt(EVP_PKEY_generate(gen_ctx, ¶ms), 0) && TEST_ptr(check_ctx = EVP_PKEY_CTX_new_from_pkey(NULL, params, NULL)) && TEST_int_gt(EVP_PKEY_param_check(check_ctx), 0); EVP_PKEY_free(params); EVP_PKEY_CTX_free(check_ctx); EVP_PKEY_CTX_free(gen_ctx); return ret; } static int test_dsa_sig_infinite_loop(void) { int ret = 0; DSA *dsa = NULL; BIGNUM *p = NULL, *q = NULL, *g = NULL, *priv = NULL, *pub = NULL, *priv2 = NULL; BIGNUM *badq = NULL, *badpriv = NULL; const unsigned char msg[] = { 0x00 }; unsigned int signature_len0; unsigned int signature_len; unsigned char signature[64]; static unsigned char out_priv[] = { 0x17, 0x00, 0xb2, 0x8d, 0xcb, 0x24, 0xc9, 0x98, 0xd0, 0x7f, 0x1f, 0x83, 0x1a, 0xa1, 0xc4, 0xa4, 0xf8, 0x0f, 0x7f, 0x12 }; static unsigned char out_pub[] = { 0x04, 0x72, 0xee, 0x8d, 0xaa, 0x4d, 0x89, 0x60, 0x0e, 0xb2, 0xd4, 0x38, 0x84, 0xa2, 0x2a, 0x60, 0x5f, 0x67, 0xd7, 0x9e, 0x24, 0xdd, 0xe8, 0x50, 0xf2, 0x23, 0x71, 0x55, 0x53, 0x94, 0x0d, 0x6b, 0x2e, 0xcd, 0x30, 0xda, 0x6f, 0x1e, 0x2c, 0xcf, 0x59, 0xbe, 0x05, 0x6c, 0x07, 0x0e, 0xc6, 0x38, 0x05, 0xcb, 0x0c, 0x44, 0x0a, 0x08, 0x13, 0xb6, 0x0f, 0x14, 0xde, 0x4a, 0xf6, 0xed, 0x4e, 0xc3 }; if (!TEST_ptr(p = BN_bin2bn(out_p, sizeof(out_p), NULL)) || !TEST_ptr(q = BN_bin2bn(out_q, sizeof(out_q), NULL)) || !TEST_ptr(g = BN_bin2bn(out_g, sizeof(out_g), NULL)) || !TEST_ptr(pub = BN_bin2bn(out_pub, sizeof(out_pub), NULL)) || !TEST_ptr(priv = BN_bin2bn(out_priv, sizeof(out_priv), NULL)) || !TEST_ptr(priv2 = BN_dup(priv)) || !TEST_ptr(badq = BN_new()) || !TEST_true(BN_set_word(badq, 1)) || !TEST_ptr(badpriv = BN_new()) || !TEST_true(BN_set_word(badpriv, 0)) || !TEST_ptr(dsa = DSA_new())) goto err; if (!TEST_true(DSA_set0_pqg(dsa, p, q, g))) goto err; p = q = g = NULL; if (!TEST_true(DSA_set0_key(dsa, pub, priv))) goto err; pub = priv = NULL; if (!TEST_int_le(DSA_size(dsa), sizeof(signature))) goto err; /* Test passing signature as NULL */ if (!TEST_true(DSA_sign(0, msg, sizeof(msg), NULL, &signature_len0, dsa)) || !TEST_int_gt(signature_len0, 0)) goto err; if (!TEST_true(DSA_sign(0, msg, sizeof(msg), signature, &signature_len, dsa)) || !TEST_int_gt(signature_len, 0) || !TEST_int_le(signature_len, signature_len0)) goto err; /* Test using a private key of zero fails - this causes an infinite loop without the retry test */ if (!TEST_true(DSA_set0_key(dsa, NULL, badpriv))) goto err; badpriv = NULL; if (!TEST_false(DSA_sign(0, msg, sizeof(msg), signature, &signature_len, dsa))) goto err; /* Restore private and set a bad q - this caused an infinite loop in the setup */ if (!TEST_true(DSA_set0_key(dsa, NULL, priv2))) goto