[implem-python] Simplification de pad10*

Dans le cadre d'une croisade contre les range(len(…)).

Suppression d'un paramètre inutile dans la foulée.

1 files changed, 5 insertions, 5 deletions

diff --git a/python/lilliput_ae_2.py b/python/lilliput_ae_2.py
index 3f72020..2e7843b 100644
--- a/python/lilliput_ae_2.py
+++ b/python/lilliput_ae_2.py
@@ -55,7 +55,7 @@ def AddTagJ(tag, j):
 
 def MesssageAuthTag(M, N, Auth, key):
     l = len(M)//BLOCK_BYTES
-    padding_bytes = len(M)%BLOCK_BYTES
+    need_padding = len(M)%BLOCK_BYTES > 0
 
     tag = list(Auth)
     M = ArrayToBlockbytesMatrix(M)
@@ -65,9 +65,9 @@ def MesssageAuthTag(M, N, Auth, key):
         encryption = ltbc.LilliputTBCEnc(tweak, key, M[j])
         tag = XorState(tag, encryption)
 
-    if padding_bytes > 0:
+    if need_padding:
         tweak = TweakTag(l, True)
-        m_padded = Padding10LSB(M[l], 8*padding_bytes)
+        m_padded = Padding10LSB(M[l])
         encryption = ltbc.LilliputTBCEnc(tweak, key, m_padded)
         tag = XorState(tag, encryption)
 
@@ -80,7 +80,7 @@ def MesssageAuthTag(M, N, Auth, key):
 
 def MessageEncryption(M, N, tag, key):
     l = len(M)//BLOCK_BYTES
-    padding_bytes = len(M)%BLOCK_BYTES
+    need_padding = len(M)%BLOCK_BYTES > 0
 
     M = ArrayToBlockbytesMatrix(M)
     C = []
@@ -91,7 +91,7 @@ def MessageEncryption(M, N, tag, key):
         encryption = ltbc.LilliputTBCEnc(tweak, key, padded_nonce)
         C.append(XorState(M[j], encryption))
 
-    if padding_bytes > 0:
+    if need_padding:
         tweak = AddTagJ(tag, l)
         padded_nonce = list(N) + [0x00]
         encryption = ltbc.LilliputTBCEnc(tweak, key, padded_nonce)