[implem-python] Création d'un paquet "lilliput"

1 files changed, 0 insertions, 186 deletions

diff --git a/python/multiplications.py b/python/multiplications.py
deleted file mode 100644
index c5f1e44..0000000
--- a/python/multiplications.py
+++ /dev/null
@@ -1,186 +0,0 @@
-
-# Multiply by matrix M
-def _multiplyM(lane):
-    multiplied_lane = [lane[(byte-1) % 8] for byte in range(0, 8)]
-
-    multiplied_lane[2] ^= ((lane[6] << 2) & 0xff)
-    multiplied_lane[4] ^= ((lane[4] >> 3) & 0xff)
-    multiplied_lane[5] ^= ((lane[5] << 3) & 0xff)
-
-    return multiplied_lane
-
-def _multiplyM2(lane):
-    multiplied_lane = [lane[(byte-2) % 8] for byte in range(0, 8)]
-
-    multiplied_lane[2] ^= ((lane[5] << 2) & 0xff)
-    multiplied_lane[3] ^= ((lane[6] << 2) & 0xff)
-    multiplied_lane[4] ^= ((lane[3] >> 3) & 0xff) ^ ((lane[4] >> 6) & 0xff)
-    multiplied_lane[5] ^= ((lane[5] << 6) & 0xff)
-    multiplied_lane[6] ^= ((lane[5] << 3) & 0xff)
-
-    # binary matrix M1
-    multi_mat_l4_m1 = 0
-    l4 = lane[4]
-    multi_mat_l4_m1 ^= ((l4 & 0x8) >> 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x10) >> 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x20) >> 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x40) >> 3) ^ ((l4 & 0x1) << 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x80) >> 3) ^ ((l4 & 0x2) << 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x04) << 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x08) << 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x10) << 3)
-
-    multiplied_lane[5] ^= multi_mat_l4_m1
-
-    return multiplied_lane
-
-
-def _multiplyM3(lane):
-    multiplied_lane = [lane[(byte-3) % 8] for byte in range(0, 8)]
-
-    multiplied_lane[2] ^= ((lane[4] << 2) & 0xff) ^ ((lane[5] << 5) & 0xff)
-    multiplied_lane[3] ^= ((lane[5] << 2) & 0xff)
-    multiplied_lane[4] ^= ((lane[2] >> 3) & 0xff) ^ ((lane[3] >> 6) & 0xff) ^ ((lane[6] << 2) & 0xff)
-    multiplied_lane[6] ^= ((lane[5] << 6) & 0xff)
-    multiplied_lane[7] ^= ((lane[5] << 3) & 0xff)
-
-    # binary matrix M1
-    multi_mat_l3_m1 = 0
-    l3 = lane[3]
-    multi_mat_l3_m1 ^= ((l3 & 0x8) >> 3)
-    multi_mat_l3_m1 ^= ((l3 & 0x10) >> 3)
-    multi_mat_l3_m1 ^= ((l3 & 0x20) >> 3)
-    multi_mat_l3_m1 ^= ((l3 & 0x40) >> 3) ^ ((l3 & 0x1) << 3)
-    multi_mat_l3_m1 ^= ((l3 & 0x80) >> 3) ^ ((l3 & 0x2) << 3)
-    multi_mat_l3_m1 ^= ((l3 & 0x04) << 3)
-    multi_mat_l3_m1 ^= ((l3 & 0x08) << 3)
-    multi_mat_l3_m1 ^= ((l3 & 0x10) << 3)
-
-    # binary matrix M1
-    multi_mat_l4_m1 = 0
-    l4 = lane[4]
-    multi_mat_l4_m1 ^= ((l4 & 0x8) >> 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x10) >> 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x20) >> 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x40) >> 3) ^ ((l4 & 0x1) << 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x80) >> 3) ^ ((l4 & 0x2) << 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x04) << 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x08) << 3)
