crypto.py 文件源码

def sign_message(privkey, message):
    plaintext = b64decode(message.encode('utf-8'))
    signature = privkey.sign(
        plaintext,
        padding.PSS(
            mgf=padding.MGF1(hashes.SHA256()),
            salt_length=padding.PSS.MAX_LENGTH
        ),
        hashes.SHA256()
    )
    return b64encode(signature).decode('utf-8')