diff --git a/src/secp256k1/src/modules/schnorrsig/tests_impl.h b/src/secp256k1/src/modules/schnorrsig/tests_impl.h index 7a8ea9bbb..88d8f5640 100644 --- a/src/secp256k1/src/modules/schnorrsig/tests_impl.h +++ b/src/secp256k1/src/modules/schnorrsig/tests_impl.h @@ -1,769 +1,806 @@ /********************************************************************** * Copyright (c) 2018-2020 Andrew Poelstra, Jonas Nick * * Distributed under the MIT software license, see the accompanying * * file COPYING or http://www.opensource.org/licenses/mit-license.php.* **********************************************************************/ #ifndef _SECP256K1_MODULE_SCHNORRSIG_TESTS_ #define _SECP256K1_MODULE_SCHNORRSIG_TESTS_ #include "secp256k1_schnorrsig.h" /* Checks that a bit flip in the n_flip-th argument (that has n_bytes many * bytes) changes the hash function */ void nonce_function_bip340_bitflip(unsigned char **args, size_t n_flip, size_t n_bytes) { unsigned char nonces[2][32]; CHECK(nonce_function_bip340(nonces[0], args[0], args[1], args[2], args[3], args[4]) == 1); secp256k1_rand_flip(args[n_flip], n_bytes); CHECK(nonce_function_bip340(nonces[1], args[0], args[1], args[2], args[3], args[4]) == 1); CHECK(memcmp(nonces[0], nonces[1], 32) != 0); } /* Tests for the equality of two sha256 structs. This function only produces a * correct result if an integer multiple of 64 many bytes have been written * into the hash functions. */ void test_sha256_eq(const secp256k1_sha256 *sha1, const secp256k1_sha256 *sha2) { /* Is buffer fully consumed? */ CHECK((sha1->bytes & 0x3F) == 0); CHECK(sha1->bytes == sha2->bytes); CHECK(memcmp(sha1->s, sha2->s, sizeof(sha1->s)) == 0); } void run_nonce_function_bip340_tests(void) { unsigned char tag[13] = "BIP0340/nonce"; unsigned char aux_tag[11] = "BIP0340/aux"; unsigned char algo16[16] = "BIP0340/nonce\0\0\0"; secp256k1_sha256 sha; secp256k1_sha256 sha_optimized; unsigned char nonce[32]; unsigned char msg[32]; unsigned char key[32]; unsigned char pk[32]; unsigned char aux_rand[32]; unsigned char *args[5]; int i; /* Check that hash initialized by * secp256k1_nonce_function_bip340_sha256_tagged has the expected * state. */ secp256k1_sha256_initialize_tagged(&sha, tag, sizeof(tag)); secp256k1_nonce_function_bip340_sha256_tagged(&sha_optimized); test_sha256_eq(&sha, &sha_optimized); /* Check that hash initialized by * secp256k1_nonce_function_bip340_sha256_tagged_aux has the expected * state. */ secp256k1_sha256_initialize_tagged(&sha, aux_tag, sizeof(aux_tag)); secp256k1_nonce_function_bip340_sha256_tagged_aux(&sha_optimized); test_sha256_eq(&sha, &sha_optimized); secp256k1_rand256(msg); secp256k1_rand256(key); secp256k1_rand256(pk); secp256k1_rand256(aux_rand); /* Check that a bitflip in an argument results in different nonces. */ args[0] = msg; args[1] = key; args[2] = pk; args[3] = algo16; args[4] = aux_rand; for (i = 0; i < count; i++) { nonce_function_bip340_bitflip(args, 0, 32); nonce_function_bip340_bitflip(args, 1, 32); nonce_function_bip340_bitflip(args, 2, 32); /* Flip algo16 special case "BIP0340/nonce" */ nonce_function_bip340_bitflip(args, 3, 16); /* Flip algo16 again */ nonce_function_bip340_bitflip(args, 3, 16); nonce_function_bip340_bitflip(args, 4, 32); } /* NULL algo16 is disallowed */ CHECK(nonce_function_bip340(nonce, msg, key, pk, NULL, NULL) == 0); /* Empty algo16 is fine */ memset(algo16, 0x00, 16); CHECK(nonce_function_bip340(nonce, msg, key, pk, algo16, NULL) == 1); /* algo16 with terminating null bytes is fine */ algo16[1] = 65; CHECK(nonce_function_bip340(nonce, msg, key, pk, algo16, NULL) == 1); /* Other algo16 