Method decrypt

python/example_code/kms/key_encryption.py:67–84

Decrypts text previously encrypted with a key. :param key_id: The ARN or ID of the key used to decrypt the data. :param cipher_text: The encrypted text to decrypt. :return: The decrypted text.

(self, key_id: str, cipher_text: bytes)

    # snippet-start:[python.example_code.kms.Decrypt]
    def decrypt(self, key_id: str, cipher_text: bytes) -> str:
        """
        Decrypts text previously encrypted with a key.

        :param key_id: The ARN or ID of the key used to decrypt the data.
        :param cipher_text: The encrypted text to decrypt.
        :return: The decrypted text.
        """
        try:
            return self.kms_client.decrypt(KeyId=key_id, CiphertextBlob=cipher_text)[
                "Plaintext"
            ].decode()
        except ClientError as err:
            logger.error(
                "Couldn't decrypt your ciphertext. Here's why: %s",
                err.response["Error"]["Message"],
            )
            raise

    # snippet-end:[python.example_code.kms.Decrypt]