Context.py 文件源码

def encryptAndSign(self, plaintext, recipientPublic):
        try:
            content = rsa.encrypt(plaintext, recipientPublic)
            signature = rsa.sign(content, self.DRMPrivateKey, "SHA-1")
            return pickle.dumps([signature, content])
        except Exception as e:
            debug("crypt", "Failed encrypting the message. -> %s" % str(e))
        return

    # Verify signature with sender's public key, then proceed to use
    # our own private key to decrypt the message
    # pass the expected timestamp, to thawrt rplay attacks. gets cryptd