is fine */ memset(algo16, 0xFF, 16); CHECK(nonce_function_bip340(nonce, msg, key, pk, algo16, NULL) == 1); /* NULL aux_rand argument is allowed. */ CHECK(nonce_function_bip340(nonce, msg, key, pk, algo16, NULL) == 1); } void test_schnorrsig_api(void) { unsigned char sk1[32]; unsigned char sk2[32]; unsigned char sk3[32]; unsigned char msg[32]; secp256k1_keypair keypairs[3]; secp256k1_keypair invalid_keypair = { 0 }; secp256k1_xonly_pubkey pk[3]; secp256k1_xonly_pubkey zero_pk; unsigned char sig[64]; /** setup **/ secp256k1_context *none = secp256k1_context_create(SECP256K1_CONTEXT_NONE); secp256k1_context *sign = secp256k1_context_create(SECP256K1_CONTEXT_SIGN); secp256k1_context *vrfy = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY); secp256k1_context *both = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY); int ecount; secp256k1_context_set_error_callback(none, counting_illegal_callback_fn, &ecount); secp256k1_context_set_error_callback(sign, counting_illegal_callback_fn, &ecount); secp256k1_context_set_error_callback(vrfy, counting_illegal_callback_fn, &ecount); secp256k1_context_set_error_callback(both, counting_illegal_callback_fn, &ecount); secp256k1_context_set_illegal_callback(none, counting_illegal_callback_fn, &ecount); secp256k1_context_set_illegal_callback(sign, counting_illegal_callback_fn, &ecount); secp256k1_context_set_illegal_callback(vrfy, counting_illegal_callback_fn, &ecount); secp256k1_context_set_illegal_callback(both, counting_illegal_callback_fn, &ecount); secp256k1_rand256(sk1); secp256k1_rand256(sk2); secp256k1_rand256(sk3); secp256k1_rand256(msg); CHECK(secp256k1_keypair_create(ctx, &keypairs[0], sk1) == 1); CHECK(secp256k1_keypair_create(ctx, &keypairs[1], sk2) == 1); CHECK(secp256k1_keypair_create(ctx, &keypairs[2], sk3) == 1); CHECK(secp256k1_keypair_xonly_pub(ctx, &pk[0], NULL, &keypairs[0]) == 1); CHECK(secp256k1_keypair_xonly_pub(ctx, &pk[1], NULL, &keypairs[1]) == 1); CHECK(secp256k1_keypair_xonly_pub(ctx, &pk[2], NULL, &keypairs[2]) == 1); memset(&zero_pk, 0, sizeof(zero_pk)); /** main test body **/ ecount = 0; CHECK(secp256k1_schnorrsig_sign(none, sig, msg, &keypairs[0], NULL, NULL) == 0); CHECK(ecount == 1); CHECK(secp256k1_schnorrsig_sign(vrfy, sig, msg, &keypairs[0], NULL, NULL) == 0); CHECK(ecount == 2); CHECK(secp256k1_schnorrsig_sign(sign, sig, msg, &keypairs[0], NULL, NULL) == 1); CHECK(ecount == 2); CHECK(secp256k1_schnorrsig_sign(sign, NULL, msg, &keypairs[0], NULL, NULL) == 0); CHECK(ecount == 3); CHECK(secp256k1_schnorrsig_sign(sign, sig, NULL, &keypairs[0], NULL, NULL) == 0); CHECK(ecount == 4); CHECK(secp256k1_schnorrsig_sign(sign, sig, msg, NULL, NULL, NULL) == 0); CHECK(ecount == 5); CHECK(secp256k1_schnorrsig_sign(sign, sig, msg, &invalid_keypair, NULL, NULL) == 0); CHECK(ecount == 6); ecount = 0; CHECK(secp256k1_schnorrsig_sign(sign, sig, msg, &keypairs[0], NULL, NULL) == 1); CHECK(secp256k1_schnorrsig_verify(none, sig, msg, &pk[0]) == 0); CHECK(ecount == 1); CHECK(secp256k1_schnorrsig_verify(sign, sig, msg, &pk[0]) == 0); CHECK(ecount == 2); CHECK(secp256k1_schnorrsig_verify(vrfy, sig, msg, &pk[0]) == 1); CHECK(ecount == 2); CHECK(secp256k1_schnorrsig_verify(vrfy, NULL, msg, &pk[0]) == 0); CHECK(ecount == 3); CHECK(secp256k1_schnorrsig_verify(vrfy, sig, NULL, &pk[0]) == 0); CHECK(ecount == 4); CHECK(secp256k1_schnorrsig_verify(vrfy, sig, msg, NULL) == 0); CHECK(ecount == 5); CHECK(secp256k1_schnorrsig_verify(vrfy, sig, msg, &zero_pk) == 0); CHECK(ecount == 6); secp256k1_context_destroy(none); secp256k1_context_destroy(sign); secp256k1_context_destroy(vrfy); secp256k1_context_destroy(both); } /* Checks