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authorKévin Le Gouguec <kevin.legouguec@airbus.com>2019-03-14 14:21:39 +0100
committerKévin Le Gouguec <kevin.legouguec@airbus.com>2019-03-21 14:49:15 +0100
commitdc5efdfce750c02d4f3c4b35d5137342002fd78d (patch)
treec3695c51283e0d0b62063a57824d4bd54fd05102 /python/lilliput_ae_1.py
parent864e0bc2a83297bbea069f3fcc6cb333dbc2de19 (diff)
downloadlilliput-ae-implem-dc5efdfce750c02d4f3c4b35d5137342002fd78d.tar.xz
[implem-python] Retrait des variables globales de lilliput_tbc
On peut tout déduire de len(tweak) / len(key) ; la seule raison d'utiliser autant de constantes en C est que les tableaux se dégradent en pointeurs, donc c'est où les constantes, où une tétrachiée d'arguments.
Diffstat (limited to 'python/lilliput_ae_1.py')
-rw-r--r--python/lilliput_ae_1.py28
1 files changed, 6 insertions, 22 deletions
diff --git a/python/lilliput_ae_1.py b/python/lilliput_ae_1.py
index 9eb5460..4d2d2dc 100644
--- a/python/lilliput_ae_1.py
+++ b/python/lilliput_ae_1.py
@@ -225,18 +225,10 @@ def OCB3Enc(A, M, N, key) :
A = ArrayToBlockbytesMatrix(A)
M = ArrayToBlockbytesMatrix(M)
+ K = list(key)
- ltbc.KEY_BITS = KEY_BITS
- ltbc.TWEAK_BITS = TWEAK_BITS
- ltbc.LANES = LANES
-
- ltbc.TWEAKEY_BITS = TWEAKEY_BITS
- ltbc.KEY_BYTES = KEY_BYTES
- ltbc.TWEAK_BYTES = TWEAK_BYTES
- ltbc.TWEAKEY_BYTES = TWEAKEY_BYTES
-
- Auth = BuildAuth(A, key)
- (Final, C) = TreatMessageEnc(M, N, key)
+ Auth = BuildAuth(A, K)
+ (Final, C) = TreatMessageEnc(M, N, K)
tag = XorState(Auth, Final)
return BlockbytesMatrixToBytes(C), bytes(tag)
@@ -253,18 +245,10 @@ def OCB3Dec(A, C, N, tag, key) :
A = ArrayToBlockbytesMatrix(A)
C = ArrayToBlockbytesMatrix(C)
+ K = list(key)
- ltbc.KEY_BITS = KEY_BITS
- ltbc.TWEAK_BITS = TWEAK_BITS
- ltbc.LANES = LANES
-
- ltbc.TWEAKEY_BITS = TWEAKEY_BITS
- ltbc.KEY_BYTES = KEY_BYTES
- ltbc.TWEAK_BYTES = TWEAK_BYTES
- ltbc.TWEAKEY_BYTES = TWEAKEY_BYTES
-
- Auth = BuildAuth(A, key)
- (Final, M) = TreatMessageDec(C, N, key)
+ Auth = BuildAuth(A, K)
+ (Final, M) = TreatMessageDec(C, N, K)
tag2 = XorState(Auth, Final)
if(tag == tag2) :