lilliput-ae-reference-implementation

commit 5fdd2fd67a68d43830300c3ddf4440478ff73cfd
parent 5fc1268d9c866ac78d3360af51eb0c0201a31167
Author: Kévin Le Gouguec <kevin.legouguec@airbus.com>
Date:   Fri,  5 Jul 2019 09:48:32 +0200

Utilisation de "size_t" pour l'indexation d'un tableau

Cf. db83bae, surtout par souci d'homogénéité.

Diffstat:
M
CHANGELOG.txt
 | 
6
+++---
M
src/add_felicsref/cipher.c
 | 
4
++--
M
src/ref/cipher.c
 | 
4
++--

3 files changed, 7 insertions(+), 7 deletions(-)
diff --git a/CHANGELOG.txt b/CHANGELOG.txt
@@ -34,6 +34,9 @@ These modifications are structural and/or stylistic and do not change the algori
 - Extract tweakey multiplications into their own header file, so that other implementations can make more targeted changes.
   (constants.h, multiplications.h, tweakey.c)
 
+- Use size_t to iterate on arrays in lilliput_tbc_encrypt() and lilliput_tbc_decrypt().
+  (cipher.c)
+
 add_threshold
 -------------
 
@@ -45,9 +48,6 @@ See reference implementation.
 
 See reference implementation. Further cleanups:
 
-- Use size_t to iterate on arrays in lilliput_tbc_encrypt() and lilliput_tbc_decrypt().
-  (cipher.c)
-
 - Add constant macros KEY_LANES_NB and TWEAK_LANES_NB to make tweakey schedule code more legible.
   (tweakey.c)
 
diff --git a/src/add_felicsref/cipher.c b/src/add_felicsref/cipher.c
@@ -150,7 +150,7 @@ void lilliput_tbc_encrypt(
     uint8_t RTK[ROUND_TWEAKEY_BYTES];
     tweakey_state_init(TK, key, tweak);
 
-    for (unsigned i=0; i<ROUNDS-1; i++)
+    for (size_t i=0; i<ROUNDS-1; i++)
     {
         tweakey_state_extract(TK, i, RTK);
         _one_round_egfn(ciphertext, RTK, PERMUTATION_ENCRYPTION);
@@ -174,7 +174,7 @@ void lilliput_tbc_decrypt(
     uint8_t RTK[ROUNDS][ROUND_TWEAKEY_BYTES];
     _compute_round_tweakeys(key, tweak, RTK);
 
-    for (uint8_t i=0; i<ROUNDS-1; i++)
+    for (size_t i=0; i<ROUNDS-1; i++)
     {
         _one_round_egfn(X, RTK[ROUNDS-1-i], PERMUTATION_DECRYPTION);
     }
diff --git a/src/ref/cipher.c b/src/ref/cipher.c
@@ -148,7 +148,7 @@ void lilliput_tbc_encrypt(
     uint8_t RTK[ROUNDS][ROUND_TWEAKEY_BYTES];
     _compute_round_tweakeys(key, tweak, RTK);
 
-    for (uint8_t i=0; i<ROUNDS-1; i++)
+    for (size_t i=0; i<ROUNDS-1; i++)
     {
         _one_round_egfn(X, RTK[i], PERMUTATION_ENCRYPTION);
     }
@@ -171,7 +171,7 @@ void lilliput_tbc_decrypt(
     uint8_t RTK[ROUNDS][ROUND_TWEAKEY_BYTES];
     _compute_round_tweakeys(key, tweak, RTK);
 
-    for (uint8_t i=0; i<ROUNDS-1; i++)
+    for (size_t i=0; i<ROUNDS-1; i++)
     {
         _one_round_egfn(X, RTK[ROUNDS-1-i], PERMUTATION_DECRYPTION);
     }