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| author | Kévin Le Gouguec <kevin.legouguec@airbus.com> | 2019-03-14 12:47:41 +0100 |
|---|---|---|
| committer | Kévin Le Gouguec <kevin.legouguec@airbus.com> | 2019-03-21 14:49:15 +0100 |
| commit | f161a41e1bb1b379335bb658877a8859a64c9d10 (patch) | |
| tree | 763e94039894a154edfcf58602082ca6d3afb4b9 /python/constants.py | |
| parent | 02eb0c9f257435595889d15577e4641b2242d0a1 (diff) | |
| download | lilliput-ae-implem-f161a41e1bb1b379335bb658877a8859a64c9d10.tar.xz | |
[implem-python] Suppression de paramètres redondants
tweak_bits est constant pour un mode donné ; rounds se déduit de la
taille de clé.
Diffstat (limited to 'python/constants.py')
| -rw-r--r-- | python/constants.py | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/python/constants.py b/python/constants.py index acedfa7..94a3e0e 100644 --- a/python/constants.py +++ b/python/constants.py @@ -1,6 +1,15 @@ BLOCK_BYTES = 16 +def rounds(key_bits): + r = { + 128: 32, + 192: 36, + 256: 42 + } + return r[key_bits] + + Sbox = [32, 0, 178, 133, 59, 53, 166, 164, 48, 228, 106, 44, 255, 89, 226, 14, 248, 30, 122, 128, 21, 189, 62, 177, |