def sign(self, signer: SigningKey) -> bytes:
"""
署名を実施
:param signer:
:return:
"""
new_bytes = self.convert()
#print(new_bytes)
signature = signer.sign_deterministic(new_bytes, sigencode=sigencode_der)
self.data["signature"] = signature
return signature
def make_tx(key: ecdsa.SigningKey, contract, func, arguments={}):
tx = {
'sender': key.get_verifying_key().to_string().hex(),
'signature': None,
'payload': {
'contract': contract,
'function': func,
'arguments': arguments
}
}
message = encode(tx['payload']).encode()
signature = key.sign_deterministic(message, hashlib.sha256)[:64]
tx['signature'] = signature.hex()
return tx
def create_signature(cls,
context: str,
body_protected: bytes,
payload: bytes,
key: SigningKey,
external_aad: bytes,
sign_protected: bytes = None) -> bytes:
sign_structure = Signature1Message.sign_structure(
context, body_protected, payload, external_aad, sign_protected)
to_sign = dumps(sign_structure)
signature = key.sign_deterministic(to_sign,
hashlib.sha256,
sigencode=util.sigencode_string)
return signature
