def test_secp256k1_round_trip_private_key():
private_key = b"\xc4|+\x8b\x98\xeb`\xa9\xc8\x91\xea6W\xa6\x7f\xc6\xd9\xdb\xd6\xc4\xef\xfd9\xa8Y\xbe \x0b\x88wr9"
first_key = SECP256K1Key(private_key=private_key)
private_pem = first_key.private_key_pem # generated from private_key given
other_key = SECP256K1Key(private_key_pem=private_pem)
result_private_key = other_key.private_key # generated from private_key_pem given
assert (result_private_key == private_key
), "private key after round trip doesn't match"
def test_secp256k1_round_trip_public_key_pem():
public_key_pem = (
b"-----BEGIN PUBLIC KEY-----\n"
b"MFYwEAYHKoZIzj0CAQYFK4EEAAoDQgAEKB8hO0DCsJ0v/GAV9EyDxKTHvwWQt3N4\n"
b"IIwPuq5tcrYUo1JMb6uvx193+yNwBCNeApRJhLo3sTSdM2kcsyB90w==\n"
b"-----END PUBLIC KEY-----\n")
first_key = SECP256K1Key(public_key_pem=public_key_pem)
public_key = first_key.public_key
other_key = SECP256K1Key(public_key=public_key)
result_public_key_pem = other_key.public_key_pem
assert (result_public_key_pem == public_key_pem
), "public key pem after roundtrip doesn't match"
def test_secp256k1_round_trip_private_key_pem():
private_key_pem = (
b"-----BEGIN EC PRIVATE KEY-----\n"
b"MHQCAQEEIMR8K4uY62CpyJHqNlemf8bZ29bE7/05qFm+IAuId3I5oAcGBSuBBAAK\n"
b"oUQDQgAEYboDvTrgr1jzJ2CU0ZbEnU9ps8or0/CEkC2jxYTSUI/h8HFijN+8nMiS\n"
b"qRDPvK1hdyBjfQr4DKPRlRME+A1Fbg=="
b"\n-----END EC PRIVATE KEY-----\n")
first_key = SECP256K1Key(private_key_pem=private_key_pem)
private_key = first_key.private_key
other_key = SECP256K1Key(private_key=private_key)
result_private_key_pem = other_key.private_key_pem
assert (result_private_key_pem == private_key_pem
), "private key pem after roundtrip doesn't match"
def test_secp256k1_account_hash():
public_key = (
b"a\xba\x03\xbd:\xe0\xafX\xf3'`\x94\xd1\x96\xc4\x9dOi\xb3\xca+\xd3\xf0\x84\x90-\xa3\xc5\x84\xd2P\x8f"
b"\xe1\xf0qb\x8c\xdf\xbc\x9c\xc8\x92\xa9\x10\xcf\xbc\xadaw c}\n\xf8\x0c\xa3\xd1\x95\x13\x04\xf8\rEn"
)
key_holder = SECP256K1Key(public_key=public_key)
expected_account_hash = b"M\xdb0c\r.\xf4\xad\x1f1WJ\xb7\x0bw\x87\xd7\xc1\xf1\xb0\xe2\x18\xc2\xa4\xe7\x04\xe7\rM\xbc\xaeN"
account_hash = key_holder.account_hash
assert account_hash == expected_account_hash, "account_hash does not equal expected"
def test_secp256k1_sign():
key_holder = SECP256K1Key.generate()
data = b"0123456789"
signature = key_holder.sign(data)
public_key = ecdsa.VerifyingKey.from_string(key_holder.public_key,
curve=SECP256K1Key.CURVE)
assert (public_key.verify_digest(
signature, data, sigdecode=ecdsa.util.sigdecode_der) is
True), "good signature verification"
with pytest.raises(BadSignatureError):
public_key.verify_digest(signature,
data + b"1",
sigdecode=ecdsa.util.sigdecode_der)
def test_secp256k1_generate():
PRIVATE_KEY_LENGTH = 32
PUBLIC_KEY_LENGTH = 65
key_holder = SECP256K1Key.generate()
assert len(
key_holder.private_key) == PRIVATE_KEY_LENGTH, "private key length"
assert len(key_holder.public_key) == PUBLIC_KEY_LENGTH, "public key length"
private_parts = key_holder.private_key_pem.split(b"-----")
assert private_parts[1] == b"BEGIN EC PRIVATE KEY", "private pem header"
assert private_parts[3] == b"END EC PRIVATE KEY", "private pen footer"
public_parts = key_holder.public_key_pem.split(b"-----")
assert public_parts[1] == b"BEGIN PUBLIC KEY", "public pem header"
assert public_parts[3] == b"END PUBLIC KEY", "public pem footer"