that hash initialized by secp256k1_schnorrsig_sha256_tagged has the * expected state. */ void test_schnorrsig_sha256_tagged(void) { char tag[17] = "BIP0340/challenge"; secp256k1_sha256 sha; secp256k1_sha256 sha_optimized; secp256k1_sha256_initialize_tagged(&sha, (unsigned char *) tag, sizeof(tag)); secp256k1_schnorrsig_sha256_tagged(&sha_optimized); test_sha256_eq(&sha, &sha_optimized); } /* Helper function for schnorrsig_bip_vectors * Signs the message and checks that it's the same as expected_sig. */ void test_schnorrsig_bip_vectors_check_signing(const unsigned char *sk, const unsigned char *pk_serialized, unsigned char *aux_rand, const unsigned char *msg, const unsigned char *expected_sig) { unsigned char sig[64]; secp256k1_keypair keypair; secp256k1_xonly_pubkey pk, pk_expected; CHECK(secp256k1_keypair_create(ctx, &keypair, sk)); CHECK(secp256k1_schnorrsig_sign(ctx, sig, msg, &keypair, NULL, aux_rand)); CHECK(memcmp(sig, expected_sig, 64) == 0); CHECK(secp256k1_xonly_pubkey_parse(ctx, &pk_expected, pk_serialized)); CHECK(secp256k1_keypair_xonly_pub(ctx, &pk, NULL, &keypair)); CHECK(memcmp(&pk, &pk_expected, sizeof(pk)) == 0); CHECK(secp256k1_schnorrsig_verify(ctx, sig, msg, &pk)); } /* Helper function for schnorrsig_bip_vectors * Checks that both verify and verify_batch (TODO) return the same value as expected. */ void test_schnorrsig_bip_vectors_check_verify(const unsigned char *pk_serialized, const unsigned char *msg32, const unsigned char *sig, int expected) { secp256k1_xonly_pubkey pk; CHECK(secp256k1_xonly_pubkey_parse(ctx, &pk, pk_serialized)); CHECK(expected == secp256k1_schnorrsig_verify(ctx, sig, msg32, &pk)); } /* Test vectors according to BIP-340 ("Schnorr Signatures for secp256k1"). See * https://github.com/bitcoin/bips/blob/master/bip-0340/test-vectors.csv. */ void test_schnorrsig_bip_vectors(void) { { /* Test vector 0 */ const unsigned char sk[32] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03 }; const unsigned char pk[32] = { 0xF9, 0x30, 0x8A, 0x01, 0x92, 0x58, 0xC3, 0x10, 0x49, 0x34, 0x4F, 0x85, 0xF8, 0x9D, 0x52, 0x29, 0xB5, 0x31, 0xC8, 0x45, 0x83, 0x6F, 0x99, 0xB0, 0x86, 0x01, 0xF1, 0x13, 0xBC, 0xE0, 0x36, 0xF9 }; unsigned char aux_rand[32] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; const unsigned char msg[32] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; const unsigned char sig[64] = { 0xE9, 0x07, 0x83, 0x1F, 0x80, 0x84, 0x8D, 0x10, 0x69, 0xA5, 0x37, 0x1B, 0x40, 0x24, 0x10, 0x36, 0x4B, 0xDF, 0x1C, 0x5F, 0x83, 0x07, 0xB0, 0x08, 0x4C, 0x55, 0xF1, 0xCE, 0x2D, 0xCA, 0x82, 0x15, 0x25, 0xF6, 0x6A, 0x4A, 0x85, 0xEA, 0x8B, 0x71, 0xE4, 0x82, 0xA7, 0x4F, 0x38, 0x2D, 0x2C, 0xE5, 0xEB, 0xEE, 0xE8, 0xFD, 0xB2, 0x17, 0x2F, 0x47, 0x7D, 0xF4, 0x90, 0x0D, 0x31, 0x05, 0x36, 0xC0 }; test_schnorrsig_bip_vectors_check_signing(sk, pk, aux_rand, msg, sig); test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 1); } { /* Test vector 1 */ const unsigned char sk[32] = { 0xB7, 0xE1, 0x51, 0x62, 0x8A, 0xED, 0x2A, 0x6A, 0xBF, 0x71, 0x58, 0x80, 0x9C, 0xF4, 0xF3, 0xC7, 0x62, 0xE7, 0x16, 0x0F, 0x38, 0xB4, 0xDA, 0x56, 0xA7, 0x84, 0xD9, 0x04, 0x51, 0x90, 0xCF, 0xEF }; const unsigned char pk[32] = { 0xDF, 0xF1, 0xD7, 0x7F, 0x2A, 0x67, 0x1C, 0x5F, 0x36, 0x18, 0x37, 0x26, 0xDB, 0x23, 0x41, 0xBE, 0x58, 0xFE, 0xAE, 0x1D, 0xA2, 0xDE, 0xCE, 0xD8, 0x43, 0x24, 0x0F, 0x7B, 0x50, 0x2B, 0xA6, 0x59 }; unsigned char aux_rand[32] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }; const unsigned char msg[32] = { 0x24, 0x3F, 0x6A, 0x88, 0x85, 0xA3, 0x08, 0xD3, 0x13, 0x19, 0x8A, 0x2E, 0x03, 0x70, 0x73, 0x44, 0xA4, 