本文整理匯總了Python中ecdsa.VerifyingKey.from_public_point方法的典型用法代碼示例。如果您正苦於以下問題：Python VerifyingKey.from_public_point方法的具體用法？Python VerifyingKey.from_public_point怎麽用？Python VerifyingKey.from_public_point使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類ecdsa.VerifyingKey的用法示例。
在下文中一共展示了VerifyingKey.from_public_point方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: from_parent
# 需要導入模塊: from ecdsa import VerifyingKey [as 別名]
# 或者: from ecdsa.VerifyingKey import from_public_point [as 別名]
def from_parent(parent_key, i):
if i & HARDENED_INDEX:
raise ValueError("Can't generate a hardened child key from a parent public key.")
child = hmac.new(parent_key.chain_code,
parent_key.compressed_key + i.to_bytes(length=4, byteorder='big'),
hashlib.sha512).digest()
child_left, child_right = child[:32], child[32:]
if int.from_bytes(child_left, 'big') >= ecdsa.generator_256.order():
return None
temp_pri_key = SigningKey.from_string(string=child_left, curve=curves.NIST256p)
ki = temp_pri_key.verifying_key.pubkey.point + parent_key.key.pubkey.point
if ki == ellipticcurve.INFINITY:
return None
return HDPublicKey(public_key=VerifyingKey.from_public_point(point=ki, curve=curves.NIST256p),
chain_code=child_right,
index=i,
depth=parent_key.depth + 1,
parent_fingerprint=parent_key.fingerprint) 示例2: from_point
# 需要導入模塊: from ecdsa import VerifyingKey [as 別名]
# 或者: from ecdsa.VerifyingKey import from_public_point [as 別名]
def from_point(cls, point, network=BitcoinMainNet, **kwargs):
"""Create a PublicKey from a point on the SECP256k1 curve.
:param point: A point on the SECP256k1 curve.
:type point: SECP256k1.point
"""
verifying_key = VerifyingKey.from_public_point(point, curve=SECP256k1)
return cls.from_verifying_key(verifying_key, network=network, **kwargs)