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tests: add tests for KeyPair

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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
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1 changed files with 13 additions and 0 deletions
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13
src/test/key_tests.cpp
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@ -300,6 +300,13 @@ BOOST_AUTO_TEST_CASE(bip340_test_vectors)
// Verify those signatures for good measure. // Verify those signatures for good measure.
BOOST_CHECK(pubkey.VerifySchnorr(msg256, sig64)); 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, // Do 10 iterations where we sign with a random Merkle root to tweak,
// and compare against the resulting tweaked keys, with random aux. // and compare against the resulting tweaked keys, with random aux.
// In iteration i=0 we tweak with empty Merkle tree. // 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); bool ok = key.SignSchnorr(msg256, sig64, &merkle_root, aux256);
BOOST_CHECK(ok); BOOST_CHECK(ok);
BOOST_CHECK(tweaked_key.VerifySchnorr(msg256, sig64)); 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));
} }
} }
} }