0x09, 0x38, 0x22, 0x29, 0x9F, 0x31, 0xD0, 0x08, 0x2E, 0xFA, 0x98, 0xEC, 0x4E, 0x6C, 0x89 }; const unsigned char sig[64] = { 0x68, 0x96, 0xBD, 0x60, 0xEE, 0xAE, 0x29, 0x6D, 0xB4, 0x8A, 0x22, 0x9F, 0xF7, 0x1D, 0xFE, 0x07, 0x1B, 0xDE, 0x41, 0x3E, 0x6D, 0x43, 0xF9, 0x17, 0xDC, 0x8D, 0xCF, 0x8C, 0x78, 0xDE, 0x33, 0x41, 0x89, 0x06, 0xD1, 0x1A, 0xC9, 0x76, 0xAB, 0xCC, 0xB2, 0x0B, 0x09, 0x12, 0x92, 0xBF, 0xF4, 0xEA, 0x89, 0x7E, 0xFC, 0xB6, 0x39, 0xEA, 0x87, 0x1C, 0xFA, 0x95, 0xF6, 0xDE, 0x33, 0x9E, 0x4B, 0x0A }; test_schnorrsig_bip_vectors_check_signing(sk, pk, aux_rand, msg, sig); test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 1); } { /* Test vector 2 */ const unsigned char sk[32] = { 0xC9, 0x0F, 0xDA, 0xA2, 0x21, 0x68, 0xC2, 0x34, 0xC4, 0xC6, 0x62, 0x8B, 0x80, 0xDC, 0x1C, 0xD1, 0x29, 0x02, 0x4E, 0x08, 0x8A, 0x67, 0xCC, 0x74, 0x02, 0x0B, 0xBE, 0xA6, 0x3B, 0x14, 0xE5, 0xC9 }; const unsigned char pk[32] = { 0xDD, 0x30, 0x8A, 0xFE, 0xC5, 0x77, 0x7E, 0x13, 0x12, 0x1F, 0xA7, 0x2B, 0x9C, 0xC1, 0xB7, 0xCC, 0x01, 0x39, 0x71, 0x53, 0x09, 0xB0, 0x86, 0xC9, 0x60, 0xE1, 0x8F, 0xD9, 0x69, 0x77, 0x4E, 0xB8 }; unsigned char aux_rand[32] = { 0xC8, 0x7A, 0xA5, 0x38, 0x24, 0xB4, 0xD7, 0xAE, 0x2E, 0xB0, 0x35, 0xA2, 0xB5, 0xBB, 0xBC, 0xCC, 0x08, 0x0E, 0x76, 0xCD, 0xC6, 0xD1, 0x69, 0x2C, 0x4B, 0x0B, 0x62, 0xD7, 0x98, 0xE6, 0xD9, 0x06 }; const unsigned char msg[32] = { 0x7E, 0x2D, 0x58, 0xD8, 0xB3, 0xBC, 0xDF, 0x1A, 0xBA, 0xDE, 0xC7, 0x82, 0x90, 0x54, 0xF9, 0x0D, 0xDA, 0x98, 0x05, 0xAA, 0xB5, 0x6C, 0x77, 0x33, 0x30, 0x24, 0xB9, 0xD0, 0xA5, 0x08, 0xB7, 0x5C }; const unsigned char sig[64] = { 0x58, 0x31, 0xAA, 0xEE, 0xD7, 0xB4, 0x4B, 0xB7, 0x4E, 0x5E, 0xAB, 0x94, 0xBA, 0x9D, 0x42, 0x94, 0xC4, 0x9B, 0xCF, 0x2A, 0x60, 0x72, 0x8D, 0x8B, 0x4C, 0x20, 0x0F, 0x50, 0xDD, 0x31, 0x3C, 0x1B, 0xAB, 0x74, 0x58, 0x79, 0xA5, 0xAD, 0x95, 0x4A, 0x72, 0xC4, 0x5A, 0x91, 0xC3, 0xA5, 0x1D, 0x3C, 0x7A, 0xDE, 0xA9, 0x8D, 0x82, 0xF8, 0x48, 0x1E, 0x0E, 0x1E, 0x03, 0x67, 0x4A, 0x6F, 0x3F, 0xB7 }; test_schnorrsig_bip_vectors_check_signing(sk, pk, aux_rand, msg, sig); test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 1); } { /* Test vector 3 */ const unsigned char sk[32] = { 0x0B, 0x43, 0x2B, 0x26, 0x77, 0x93, 0x73, 0x81, 0xAE, 0xF0, 0x5B, 0xB0, 0x2A, 0x66, 0xEC, 0xD0, 0x12, 0x77, 0x30, 0x62, 0xCF, 0x3F, 0xA2, 0x54, 0x9E, 0x44, 0xF5, 0x8E, 0xD2, 0x40, 0x17, 0x10 }; const unsigned char pk[32] = { 0x25, 0xD1, 0xDF, 0xF9, 0x51, 0x05, 0xF5, 0x25, 0x3C, 0x40, 0x22, 0xF6, 0x28, 0xA9, 0x96, 0xAD, 0x3A, 0x0D, 0x95, 0xFB, 0xF2, 0x1D, 0x46, 0x8A, 0x1B, 0x33, 0xF8, 0xC1, 0x60, 0xD8, 0xF5, 0x17 }; unsigned char aux_rand[32] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; const unsigned char msg[32] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }; const unsigned char sig[64] = { 0x7E, 0xB0, 0x50, 0x97, 0x57, 0xE2, 0x46, 0xF1, 0x94, 0x49, 0x88, 0x56, 0x51, 0x61, 0x1C, 0xB9, 0x65, 0xEC, 0xC1, 0xA1, 0x87, 0xDD, 0x51, 0xB6, 0x4F, 0xDA, 0x1E, 0xDC, 0x96, 0x37, 0xD5, 0xEC, 0x97, 0x58, 0x2B, 0x9C, 0xB1, 0x3D, 0xB3, 0x93, 0x37, 0x05, 0xB3, 0x2B, 0xA9, 0x82, 0xAF, 0x5A, 0xF2, 0x5F, 0xD7, 0x88, 0x81, 0xEB, 0xB3, 0x27, 0x71, 0xFC, 0x59, 0x22, 0xEF, 0xC6, 0x6E, 0xA3 }; test_schnorrsig_bip_vectors_check_signing(sk, pk, aux_rand, msg, sig); test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 1); } { /* Test vector 4 */ const unsigned char pk[32] = { 0xD6, 0x9C, 0x35, 0x09, 0xBB, 0x99, 0xE4, 0x12, 0xE6, 0x8B, 0x0F, 0xE8, 0x54, 0x4E, 0x72, 0x83, 0x7D, 0xFA, 0x30, 0x74, 0x6D, 0x8B, 0xE2, 0xAA, 0x65, 0x97, 0x5F, 0x29, 0xD2, 0x2D, 0xC7, 0xB9 }; const unsigned char msg[32] = { 0x4D, 0xF3, 0xC3, 