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Add seckey extraction from keypair to the extrakeys tests

This commit is contained in:
Elichai Turkel 2020-11-05 16:49:07 +02:00
parent fc96aa73f5
commit 36d9dc1e8e
No known key found for this signature in database
GPG Key ID: 9383CDE9E8E66A7F
1 changed files with 26 additions and 1 deletions
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27
src/modules/extrakeys/tests_impl.h
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@ -311,6 +311,7 @@ void test_xonly_pubkey_tweak_recursive(void) {
void test_keypair(void) {
unsigned char sk[32];
unsigned char sk_tmp[32];
unsigned char zeros96[96] = { 0 };
unsigned char overflows[32];
secp256k1_keypair keypair;
@ -396,6 +397,28 @@ void test_keypair(void) {
CHECK(secp256k1_memcmp_var(&xonly_pk, &xonly_pk_tmp, sizeof(pk)) == 0);
CHECK(pk_parity == pk_parity_tmp);
/* Test keypair_seckey */
ecount = 0;
secp256k1_testrand256(sk);
CHECK(secp256k1_keypair_create(ctx, &keypair, sk) == 1);
CHECK(secp256k1_keypair_sec(none, sk_tmp, &keypair) == 1);
CHECK(secp256k1_keypair_sec(none, NULL, &keypair) == 0);
CHECK(ecount == 1);
CHECK(secp256k1_keypair_sec(none, sk_tmp, NULL) == 0);
CHECK(ecount == 2);
CHECK(secp256k1_memcmp_var(zeros96, sk_tmp, sizeof(sk_tmp)) == 0);
/* keypair returns the same seckey it got */
CHECK(secp256k1_keypair_create(sign, &keypair, sk) == 1);
CHECK(secp256k1_keypair_sec(none, sk_tmp, &keypair) == 1);
CHECK(secp256k1_memcmp_var(sk, sk_tmp, sizeof(sk_tmp)) == 0);
/* Using an invalid keypair is fine for keypair_seckey */
memset(&keypair, 0, sizeof(keypair));
CHECK(secp256k1_keypair_sec(none, sk_tmp, &keypair) == 1);
CHECK(secp256k1_memcmp_var(zeros96, sk_tmp, sizeof(sk_tmp)) == 0);
secp256k1_context_destroy(none);
secp256k1_context_destroy(sign);
secp256k1_context_destroy(verify);
@ -484,6 +507,7 @@ void test_keypair_add(void) {
secp256k1_pubkey output_pk_xy;
secp256k1_pubkey output_pk_expected;
unsigned char pk32[32];
unsigned char sk32[32];
int pk_parity;
secp256k1_testrand256(tweak);
@ -501,7 +525,8 @@ void test_keypair_add(void) {
CHECK(secp256k1_memcmp_var(&output_pk_xy, &output_pk_expected, sizeof(output_pk_xy)) == 0);
/* Check that the secret key in the keypair is tweaked correctly */
CHECK(secp256k1_ec_pubkey_create(ctx, &output_pk_expected, &keypair.data[0]) == 1);
CHECK(secp256k1_keypair_sec(none, sk32, &keypair) == 1);
CHECK(secp256k1_ec_pubkey_create(ctx, &output_pk_expected, sk32) == 1);
CHECK(secp256k1_memcmp_var(&output_pk_xy, &output_pk_expected, sizeof(output_pk_xy)) == 0);
}
secp256k1_context_destroy(none);