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| author | Kévin Le Gouguec <kevin.legouguec@airbus.com> | 2019-03-22 10:34:02 +0100 |
|---|---|---|
| committer | Kévin Le Gouguec <kevin.legouguec@airbus.com> | 2019-03-22 10:34:02 +0100 |
| commit | dd934c63386c8fa22a5b0944e0256c435d55938c (patch) | |
| tree | 4cd2b88da9533caaa719bf2f7195172cfd548c52 /python/lilliput_ae_1.py | |
| parent | 7350fbb6583236b929235a8be7f17f149901f004 (diff) | |
| download | lilliput-ae-implem-dd934c63386c8fa22a5b0944e0256c435d55938c.tar.xz | |
[implem-python] Renommage du module TBC
Quand le tout sera packagé sous le namespace "lilliput", le préfixe
alourdira plus qu'autre chose.
Diffstat (limited to 'python/lilliput_ae_1.py')
| -rw-r--r-- | python/lilliput_ae_1.py | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/python/lilliput_ae_1.py b/python/lilliput_ae_1.py index 5cc263b..8064871 100644 --- a/python/lilliput_ae_1.py +++ b/python/lilliput_ae_1.py @@ -4,7 +4,6 @@ from enum import Enum -import lilliput_tbc as ltbc from constants import BLOCK_BYTES, NONCE_BYTES from helpers import ( ArrayToBlockbytesMatrix, @@ -14,6 +13,7 @@ from helpers import ( TagValidationError, XorState ) +import tbc TWEAK_BITS = 192 @@ -78,22 +78,22 @@ def TreatMessageEnc(M, N, key): for j in range(0, l): checksum = XorState(checksum, M[j]) tweak = TweakMessage(N, j, _MessageTweak.BLOCK) - C.append(ltbc.LilliputTBCEnc(tweak, key, M[j])) + C.append(tbc.encrypt(tweak, key, M[j])) if padding_bytes == 0: tweak = TweakMessage(N, l, _MessageTweak.NO_PADDING) - Final = ltbc.LilliputTBCEnc(tweak, key, checksum) + Final = tbc.encrypt(tweak, key, checksum) else: m_padded = Padding10LSB(M[l]) checksum = XorState(checksum, m_padded) tweak = TweakMessage(N, l, _MessageTweak.PAD) - pad = ltbc.LilliputTBCEnc(tweak, key, [0 for byte in range(0, BLOCK_BYTES)]) + pad = tbc.encrypt(tweak, key, [0 for byte in range(0, BLOCK_BYTES)]) lower_part = LowPart(pad, padding_bytes*8) C.append(XorState(M[l], lower_part)) tweak_final = TweakMessage(N, l+1, _MessageTweak.FINAL) - Final = ltbc.LilliputTBCEnc(tweak_final, key, checksum) + Final = tbc.encrypt(tweak_final, key, checksum) return (Final, C) @@ -109,23 +109,23 @@ def TreatMessageDec(C, N, key): for j in range(0, l): tweak = TweakMessage(N, j, _MessageTweak.BLOCK) - M.append(ltbc.LilliputTBCDec(tweak, key, C[j])) + M.append(tbc.decrypt(tweak, key, C[j])) checksum = XorState(checksum, M[j]) if padding_bytes == 0: tweak = TweakMessage(N, l, _MessageTweak.NO_PADDING) - Final = ltbc.LilliputTBCEnc(tweak, key, checksum) + Final = tbc.encrypt(tweak, key, checksum) else: tweak = TweakMessage(N, l, _MessageTweak.PAD) - pad = ltbc.LilliputTBCEnc(tweak, key, [0 for byte in range(0, BLOCK_BYTES)]) + pad = tbc.encrypt(tweak, key, [0 for byte in range(0, BLOCK_BYTES)]) lower_part = LowPart(pad, padding_bytes*8) M.append(XorState(C[l], lower_part)) m_padded = Padding10LSB(M[l]) checksum = XorState(checksum, m_padded) tweak_final = TweakMessage(N, l+1, _MessageTweak.FINAL) - Final = ltbc.LilliputTBCEnc(tweak_final, key, checksum) + Final = tbc.encrypt(tweak_final, key, checksum) return (Final, M) |