0xF6, 0x8F, 0xCC, 0x83, 0xB2, 0x7E, 0x9D, 0x42, 0xC9, 0x04, 0x31, 0xA7, 0x24, 0x99, 0xF1, 0x78, 0x75, 0xC8, 0x1A, 0x59, 0x9B, 0x56, 0x6C, 0x98, 0x89, 0xB9, 0x69, 0x67, 0x03 }; const unsigned char sig[64] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3B, 0x78, 0xCE, 0x56, 0x3F, 0x89, 0xA0, 0xED, 0x94, 0x14, 0xF5, 0xAA, 0x28, 0xAD, 0x0D, 0x96, 0xD6, 0x79, 0x5F, 0x9C, 0x63, 0x76, 0xAF, 0xB1, 0x54, 0x8A, 0xF6, 0x03, 0xB3, 0xEB, 0x45, 0xC9, 0xF8, 0x20, 0x7D, 0xEE, 0x10, 0x60, 0xCB, 0x71, 0xC0, 0x4E, 0x80, 0xF5, 0x93, 0x06, 0x0B, 0x07, 0xD2, 0x83, 0x08, 0xD7, 0xF4 }; test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 1); } { /* Test vector 5 */ const unsigned char pk[32] = { 0xEE, 0xFD, 0xEA, 0x4C, 0xDB, 0x67, 0x77, 0x50, 0xA4, 0x20, 0xFE, 0xE8, 0x07, 0xEA, 0xCF, 0x21, 0xEB, 0x98, 0x98, 0xAE, 0x79, 0xB9, 0x76, 0x87, 0x66, 0xE4, 0xFA, 0xA0, 0x4A, 0x2D, 0x4A, 0x34 }; secp256k1_xonly_pubkey pk_parsed; /* No need to check the signature of the test vector as parsing the pubkey already fails */ CHECK(!secp256k1_xonly_pubkey_parse(ctx, &pk_parsed, pk)); } { /* Test vector 6 */ const unsigned char pk[32] = { 0xDF, 0xF1, 0xD7, 0x7F, 0x2A, 0x67, 0x1C, 0x5F, 0x36, 0x18, 0x37, 0x26, 0xDB, 0x23, 0x41, 0xBE, 0x58, 0xFE, 0xAE, 0x1D, 0xA2, 0xDE, 0xCE, 0xD8, 0x43, 0x24, 0x0F, 0x7B, 0x50, 0x2B, 0xA6, 0x59 }; const unsigned char msg[32] = { 0x24, 0x3F, 0x6A, 0x88, 0x85, 0xA3, 0x08, 0xD3, 0x13, 0x19, 0x8A, 0x2E, 0x03, 0x70, 0x73, 0x44, 0xA4, 0x09, 0x38, 0x22, 0x29, 0x9F, 0x31, 0xD0, 0x08, 0x2E, 0xFA, 0x98, 0xEC, 0x4E, 0x6C, 0x89 }; const unsigned char sig[64] = { 0xFF, 0xF9, 0x7B, 0xD5, 0x75, 0x5E, 0xEE, 0xA4, 0x20, 0x45, 0x3A, 0x14, 0x35, 0x52, 0x35, 0xD3, 0x82, 0xF6, 0x47, 0x2F, 0x85, 0x68, 0xA1, 0x8B, 0x2F, 0x05, 0x7A, 0x14, 0x60, 0x29, 0x75, 0x56, 0x3C, 0xC2, 0x79, 0x44, 0x64, 0x0A, 0xC6, 0x07, 0xCD, 0x10, 0x7A, 0xE1, 0x09, 0x23, 0xD9, 0xEF, 0x7A, 0x73, 0xC6, 0x43, 0xE1, 0x66, 0xBE, 0x5E, 0xBE, 0xAF, 0xA3, 0x4B, 0x1A, 0xC5, 0x53, 0xE2 }; test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 0); } { /* Test vector 7 */ const unsigned char pk[32] = { 0xDF, 0xF1, 0xD7, 0x7F, 0x2A, 0x67, 0x1C, 0x5F, 0x36, 0x18, 0x37, 0x26, 0xDB, 0x23, 0x41, 0xBE, 0x58, 0xFE, 0xAE, 0x1D, 0xA2, 0xDE, 0xCE, 0xD8, 0x43, 0x24, 0x0F, 0x7B, 0x50, 0x2B, 0xA6, 0x59 }; const unsigned char msg[32] = { 0x24, 0x3F, 0x6A, 0x88, 0x85, 0xA3, 0x08, 0xD3, 0x13, 0x19, 0x8A, 0x2E, 0x03, 0x70, 0x73, 0x44, 0xA4, 0x09, 0x38, 0x22, 0x29, 0x9F, 0x31, 0xD0, 0x08, 0x2E, 0xFA, 0x98, 0xEC, 0x4E, 0x6C, 0x89 }; const unsigned char sig[64] = { 0x1F, 0xA6, 0x2E, 0x33, 0x1E, 0xDB, 0xC2, 0x1C, 0x39, 0x47, 0x92, 0xD2, 0xAB, 0x11, 0x00, 0xA7, 0xB4, 0x32, 0xB0, 0x13, 0xDF, 0x3F, 0x6F, 0xF4, 0xF9, 0x9F, 0xCB, 0x33, 0xE0, 0xE1, 0x51, 0x5F, 0x28, 0x89, 0x0B, 0x3E, 0xDB, 0x6E, 0x71, 0x89, 0xB6, 0x30, 0x44, 0x8B, 0x51, 0x5C, 0xE4, 0xF8, 0x62, 0x2A, 0x95, 0x4C, 0xFE, 0x54, 0x57, 0x35, 0xAA, 0xEA, 0x51, 0x34, 0xFC, 0xCD, 0xB2, 0xBD }; test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 0); } { /* Test vector 8 */ const unsigned char pk[32] = { 0xDF, 0xF1, 0xD7, 0x7F, 0x2A, 0x67, 0x1C, 0x5F, 0x36, 0x18, 0x37, 0x26, 0xDB, 0x23, 0x41, 0xBE, 0x58, 0xFE, 0xAE, 0x1D, 0xA2, 0xDE, 0xCE, 0xD8, 0x43, 0x24, 0x0F, 0x7B, 0x50, 0x2B, 0xA6, 0x59 }; const unsigned char msg[32] = { 0x24, 0x3F, 0x6A, 0x88, 0x85, 0xA3, 0x08, 0xD3, 0x13, 0x19, 0x8A, 0x2E, 0x03, 0x70, 0x73, 0x44, 0xA4, 0x09, 0x38, 0x22, 0x29, 0x9F, 0x31, 0xD0, 0x08, 0x2E, 0xFA, 0x98, 0xEC, 0x4E, 0x6C, 0x89 }; const unsigned char sig[64] = { 0x6C, 0xFF, 0x5C, 0x3B, 0xA8, 0x6C, 0x69, 0xEA, 0x4B, 0x73, 0x76, 0xF3, 0x1A, 0x9B, 0xCB, 0x4F, 0x74, 0xC1, 0x97, 0x60, 0x89, 