diff options
Diffstat (limited to 'crypto/secp256k1/libsecp256k1/src/modules/ecdh/tests_impl.h')
-rw-r--r-- | crypto/secp256k1/libsecp256k1/src/modules/ecdh/tests_impl.h | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/crypto/secp256k1/libsecp256k1/src/modules/ecdh/tests_impl.h b/crypto/secp256k1/libsecp256k1/src/modules/ecdh/tests_impl.h deleted file mode 100644 index 85a5d0a9a..000000000 --- a/crypto/secp256k1/libsecp256k1/src/modules/ecdh/tests_impl.h +++ /dev/null @@ -1,105 +0,0 @@ -/********************************************************************** - * Copyright (c) 2015 Andrew Poelstra * - * Distributed under the MIT software license, see the accompanying * - * file COPYING or http://www.opensource.org/licenses/mit-license.php.* - **********************************************************************/ - -#ifndef _SECP256K1_MODULE_ECDH_TESTS_ -#define _SECP256K1_MODULE_ECDH_TESTS_ - -void test_ecdh_api(void) { - /* Setup context that just counts errors */ - secp256k1_context *tctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN); - secp256k1_pubkey point; - unsigned char res[32]; - unsigned char s_one[32] = { 0 }; - int32_t ecount = 0; - s_one[31] = 1; - - secp256k1_context_set_error_callback(tctx, counting_illegal_callback_fn, &ecount); - secp256k1_context_set_illegal_callback(tctx, counting_illegal_callback_fn, &ecount); - CHECK(secp256k1_ec_pubkey_create(tctx, &point, s_one) == 1); - - /* Check all NULLs are detected */ - CHECK(secp256k1_ecdh(tctx, res, &point, s_one) == 1); - CHECK(ecount == 0); - CHECK(secp256k1_ecdh(tctx, NULL, &point, s_one) == 0); - CHECK(ecount == 1); - CHECK(secp256k1_ecdh(tctx, res, NULL, s_one) == 0); - CHECK(ecount == 2); - CHECK(secp256k1_ecdh(tctx, res, &point, NULL) == 0); - CHECK(ecount == 3); - CHECK(secp256k1_ecdh(tctx, res, &point, s_one) == 1); - CHECK(ecount == 3); - - /* Cleanup */ - secp256k1_context_destroy(tctx); -} - -void test_ecdh_generator_basepoint(void) { - unsigned char s_one[32] = { 0 }; - secp256k1_pubkey point[2]; - int i; - - s_one[31] = 1; - /* Check against pubkey creation when the basepoint is the generator */ - for (i = 0; i < 100; ++i) { - secp256k1_sha256_t sha; - unsigned char s_b32[32]; - unsigned char output_ecdh[32]; - unsigned char output_ser[32]; - unsigned char point_ser[33]; - size_t point_ser_len = sizeof(point_ser); - secp256k1_scalar s; - - random_scalar_order(&s); - secp256k1_scalar_get_b32(s_b32, &s); - - /* compute using ECDH function */ - CHECK(secp256k1_ec_pubkey_create(ctx, &point[0], s_one) == 1); - CHECK(secp256k1_ecdh(ctx, output_ecdh, &point[0], s_b32) == 1); - /* compute "explicitly" */ - CHECK(secp256k1_ec_pubkey_create(ctx, &point[1], s_b32) == 1); - CHECK(secp256k1_ec_pubkey_serialize(ctx, point_ser, &point_ser_len, &point[1], SECP256K1_EC_COMPRESSED) == 1); - CHECK(point_ser_len == sizeof(point_ser)); - secp256k1_sha256_initialize(&sha); - secp256k1_sha256_write(&sha, point_ser, point_ser_len); - secp256k1_sha256_finalize(&sha, output_ser); - /* compare */ - CHECK(memcmp(output_ecdh, output_ser, sizeof(output_ser)) == 0); - } -} - -void test_bad_scalar(void) { - unsigned char s_zero[32] = { 0 }; - unsigned char s_overflow[32] = { - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, - 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, - 0xba, 0xae, 0xdc, 0xe6, 0xaf, 0x48, 0xa0, 0x3b, - 0xbf, 0xd2, 0x5e, 0x8c, 0xd0, 0x36, 0x41, 0x41 - }; - unsigned char s_rand[32] = { 0 }; - unsigned char output[32]; - secp256k1_scalar rand; - secp256k1_pubkey point; - - /* Create random point */ - random_scalar_order(&rand); - secp256k1_scalar_get_b32(s_rand, &rand); - CHECK(secp256k1_ec_pubkey_create(ctx, &point, s_rand) == 1); - - /* Try to multiply it by bad values */ - CHECK(secp256k1_ecdh(ctx, output, &point, s_zero) == 0); - CHECK(secp256k1_ecdh(ctx, output, &point, s_overflow) == 0); - /* ...and a good one */ - s_overflow[31] -= 1; - CHECK(secp256k1_ecdh(ctx, output, &point, s_overflow) == 1); -} - -void run_ecdh_tests(void) { - test_ecdh_api(); - test_ecdh_generator_basepoint(); - test_bad_scalar(); -} - -#endif |