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author | Adam Langley <agl@google.com> | 2015-01-22 14:27:53 -0800 |
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committer | Adam Langley <agl@google.com> | 2015-01-30 16:52:14 -0800 |
commit | d9e397b599b13d642138480a28c14db7a136bf05 (patch) | |
tree | 34bab61dc4ce323b123ad4614dbc07e86ea2f9ef /src/crypto/ec/ec_test.c | |
download | external_boringssl-d9e397b599b13d642138480a28c14db7a136bf05.zip external_boringssl-d9e397b599b13d642138480a28c14db7a136bf05.tar.gz external_boringssl-d9e397b599b13d642138480a28c14db7a136bf05.tar.bz2 |
Initial commit of BoringSSL for Android.
Diffstat (limited to 'src/crypto/ec/ec_test.c')
-rw-r--r-- | src/crypto/ec/ec_test.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/crypto/ec/ec_test.c b/src/crypto/ec/ec_test.c new file mode 100644 index 0000000..8d53f87 --- /dev/null +++ b/src/crypto/ec/ec_test.c @@ -0,0 +1,124 @@ +/* Copyright (c) 2014, Google Inc. + * + * Permission to use, copy, modify, and/or 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 <stdio.h> +#include <string.h> + +#include <openssl/bio.h> +#include <openssl/crypto.h> +#include <openssl/ec_key.h> +#include <openssl/err.h> + +#include "internal.h" + + +static const uint8_t kECKeyWithoutPublic[] = { + 0x30, 0x31, 0x02, 0x01, 0x01, 0x04, 0x20, 0xc6, 0xc1, 0xaa, 0xda, 0x15, 0xb0, + 0x76, 0x61, 0xf8, 0x14, 0x2c, 0x6c, 0xaf, 0x0f, 0xdb, 0x24, 0x1a, 0xff, 0x2e, + 0xfe, 0x46, 0xc0, 0x93, 0x8b, 0x74, 0xf2, 0xbc, 0xc5, 0x30, 0x52, 0xb0, 0x77, + 0xa0, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, +}; + +int test_d2i_ECPrivateKey(void) { + int len, ret = 0; + uint8_t *out = NULL, *outp; + const uint8_t *inp; + EC_KEY *key = NULL; + BIGNUM *x = NULL, *y = NULL; + const EC_POINT *public; + char *x_hex = NULL, *y_hex = NULL; + + inp = kECKeyWithoutPublic; + key = d2i_ECPrivateKey(NULL, &inp, sizeof(kECKeyWithoutPublic)); + + if (key == NULL || inp != kECKeyWithoutPublic + sizeof(kECKeyWithoutPublic)) { + fprintf(stderr, "Failed to parse private key.\n"); + BIO_print_errors_fp(stderr); + goto out; + } + + len = i2d_ECPrivateKey(key, NULL); + out = malloc(len); + outp = out; + if (len != i2d_ECPrivateKey(key, &outp)) { + fprintf(stderr, "Failed to serialize private key.\n"); + BIO_print_errors_fp(stderr); + goto out; + } + + if (0 != memcmp(out, kECKeyWithoutPublic, len)) { + fprintf(stderr, "Serialisation of key doesn't match original.\n"); + goto out; + } + + public = EC_KEY_get0_public_key(key); + if (public == NULL) { + fprintf(stderr, "Public key missing.\n"); + goto out; + } + + x = BN_new(); + y = BN_new(); + if (x == NULL || y == NULL) { + goto out; + } + if (!EC_POINT_get_affine_coordinates_GFp(EC_KEY_get0_group(key), public, x, y, + NULL)) { + fprintf(stderr, "Failed to get public key in affine coordinates.\n"); + goto out; + } + x_hex = BN_bn2hex(x); + y_hex = BN_bn2hex(y); + if (0 != strcmp(x_hex, "c81561ecf2e54edefe6617db1c7a34a70744ddb261f269b83dacfcd2ade5a681") || + 0 != strcmp(y_hex, "e0e2afa3f9b6abe4c698ef6495f1be49a3196c5056acb3763fe4507eec596e88")) { + fprintf(stderr, "Incorrect public key: %s %s\n", x_hex, y_hex); + goto out; + } + + ret = 1; + +out: + if (key != NULL) { + EC_KEY_free(key); + } + if (out != NULL) { + free(out); + } + if (x != NULL) { + BN_free(x); + } + if (y != NULL) { + BN_free(y); + } + if (x_hex != NULL) { + OPENSSL_free(x_hex); + } + if (y_hex != NULL) { + OPENSSL_free(y_hex); + } + return ret; +} + +int main(void) { + CRYPTO_library_init(); + ERR_load_crypto_strings(); + + if (!test_d2i_ECPrivateKey()) { + fprintf(stderr, "failed\n"); + return 1; + } + + printf("PASS\n"); + return 0; +} |