0xB2, 0xD9, 0x96, 0x3D, 0xA2, 0xE5, 0x54, 0x3E, 0x17, 0x77, 0x69, 0x96, 0x17, 0x64, 0xB3, 0xAA, 0x9B, 0x2F, 0xFC, 0xB6, 0xEF, 0x94, 0x7B, 0x68, 0x87, 0xA2, 0x26, 0xE8, 0xD7, 0xC9, 0x3E, 0x00, 0xC5, 0xED, 0x0C, 0x18, 0x34, 0xFF, 0x0D, 0x0C, 0x2E, 0x6D, 0xA6 }; test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 0); } { /* Test vector 9 */ const unsigned char pk[32] = { 0xDF, 0xF1, 0xD7, 0x7F, 0x2A, 0x67, 0x1C, 0x5F, 0x36, 0x18, 0x37, 0x26, 0xDB, 0x23, 0x41, 0xBE, 0x58, 0xFE, 0xAE, 0x1D, 0xA2, 0xDE, 0xCE, 0xD8, 0x43, 0x24, 0x0F, 0x7B, 0x50, 0x2B, 0xA6, 0x59 }; const unsigned char msg[32] = { 0x24, 0x3F, 0x6A, 0x88, 0x85, 0xA3, 0x08, 0xD3, 0x13, 0x19, 0x8A, 0x2E, 0x03, 0x70, 0x73, 0x44, 0xA4, 0x09, 0x38, 0x22, 0x29, 0x9F, 0x31, 0xD0, 0x08, 0x2E, 0xFA, 0x98, 0xEC, 0x4E, 0x6C, 0x89 }; const unsigned char sig[64] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12, 0x3D, 0xDA, 0x83, 0x28, 0xAF, 0x9C, 0x23, 0xA9, 0x4C, 0x1F, 0xEE, 0xCF, 0xD1, 0x23, 0xBA, 0x4F, 0xB7, 0x34, 0x76, 0xF0, 0xD5, 0x94, 0xDC, 0xB6, 0x5C, 0x64, 0x25, 0xBD, 0x18, 0x60, 0x51 }; test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 0); } { /* Test vector 10 */ const unsigned char pk[32] = { 0xDF, 0xF1, 0xD7, 0x7F, 0x2A, 0x67, 0x1C, 0x5F, 0x36, 0x18, 0x37, 0x26, 0xDB, 0x23, 0x41, 0xBE, 0x58, 0xFE, 0xAE, 0x1D, 0xA2, 0xDE, 0xCE, 0xD8, 0x43, 0x24, 0x0F, 0x7B, 0x50, 0x2B, 0xA6, 0x59 }; const unsigned char msg[32] = { 0x24, 0x3F, 0x6A, 0x88, 0x85, 0xA3, 0x08, 0xD3, 0x13, 0x19, 0x8A, 0x2E, 0x03, 0x70, 0x73, 0x44, 0xA4, 0x09, 0x38, 0x22, 0x29, 0x9F, 0x31, 0xD0, 0x08, 0x2E, 0xFA, 0x98, 0xEC, 0x4E, 0x6C, 0x89 }; const unsigned char sig[64] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x76, 0x15, 0xFB, 0xAF, 0x5A, 0xE2, 0x88, 0x64, 0x01, 0x3C, 0x09, 0x97, 0x42, 0xDE, 0xAD, 0xB4, 0xDB, 0xA8, 0x7F, 0x11, 0xAC, 0x67, 0x54, 0xF9, 0x37, 0x80, 0xD5, 0xA1, 0x83, 0x7C, 0xF1, 0x97 }; test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 0); } { /* Test vector 11 */ const unsigned char pk[32] = { 0xDF, 0xF1, 0xD7, 0x7F, 0x2A, 0x67, 0x1C, 0x5F, 0x36, 0x18, 0x37, 0x26, 0xDB, 0x23, 0x41, 0xBE, 0x58, 0xFE, 0xAE, 0x1D, 0xA2, 0xDE, 0xCE, 0xD8, 0x43, 0x24, 0x0F, 0x7B, 0x50, 0x2B, 0xA6, 0x59 }; const unsigned char msg[32] = { 0x24, 0x3F, 0x6A, 0x88, 0x85, 0xA3, 0x08, 0xD3, 0x13, 0x19, 0x8A, 0x2E, 0x03, 0x70, 0x73, 0x44, 0xA4, 0x09, 0x38, 0x22, 0x29, 0x9F, 0x31, 0xD0, 0x08, 0x2E, 0xFA, 0x98, 0xEC, 0x4E, 0x6C, 0x89 }; const unsigned char sig[64] = { 0x4A, 0x29, 0x8D, 0xAC, 0xAE, 0x57, 0x39, 0x5A, 0x15, 0xD0, 0x79, 0x5D, 0xDB, 0xFD, 0x1D, 0xCB, 0x56, 0x4D, 0xA8, 0x2B, 0x0F, 0x26, 0x9B, 0xC7, 0x0A, 0x74, 0xF8, 0x22, 0x04, 0x29, 0xBA, 0x1D, 0x69, 0xE8, 0x9B, 0x4C, 0x55, 0x64, 0xD0, 0x03, 0x49, 0x10, 0x6B, 0x84, 0x97, 0x78, 0x5D, 0xD7, 0xD1, 0xD7, 0x13, 0xA8, 0xAE, 0x82, 0xB3, 0x2F, 0xA7, 0x9D, 0x5F, 0x7F, 0xC4, 0x07, 0xD3, 0x9B }; test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 0); } { /* Test vector 12 */ const unsigned char pk[32] = { 0xDF, 0xF1, 0xD7, 0x7F, 0x2A, 0x67, 0x1C, 0x5F, 0x36, 0x18, 0x37, 0x26, 0xDB, 0x23, 0x41, 0xBE, 0x58, 0xFE, 0xAE, 0x1D, 0xA2, 0xDE, 0xCE, 0xD8, 0x43, 0x24, 0x0F, 0x7B, 0x50, 0x2B, 0xA6, 0x59 }; const unsigned char msg[32] = { 0x24, 0x3F, 0x6A, 0x88, 0x85, 0xA3, 0x08, 0xD3, 0x13, 0x19, 0x8A, 0x2E, 0x03, 0x70, 0x73, 0x44, 0xA4, 0x09, 0x38, 0x22, 0x29, 0x9F, 0x31, 0xD0, 0x08, 0x2E, 0xFA, 0x98, 0xEC, 0x4E, 0x6C, 0x89 }; const unsigned char sig[64] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFC, 0x2F, 0x69, 0xE8, 0x9B, 0x4C, 0x55, 0x64, 0xD0, 0x03, 0x49, 0x10, 0x6B, 0x84, 0x97, 0x78, 0x5D, 0xD7, 0xD1, 0xD7, 0x13, 0xA8, 0xAE, 0x82, 0xB3, 0x2F, 