frost/secp256k1-zkp
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Expose ability to deep-copy a context

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This commit is contained in:
Andrew Poelstra
2015-04-11 14:06:54 -05:00
parent 3608c7f2f6
commit d899b5b67c
7 changed files with 91 additions and 0 deletions
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42
src/tests.c
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@@ -103,6 +103,47 @@ void random_scalar_order(secp256k1_scalar_t *num) {
} while(1);
}
void run_context_tests(void) {
secp256k1_context_t *none = secp256k1_context_create(0);
secp256k1_context_t *sign = secp256k1_context_create(SECP256K1_CONTEXT_SIGN);
secp256k1_context_t *vrfy = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY);
secp256k1_context_t *both = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
secp256k1_gej_t pubj;
secp256k1_ge_t pub;
secp256k1_scalar_t msg, key, nonce;
secp256k1_ecdsa_sig_t sig;
/*** clone and destroy all of them to make sure cloning was complete ***/
{
secp256k1_context_t *ctx_tmp;
ctx_tmp = none; none = secp256k1_context_clone(none); secp256k1_context_destroy(ctx_tmp);
ctx_tmp = sign; sign = secp256k1_context_clone(sign); secp256k1_context_destroy(ctx_tmp);
ctx_tmp = vrfy; vrfy = secp256k1_context_clone(vrfy); secp256k1_context_destroy(ctx_tmp);
ctx_tmp = both; both = secp256k1_context_clone(both); secp256k1_context_destroy(ctx_tmp);
}
/*** attempt to use them ***/
random_scalar_order_test(&msg);
random_scalar_order_test(&key);
secp256k1_ecmult_gen(&both->ecmult_gen_ctx, &pubj, &key);
secp256k1_ge_set_gej(&pub, &pubj);
/* obtain a working nonce */
do {
random_scalar_order_test(&nonce);
} while(!secp256k1_ecdsa_sig_sign(&both->ecmult_gen_ctx, &sig, &key, &msg, &nonce, NULL));
/* try signing */
CHECK(secp256k1_ecdsa_sig_sign(&sign->ecmult_gen_ctx, &sig, &key, &msg, &nonce, NULL));
CHECK(secp256k1_ecdsa_sig_sign(&both->ecmult_gen_ctx, &sig, &key, &msg, &nonce, NULL));
/* try verifying */
CHECK(secp256k1_ecdsa_sig_verify(&vrfy->ecmult_ctx, &sig, &pub, &msg));
CHECK(secp256k1_ecdsa_sig_verify(&both->ecmult_ctx, &sig, &pub, &msg));
}
/***** HASH TESTS *****/
void run_sha256_tests(void) {
@@ -1863,6 +1904,7 @@ int main(int argc, char **argv) {
printf("random seed = %02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n", seed16[0], seed16[1], seed16[2], seed16[3], seed16[4], seed16[5], seed16[6], seed16[7], seed16[8], seed16[9], seed16[10], seed16[11], seed16[12], seed16[13], seed16[14], seed16[15]);
/* initialize */
run_context_tests();
ctx = secp256k1_context_create(SECP256K1_CONTEXT_SIGN | SECP256K1_CONTEXT_VERIFY);
run_sha256_tests();