/* $OpenBSD: ec_asn1_test.c,v 1.2 2021/12/04 17:03:43 tb Exp $ */ /* * Copyright (c) 2017, 2021 Joel Sing * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include const uint8_t ec_secp256r1_pkparameters_named_curve[] = { 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, }; const uint8_t ec_secp256r1_pkparameters_parameters[] = { 0x30, 0x81, 0xf7, 0x02, 0x01, 0x01, 0x30, 0x2c, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x01, 0x01, 0x02, 0x21, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x30, 0x5b, 0x04, 0x20, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfc, 0x04, 0x20, 0x5a, 0xc6, 0x35, 0xd8, 0xaa, 0x3a, 0x93, 0xe7, 0xb3, 0xeb, 0xbd, 0x55, 0x76, 0x98, 0x86, 0xbc, 0x65, 0x1d, 0x06, 0xb0, 0xcc, 0x53, 0xb0, 0xf6, 0x3b, 0xce, 0x3c, 0x3e, 0x27, 0xd2, 0x60, 0x4b, 0x03, 0x15, 0x00, 0xc4, 0x9d, 0x36, 0x08, 0x86, 0xe7, 0x04, 0x93, 0x6a, 0x66, 0x78, 0xe1, 0x13, 0x9d, 0x26, 0xb7, 0x81, 0x9f, 0x7e, 0x90, 0x04, 0x41, 0x04, 0x6b, 0x17, 0xd1, 0xf2, 0xe1, 0x2c, 0x42, 0x47, 0xf8, 0xbc, 0xe6, 0xe5, 0x63, 0xa4, 0x40, 0xf2, 0x77, 0x03, 0x7d, 0x81, 0x2d, 0xeb, 0x33, 0xa0, 0xf4, 0xa1, 0x39, 0x45, 0xd8, 0x98, 0xc2, 0x96, 0x4f, 0xe3, 0x42, 0xe2, 0xfe, 0x1a, 0x7f, 0x9b, 0x8e, 0xe7, 0xeb, 0x4a, 0x7c, 0x0f, 0x9e, 0x16, 0x2b, 0xce, 0x33, 0x57, 0x6b, 0x31, 0x5e, 0xce, 0xcb, 0xb6, 0x40, 0x68, 0x37, 0xbf, 0x51, 0xf5, 0x02, 0x21, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xbc, 0xe6, 0xfa, 0xad, 0xa7, 0x17, 0x9e, 0x84, 0xf3, 0xb9, 0xca, 0xc2, 0xfc, 0x63, 0x25, 0x51, 0x02, 0x01, 0x01, }; static void hexdump(const unsigned char *buf, size_t len) { size_t i; for (i = 1; i <= len; i++) fprintf(stderr, " 0x%02hhx,%s", buf[i - 1], i % 8 ? "" : "\n"); fprintf(stderr, "\n"); } static int compare_data(const char *label, const unsigned char *d1, size_t d1_len, const unsigned char *d2, size_t d2_len) { if (d1_len != d2_len) { fprintf(stderr, "FAIL: got %s with length %zu, want %zu\n", label, d1_len, d2_len); return -1; } if (memcmp(d1, d2, d1_len) != 0) { fprintf(stderr, "FAIL: %sdiffer\n", label); fprintf(stderr, "got:\n"); hexdump(d1, d1_len); fprintf(stderr, "want:\n"); hexdump(d2, d2_len); return -1; } return 0; } static int ec_group_pkparameters_test(const char *label, int asn1_flag, const uint8_t *test_data, size_t test_data_len) { EC_GROUP *group_a = NULL, *group_b = NULL; unsigned char *out = NULL, *data = NULL; const unsigned char *p; BIO *bio_mem = NULL; int failure = 1; int len; /* * Test i2d_ECPKParameters/d2i_ECPKParameters. */ if ((group_a = EC_GROUP_new_by_curve_name(NID_X9_62_prime256v1)) == NULL) errx(1, "failed to create EC_GROUP"); EC_GROUP_set_asn1_flag(group_a, asn1_flag); if ((len = i2d_ECPKParameters(group_a, &out)) < 0) { fprintf(stderr, "FAIL: i2d_ECPKParameters failed\n"); goto done; } if (compare_data(label, out, len, test_data, test_data_len) == -1) goto done; p = out; if ((group_b = d2i_ECPKParameters(NULL, &p, len)) == NULL) { fprintf(stderr, "FAIL: d2i_ECPKParameters failed\n"); goto done; } if (EC_GROUP_cmp(group_a, group_b, NULL) != 0) { fprintf(stderr, "FAIL: EC_GROUPs do not match!\n"); goto done; } p = out; if ((group_a = d2i_ECPKParameters(&group_a, &p, len)) == NULL) { fprintf(stderr, "FAIL: d2i_ECPKParameters failed\n"); goto done; } if (EC_GROUP_cmp(group_a, group_b, NULL) != 0) { fprintf(stderr, "FAIL: EC_GROUPs do not match!\n"); goto done; } /* * Test i2d_ECPKParameters_bio/d2i_ECPKParameters_bio. */ if ((bio_mem = BIO_new(BIO_s_mem())) == NULL) errx(1, "BIO_new failed for BIO_s_mem"); if ((len = i2d_ECPKParameters_bio(bio_mem, group_a)) < 0) { fprintf(stderr, "FAIL: i2d_ECPKParameters_bio failed\n"); goto done; } len = BIO_get_mem_data(bio_mem, &data); if (compare_data(label, out, len, test_data, test_data_len) == -1) goto done; EC_GROUP_free(group_b); if ((group_b = d2i_ECPKParameters_bio(bio_mem, NULL)) == NULL) { fprintf(stderr, "FAIL: d2i_ECPKParameters_bio failed\n"); goto done; } if (EC_GROUP_cmp(group_a, group_b, NULL) != 0) { fprintf(stderr, "FAIL: EC_GROUPs do not match!\n"); goto done; } failure = 0; done: BIO_free_all(bio_mem); EC_GROUP_free(group_a); EC_GROUP_free(group_b); free(out); return (failure); } static int ec_group_pkparameters_named_curve_test(void) { return ec_group_pkparameters_test("ECPKPARAMETERS named curve", OPENSSL_EC_NAMED_CURVE, ec_secp256r1_pkparameters_named_curve, sizeof(ec_secp256r1_pkparameters_named_curve)); } static int ec_group_pkparameters_parameters_test(void) { return ec_group_pkparameters_test("ECPKPARAMETERS parameters", OPENSSL_EC_EXPLICIT_CURVE, ec_secp256r1_pkparameters_parameters, sizeof(ec_secp256r1_pkparameters_parameters)); } int main(int argc, char **argv) { int failed = 0; failed |= ec_group_pkparameters_named_curve_test(); failed |= ec_group_pkparameters_parameters_test(); return (failed); }