From 07af965f2687105324e0142270a9e194a5ae6af5 Mon Sep 17 00:00:00 2001 From: Kévin Le Gouguec Date: Mon, 25 Mar 2019 08:38:01 +0100 Subject: [implem-python] Ajout des entêtes manquants MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- test/python/crypto_aead.py | 33 ++++++++++++++++++++++++++------- 1 file changed, 26 insertions(+), 7 deletions(-) (limited to 'test/python/crypto_aead.py') diff --git a/test/python/crypto_aead.py b/test/python/crypto_aead.py index 792369c..6a9b328 100644 --- a/test/python/crypto_aead.py +++ b/test/python/crypto_aead.py @@ -1,9 +1,29 @@ +# Implementation of the Lilliput-AE tweakable block cipher. +# +# Authors, hereby denoted as "the implementer": +# Kévin Le Gouguec, +# 2019. +# +# For more information, feedback or questions, refer to our website: +# https://paclido.fr/lilliput-ae +# +# To the extent possible under law, the implementer has waived all copyright +# and related or neighboring rights to the source code in this file. +# http://creativecommons.org/publicdomain/zero/1.0/ + +"""Python port of the crypto_aead API for Lilliput-AE.""" + import lilliput -from lilliput.constants import NONCE_BYTES as NPUBBYTES, TAG_BYTES -# Import KEYBYTES to expose it to genkat_aead. -# Import MODE to provide it to lilliput. -from parameters import KEYBYTES, MODE +from lilliput.constants import ( + NONCE_BYTES as NPUBBYTES, # Expose to genkat_aead. + TAG_BYTES +) + +from parameters import ( + KEYBYTES, # Expose to genkat_aead. + MODE +) def encrypt(m, ad, npub, k): @@ -12,7 +32,6 @@ def encrypt(m, ad, npub, k): def decrypt(c, ad, npub, k): - clen = len(c)-TAG_BYTES - ctext = c[:clen] - tag = c[clen:] + ctext = c[:-TAG_BYTES] + tag = c[-TAG_BYTES:] return lilliput.decrypt(ctext, tag, ad, k, npub, MODE) -- cgit v1.2.3