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updated based on code review

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This commit is contained in:
Lex Berezhny 2022-01-17 11:08:28 -05:00
parent ac201c718e
commit 302461b446
1 changed files with 7 additions and 4 deletions
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11
lbry/wallet/bip32.py
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@ -141,11 +141,14 @@ class PublicKey(_KeyBase):
self.pubkey_bytes self.pubkey_bytes
) )
def verify(self, signature, data) -> bool: def verify(self, signature, digest) -> bool:
""" Verify that a signature is valid for data. """ """ Verify that a signature is valid for a 32 byte digest. """
if len(signature) != 64: if len(signature) != 64:
raise Exception('invalid signature length') raise ValueError('Signature must be 64 bytes long.')
if len(digest) != 32:
raise ValueError('Digest must be 32 bytes long.')
key = self.verifying_key key = self.verifying_key
@ -163,7 +166,7 @@ class PublicKey(_KeyBase):
) )
verified = libsecp256k1.secp256k1_ecdsa_verify( verified = libsecp256k1.secp256k1_ecdsa_verify(
key.context.ctx, normalized_signature, data, key.public_key key.context.ctx, normalized_signature, digest, key.public_key
) )
return bool(verified) return bool(verified)