err; priv2 = NULL; if (!TEST_true(DSA_set0_pqg(dsa, NULL, badq, NULL))) goto err; badq = NULL; if (!TEST_false(DSA_sign(0, msg, sizeof(msg), signature, &signature_len, dsa))) goto err; ret = 1; err: BN_free(badq); BN_free(badpriv); BN_free(pub); BN_free(priv); BN_free(priv2); BN_free(g); BN_free(q); BN_free(p); DSA_free(dsa); return ret; } static int test_dsa_sig_neg_param(void) { int ret = 0, setpqg = 0; DSA *dsa = NULL; BIGNUM *p = NULL, *q = NULL, *g = NULL, *priv = NULL, *pub = NULL; const unsigned char msg[] = { 0x00 }; unsigned int signature_len; unsigned char signature[64]; static unsigned char out_priv[] = { 0x17, 0x00, 0xb2, 0x8d, 0xcb, 0x24, 0xc9, 0x98, 0xd0, 0x7f, 0x1f, 0x83, 0x1a, 0xa1, 0xc4, 0xa4, 0xf8, 0x0f, 0x7f, 0x12 }; static unsigned char out_pub[] = { 0x04, 0x72, 0xee, 0x8d, 0xaa, 0x4d, 0x89, 0x60, 0x0e, 0xb2, 0xd4, 0x38, 0x84, 0xa2, 0x2a, 0x60, 0x5f, 0x67, 0xd7, 0x9e, 0x24, 0xdd, 0xe8, 0x50, 0xf2, 0x23, 0x71, 0x55, 0x53, 0x94, 0x0d, 0x6b, 0x2e, 0xcd, 0x30, 0xda, 0x6f, 0x1e, 0x2c, 0xcf, 0x59, 0xbe, 0x05, 0x6c, 0x07, 0x0e, 0xc6, 0x38, 0x05, 0xcb, 0x0c, 0x44, 0x0a, 0x08, 0x13, 0xb6, 0x0f, 0x14, 0xde, 0x4a, 0xf6, 0xed, 0x4e, 0xc3 }; if (!TEST_ptr(p = BN_bin2bn(out_p, sizeof(out_p), NULL)) || !TEST_ptr(q = BN_bin2bn(out_q, sizeof(out_q), NULL)) || !TEST_ptr(g = BN_bin2bn(out_g, sizeof(out_g), NULL)) || !TEST_ptr(pub = BN_bin2bn(out_pub, sizeof(out_pub), NULL)) || !TEST_ptr(priv = BN_bin2bn(out_priv, sizeof(out_priv), NULL)) || !TEST_ptr(dsa = DSA_new())) goto err; if (!TEST_true(DSA_set0_pqg(dsa, p, q, g))) goto err; setpqg = 1; if (!TEST_true(DSA_set0_key(dsa, pub, priv))) goto err; pub = priv = NULL; BN_set_negative(p, 1); if (!TEST_false(DSA_sign(0, msg, sizeof(msg), signature, &signature_len, dsa))) goto err; BN_set_negative(p, 0); BN_set_negative(q, 1); if (!TEST_false(DSA_sign(0, msg, sizeof(msg), signature, &signature_len, dsa))) goto err; BN_set_negative(q, 0); BN_set_negative(g, 1); if (!TEST_false(DSA_sign(0, msg, sizeof(msg), signature, &signature_len, dsa))) goto err; BN_set_negative(p, 1); BN_set_negative(q, 1); BN_set_negative(g, 1); if (!TEST_false(DSA_sign(0, msg, sizeof(msg), signature, &signature_len, dsa))) goto err; ret = 1; err: BN_free(pub); BN_free(priv); if (setpqg == 0) { BN_free(g); BN_free(q); BN_free(p); } DSA_free(dsa); return ret; } #endif /* OPENSSL_NO_DSA */ int setup_tests(void) { #ifndef OPENSSL_NO_DSA ADD_TEST(dsa_test); ADD_TEST(dsa_keygen_test); ADD_TEST(test_dsa_sig_infinite_loop); ADD_TEST(test_dsa_sig_neg_param); ADD_ALL_TESTS(test_dsa_default_paramgen_validate, 2); #endif return 1; }