0xA7, 0x9D, 0x5F, 0x7F, 0xC4, 0x07, 0xD3, 0x9B }; test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 0); } { /* Test vector 13 */ const unsigned char pk[32] = { 0xDF, 0xF1, 0xD7, 0x7F, 0x2A, 0x67, 0x1C, 0x5F, 0x36, 0x18, 0x37, 0x26, 0xDB, 0x23, 0x41, 0xBE, 0x58, 0xFE, 0xAE, 0x1D, 0xA2, 0xDE, 0xCE, 0xD8, 0x43, 0x24, 0x0F, 0x7B, 0x50, 0x2B, 0xA6, 0x59 }; const unsigned char msg[32] = { 0x24, 0x3F, 0x6A, 0x88, 0x85, 0xA3, 0x08, 0xD3, 0x13, 0x19, 0x8A, 0x2E, 0x03, 0x70, 0x73, 0x44, 0xA4, 0x09, 0x38, 0x22, 0x29, 0x9F, 0x31, 0xD0, 0x08, 0x2E, 0xFA, 0x98, 0xEC, 0x4E, 0x6C, 0x89 }; const unsigned char sig[64] = { 0x6C, 0xFF, 0x5C, 0x3B, 0xA8, 0x6C, 0x69, 0xEA, 0x4B, 0x73, 0x76, 0xF3, 0x1A, 0x9B, 0xCB, 0x4F, 0x74, 0xC1, 0x97, 0x60, 0x89, 0xB2, 0xD9, 0x96, 0x3D, 0xA2, 0xE5, 0x54, 0x3E, 0x17, 0x77, 0x69, 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 }; test_schnorrsig_bip_vectors_check_verify(pk, msg, sig, 0); } { /* Test vector 14 */ const unsigned char pk[32] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFE, 0xFF, 0xFF, 0xFC, 0x30 }; secp256k1_xonly_pubkey pk_parsed; /* No need to check the signature of the test vector as parsing the pubkey already fails */ CHECK(!secp256k1_xonly_pubkey_parse(ctx, &pk_parsed, pk)); } } /* Nonce function that returns constant 0 */ static int nonce_function_failing(unsigned char *nonce32, const unsigned char *msg32, const unsigned char *key32, const unsigned char *xonly_pk32, const unsigned char *algo16, void *data) { (void) msg32; (void) key32; (void) xonly_pk32; (void) algo16; (void) data; (void) nonce32; return 0; } /* Nonce function that sets nonce to 0 */ static int nonce_function_0(unsigned char *nonce32, const unsigned char *msg32, const unsigned char *key32, const unsigned char *xonly_pk32, const unsigned char *algo16, void *data) { (void) msg32; (void) key32; (void) xonly_pk32; (void) algo16; (void) data; memset(nonce32, 0, 32); return 1; } /* Nonce function that sets nonce to 0xFF...0xFF */ static int nonce_function_overflowing(unsigned char *nonce32, const unsigned char *msg32, const unsigned char *key32, const unsigned char *xonly_pk32, const unsigned char *algo16, void *data) { (void) msg32; (void) key32; (void) xonly_pk32; (void) algo16; (void) data; memset(nonce32, 0xFF, 32); return 1; } void test_schnorrsig_sign(void) { unsigned char sk[32]; secp256k1_keypair keypair; const unsigned char msg[32] = "this is a msg for a schnorrsig.."; unsigned char sig[64]; unsigned char zeros64[64] = { 0 }; secp256k1_rand256(sk); CHECK(secp256k1_keypair_create(ctx, &keypair, sk)); CHECK(secp256k1_schnorrsig_sign(ctx, sig, msg, &keypair, NULL, NULL) == 1); /* Test different nonce functions */ memset(sig, 1, sizeof(sig)); CHECK(secp256k1_schnorrsig_sign(ctx, sig, msg, &keypair, nonce_function_failing, NULL) == 0); CHECK(memcmp(sig, zeros64, sizeof(sig)) == 0); memset(&sig, 1, sizeof(sig)); CHECK(secp256k1_schnorrsig_sign(ctx, sig, msg, &keypair, nonce_function_0, NULL) == 0); CHECK(memcmp(sig, zeros64, sizeof(sig)) == 0); CHECK(secp256k1_schnorrsig_sign(ctx, sig, msg, &keypair, nonce_function_overflowing, NULL) == 1); CHECK(memcmp(sig, zeros64, sizeof(sig)) != 0); } #define N_SIGS 3 /* Creates N_SIGS valid signatures and verifies them with verify and * verify_batch (TODO). Then flips some bits and checks that verification now * fails. */ void test_schnorrsig_sign_verify(void) { unsigned char sk[32]; unsigned char msg[N_SIGS][32]; unsigned char sig[N_SIGS][64]; size_t i; secp256k1_keypair keypair; secp256k1_xonly_pubkey pk; secp256k1_scalar