code: def decrypt(self, binary):
          '''
          Decrypt and unpack the original OpenConfig object,
          serialized using MessagePack.
          Raise BadSignatureException when the signature
          was forged or corrupted.
          '''
          try:
              encrypted = self.verify_key.verify(binary)
          except BadSignatureError:
              log.error('Signature was forged or corrupt', exc_info=True)
              raise BadSignatureException('Signature was forged or corrupt')
          try:
              packed = self.priv_key.decrypt(encrypted)
          except CryptoError:
              log.error('Unable to decrypt', exc_info=True)
              raise CryptoException('Unable to decrypt')
          return umsgpack.unpackb(packedf decrypt(self, binary):
          '''
          Decrypt and unpack the original OpenConfig object,
          serialized using MessagePack.
          Raise BadSignatureException when the signature
          was forged or corrupted.
          '''
          try:
              encrypted = self.verify_key.verify(binary)
          except BadSignatureError:
              log.error('Signature was forged or corrupt', exc_info=True)
              raise BadSignatureException('Signature was forged or corrupt')
          try:
              packed = self.priv_key.decrypt(encrypted)
          except CryptoError:
              log.error('Unable to decrypt', exc_info=True)
              raise CryptoException('Unable to decrypt')
          return umsgpack.unpackb(packed)
docs: Decrypt and unpack the original OpenConfig object,
          serialized using MessagePack.
          Raise BadSignatureException when the signature
          was forged or corrupted.