crypto.py 文件源码

def decrypt_with_private_key(secret_key, private_encryption_key):
    """
    Decrypts the given secret key with the private key.

    :param bytes secret_key: the secret key to decrypt
    :param private_encryption_key: the private encryption key
    :type private_encryption_key: :class:`~rsa.RSAPrivateKey`
    :return: the decrypted key
    :rtype: bytes
    """
    return private_encryption_key.decrypt(
        secret_key,
        padding.OAEP(
            mgf=padding.MGF1(algorithm=hashes.SHA256()),
            algorithm=hashes.SHA256(),
            label=None))