s; secp256k1_rand256(sk); CHECK(secp256k1_keypair_create(ctx, &keypair, sk)); CHECK(secp256k1_keypair_xonly_pub(ctx, &pk, NULL, &keypair)); for (i = 0; i < N_SIGS; i++) { secp256k1_rand256(msg[i]); CHECK(secp256k1_schnorrsig_sign(ctx, sig[i], msg[i], &keypair, NULL, NULL)); CHECK(secp256k1_schnorrsig_verify(ctx, sig[i], msg[i], &pk)); } { /* Flip a few bits in the signature and in the message and check that * verify and verify_batch (TODO) fail */ size_t sig_idx = secp256k1_rand_int(N_SIGS); size_t byte_idx = secp256k1_rand_int(32); unsigned char xorbyte = secp256k1_rand_int(254)+1; sig[sig_idx][byte_idx] ^= xorbyte; CHECK(!secp256k1_schnorrsig_verify(ctx, sig[sig_idx], msg[sig_idx], &pk)); sig[sig_idx][byte_idx] ^= xorbyte; byte_idx = secp256k1_rand_int(32); sig[sig_idx][32+byte_idx] ^= xorbyte; CHECK(!secp256k1_schnorrsig_verify(ctx, sig[sig_idx], msg[sig_idx], &pk)); sig[sig_idx][32+byte_idx] ^= xorbyte; byte_idx = secp256k1_rand_int(32); msg[sig_idx][byte_idx] ^= xorbyte; CHECK(!secp256k1_schnorrsig_verify(ctx, sig[sig_idx], msg[sig_idx], &pk)); msg[sig_idx][byte_idx] ^= xorbyte; /* Check that above bitflips have been reversed correctly */ CHECK(secp256k1_schnorrsig_verify(ctx, sig[sig_idx], msg[sig_idx], &pk)); } /* Test overflowing s */ CHECK(secp256k1_schnorrsig_sign(ctx, sig[0], msg[0], &keypair, NULL, NULL)); CHECK(secp256k1_schnorrsig_verify(ctx, sig[0], msg[0], &pk)); memset(&sig[0][32], 0xFF, 32); CHECK(!secp256k1_schnorrsig_verify(ctx, sig[0], msg[0], &pk)); /* Test negative s */ CHECK(secp256k1_schnorrsig_sign(ctx, sig[0], msg[0], &keypair, NULL, NULL)); CHECK(secp256k1_schnorrsig_verify(ctx, sig[0], msg[0], &pk)); secp256k1_scalar_set_b32(&s, &sig[0][32], NULL); secp256k1_scalar_negate(&s, &s); secp256k1_scalar_get_b32(&sig[0][32], &s); CHECK(!secp256k1_schnorrsig_verify(ctx, sig[0], msg[0], &pk)); } #undef N_SIGS +void test_schnorrsig_taproot(void) { + unsigned char sk[32]; + secp256k1_keypair keypair; + secp256k1_xonly_pubkey internal_pk; + unsigned char internal_pk_bytes[32]; + secp256k1_xonly_pubkey output_pk; + unsigned char output_pk_bytes[32]; + unsigned char tweak[32]; + int pk_parity; + unsigned char msg[32]; + unsigned char sig[64]; + + /* Create output key */ + secp256k1_rand256(sk); + CHECK(secp256k1_keypair_create(ctx, &keypair, sk) == 1); + CHECK(secp256k1_keypair_xonly_pub(ctx, &internal_pk, NULL, &keypair) == 1); + /* In actual taproot the tweak would be hash of internal_pk */ + CHECK(secp256k1_xonly_pubkey_serialize(ctx, tweak, &internal_pk) == 1); + CHECK(secp256k1_keypair_xonly_tweak_add(ctx, &keypair, tweak) == 1); + CHECK(secp256k1_keypair_xonly_pub(ctx, &output_pk, &pk_parity, &keypair) == 1); + CHECK(secp256k1_xonly_pubkey_serialize(ctx, output_pk_bytes, &output_pk) == 1); + + /* Key spend */ + secp256k1_rand256(msg); + CHECK(secp256k1_schnorrsig_sign(ctx, sig, msg, &keypair, NULL, NULL) == 1); + /* Verify key spend */ + CHECK(secp256k1_xonly_pubkey_parse(ctx, &output_pk, output_pk_bytes) == 1); + CHECK(secp256k1_schnorrsig_verify(ctx, sig, msg, &output_pk) == 1); + + /* Script spend */ + CHECK(secp256k1_xonly_pubkey_serialize(ctx, internal_pk_bytes, &internal_pk) == 1); + /* Verify script spend */ + CHECK(secp256k1_xonly_pubkey_parse(ctx, &internal_pk, internal_pk_bytes) == 1); + CHECK(secp256k1_xonly_pubkey_tweak_add_check(ctx, output_pk_bytes, pk_parity, &internal_pk, tweak) == 1); +} + void run_schnorrsig_tests(void) { int i; run_nonce_function_bip340_tests(); test_schnorrsig_api(); test_schnorrsig_sha256_tagged(); test_schnorrsig_bip_vectors(); for (i = 0; i < count; i++) { test_schnorrsig_sign(); test_schnorrsig_sign_verify(); } + test_schnorrsig_taproot(); } #endif