tests: add tests for KeyPair

Reuse existing BIP340 tests, as there should be
no behavior change between the two
This commit is contained in:
josibake 2024-07-16 17:42:32 +02:00
parent cebb08b121
commit 72a5822d43
No known key found for this signature in database
GPG key ID: 8ADCB558C4F33D65

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@ -300,6 +300,13 @@ BOOST_AUTO_TEST_CASE(bip340_test_vectors)
// Verify those signatures for good measure.
BOOST_CHECK(pubkey.VerifySchnorr(msg256, sig64));
// Repeat the same check, but use the KeyPair directly without any merkle tweak
KeyPair keypair = key.ComputeKeyPair(/*merkle_root=*/nullptr);
bool kp_ok = keypair.SignSchnorr(msg256, sig64, aux256);
BOOST_CHECK(kp_ok);
BOOST_CHECK(pubkey.VerifySchnorr(msg256, sig64));
BOOST_CHECK(std::vector<unsigned char>(sig64, sig64 + 64) == sig);
// Do 10 iterations where we sign with a random Merkle root to tweak,
// and compare against the resulting tweaked keys, with random aux.
// In iteration i=0 we tweak with empty Merkle tree.
@ -313,6 +320,12 @@ BOOST_AUTO_TEST_CASE(bip340_test_vectors)
bool ok = key.SignSchnorr(msg256, sig64, &merkle_root, aux256);
BOOST_CHECK(ok);
BOOST_CHECK(tweaked_key.VerifySchnorr(msg256, sig64));
// Repeat the same check, but use the KeyPair class directly
KeyPair keypair = key.ComputeKeyPair(&merkle_root);
bool kp_ok = keypair.SignSchnorr(msg256, sig64, aux256);
BOOST_CHECK(kp_ok);
BOOST_CHECK(tweaked_key.VerifySchnorr(msg256, sig64));
}
}
}