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add dnssec verification to payment requests

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This commit is contained in:
ThomasV
2015-07-07 08:59:03 +02:00
parent 652f0d0b7f
commit f3c4a55e77
3 changed files with 76 additions and 26 deletions
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12
lib/bitcoin.py
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@@ -478,11 +478,15 @@ class EC_KEY(object):
def get_public_key(self, compressed=True):
return point_to_ser(self.pubkey.point, compressed).encode('hex')
def sign_message(self, message, compressed, address):
private_key = ecdsa.SigningKey.from_secret_exponent( self.secret, curve = SECP256k1 )
def sign(self, msg_hash):
private_key = ecdsa.SigningKey.from_secret_exponent(self.secret, curve = SECP256k1)
public_key = private_key.get_verifying_key()
signature = private_key.sign_digest_deterministic( Hash( msg_magic(message) ), hashfunc=hashlib.sha256, sigencode = ecdsa.util.sigencode_string )
assert public_key.verify_digest( signature, Hash( msg_magic(message) ), sigdecode = ecdsa.util.sigdecode_string)
signature = private_key.sign_digest_deterministic(msg_hash, hashfunc=hashlib.sha256, sigencode = ecdsa.util.sigencode_string)
assert public_key.verify_digest(signature, msg_hash, sigdecode = ecdsa.util.sigdecode_string)
return signature
def sign_message(self, message, compressed, address):
signature = self.sign(Hash(msg_magic(message)))
for i in range(4):
sig = base64.b64encode(chr(27 + i + (4 if compressed else 0)) + signature)
try: