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musig: add test for signing with wrong secnonce for a keypair

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Jonas Nick committed 2023-03-03 12:55:00 +00:00
1 parent bd57a017aa
commit a1ec2bb67b
1 file changed
+14 -5
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src/modules/musig/tests_impl.h
+14 -5
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@@ -466,18 +466,27 @@ void musig_api_tests(secp256k1_scratch_space *scratch) {
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce_tmp, &invalid_keypair, &keyagg_cache, &session) == 0);
CHECK(ecount == 6);
memcpy(&secnonce_tmp, &secnonce[0], sizeof(secnonce_tmp));
{
unsigned char sk_tmp[32];
secp256k1_keypair keypair_tmp;
secp256k1_testrand256(sk_tmp);
CHECK(secp256k1_keypair_create(ctx, &keypair_tmp, sk_tmp));
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce_tmp, &keypair_tmp, &keyagg_cache, &session) == 0);
CHECK(ecount == 7);
memcpy(&secnonce_tmp, &secnonce[0], sizeof(secnonce_tmp));
}
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce_tmp, &keypair[0], NULL, &session) == 0);
CHECK(ecount == 7);
memcpy(&secnonce_tmp, &secnonce[0], sizeof(secnonce_tmp));
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce_tmp, &keypair[0], &invalid_keyagg_cache, &session) == 0);
CHECK(ecount == 8);
memcpy(&secnonce_tmp, &secnonce[0], sizeof(secnonce_tmp));
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce_tmp, &keypair[0], &keyagg_cache, NULL) == 0);
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce_tmp, &keypair[0], &invalid_keyagg_cache, &session) == 0);
CHECK(ecount == 9);
memcpy(&secnonce_tmp, &secnonce[0], sizeof(secnonce_tmp));
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce_tmp, &keypair[0], &keyagg_cache, &invalid_session) == 0);
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce_tmp, &keypair[0], &keyagg_cache, NULL) == 0);
CHECK(ecount == 10);
memcpy(&secnonce_tmp, &secnonce[0], sizeof(secnonce_tmp));
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce_tmp, &keypair[0], &keyagg_cache, &invalid_session) == 0);
CHECK(ecount == 11);
memcpy(&secnonce_tmp, &secnonce[0], sizeof(secnonce_tmp));
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[0], &secnonce[0], &keypair[0], &keyagg_cache, &session) == 1);
CHECK(secp256k1_musig_partial_sign(none, &partial_sig[1], &secnonce[1], &keypair[1], &keyagg_cache, &session) == 1);