[英]How can we retrieve public key from private key ( protected with passphrase ) using python's Cryptography library?
這應該為您工作：
key_file = open('key.text', 'rb')
private_key = serialization.load_pem_private_key(
key_file.read(),
password=None,
backend=default_backend()
)
public_key = private_key.public_key()
我們如何以編程方式從受密碼保護的私鑰中獲取公鑰而不創建SSH連接？
[英]How can we programatically get public key from passphrase protected private key without creating an SSH connection?
如何使用Python2中的“加密”庫從證書中打印公鑰？
[英]How to print public key from certificates using “cryptography” library in Python2?
如何從python中的公共字節或公共數字恢復EC公鑰（加密模塊）
[英]How to restore a EC public key from public bytes or public numbers in python (cryptography module)
使用密碼學庫在 Python 中生成橢圓曲線私鑰
[英]Generating Elliptic Curve Private Key in Python with the cryptography library
如何使用 Fabric 和 fabfile 解密受密碼保護的 SSH 密鑰？
[英]How to decrypt passphrase-protected SSH key using Fabric and fabfile?
如何使用 Python 從已知私鑰生成以太坊公鑰
[英]How do I generate an Ethereum public key from a known private key using Python
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