-    multi_mat_l4_m1 ^= ((l4 & 0x10) << 3)
-
-    # binary matrix M2
-    multi_mat_l4_m2 = 0
-    l4 = lane[4]
-    multi_mat_l4_m2 ^= ((l4 & 0x40) >> 6)
-    multi_mat_l4_m2 ^= ((l4 & 0x80) >> 6)
-    multi_mat_l4_m2 ^= (l4 & 0x08)
-    multi_mat_l4_m2 ^= (l4 & 0x10)
-    multi_mat_l4_m2 ^= (l4 & 0x20)
-    multi_mat_l4_m2 ^= (l4 & 0x40) ^ ((l4 & 0x1) << 6)
-    multi_mat_l4_m2 ^= (l4 & 0x80) ^ ((l4 & 0x2) << 6)
-
-
-    multiplied_lane[5] ^= multi_mat_l3_m1 ^ multi_mat_l4_m2
-    multiplied_lane[6] ^= multi_mat_l4_m1
-
-    return multiplied_lane
-
-
-def _multiplyMR(lane):
-    multiplied_lane = [lane[(byte+1) % 8] for byte in range(0, 8)]
-
-    multiplied_lane[2] ^= ((lane[4] >> 3) & 0xff)
-    multiplied_lane[4] ^= ((lane[6] << 3) & 0xff)
-    multiplied_lane[5] ^= ((lane[3] << 2) & 0xff)
-
-    return multiplied_lane
-
-
-def _multiplyMR2(lane):
-    multiplied_lane = [lane[(byte+2) % 8] for byte in range(0, 8)]
-
-    multiplied_lane[1] ^= ((lane[4] >> 3) & 0xff)
-    multiplied_lane[2] ^= ((lane[5] >> 3) & 0xff)
-    multiplied_lane[3] ^= ((lane[6] << 3) & 0xff)
-    multiplied_lane[4] ^= ((lane[3] << 2) & 0xff) ^ ((lane[7] << 3) & 0xff)
-    multiplied_lane[5] ^= ((lane[4] << 2) & 0xff)
-
-
-    # binary matrix m3
-    multi_mat_l6_m3 = 0
-    l6 = lane[6]
-    multi_mat_l6_m3 ^= (l6 & 0x1)
-    multi_mat_l6_m3 ^= (l6 & 0x2)
-    multi_mat_l6_m3 ^= (l6 & 0x4)
-    multi_mat_l6_m3 ^= (l6 & 0x8)
-    multi_mat_l6_m3 ^= (l6 & 0x10)
-
-
-    multiplied_lane[2] ^= multi_mat_l6_m3
-
-    return multiplied_lane
-
-def _multiplyMR3(lane):
-    multiplied_lane = [lane[(byte+3) % 8] for byte in range(0, 8)]
-
-    multiplied_lane[0] ^= ((lane[4] >> 3) & 0xff)
-    multiplied_lane[1] ^= ((lane[5] >> 3) & 0xff)
-    multiplied_lane[3] ^= ((lane[3] << 2) & 0xff) ^ ((lane[7] << 3) & 0xff)
-    multiplied_lane[4] ^= ((lane[0] << 3) & 0xff) ^ ((lane[4] << 2) & 0xff)
-    multiplied_lane[5] ^= ((lane[5] << 2) & 0xff) ^ ((lane[6] << 5) & 0xff)
-
-    # binary matrix m3
-    multi_mat_l6_m3 = 0
-    l6 = lane[6]
-    multi_mat_l6_m3 ^= (l6 & 0x1)
-    multi_mat_l6_m3 ^= (l6 & 0x2)
-    multi_mat_l6_m3 ^= (l6 & 0x4)
-    multi_mat_l6_m3 ^= (l6 & 0x8)
-    multi_mat_l6_m3 ^= (l6 & 0x10)
-
-    # binary matrix m3
-    multi_mat_l7_m3 = 0
-    l7 = lane[7]
-    multi_mat_l7_m3 ^= (l7 & 0x1)
-    multi_mat_l7_m3 ^= (l7 & 0x2)
-    multi_mat_l7_m3 ^= (l7 & 0x4)
-    multi_mat_l7_m3 ^= (l7 & 0x8)
-    multi_mat_l7_m3 ^= (l7 & 0x10)
-
-    # binary matrix m4
-    multi_mat_l3_m4 = 0
-    l3 = lane[3]
-    multi_mat_l3_m4 ^= ((l3 & 0x2) >> 1)
-    multi_mat_l3_m4 ^= ((l3 & 0x4) >> 1)
-    multi_mat_l3_m4 ^= ((l3 & 0x8) >> 1)
-    multi_mat_l3_m4 ^= ((l3 & 0x10) >> 1)
-    multi_mat_l3_m4 ^= ((l3 & 0x20) >> 1)
-
-    # binary matrix m1 for MR
-    multi_mat_l6_m1 = 0
-    l6 = lane[6]
-    multi_mat_l6_m1 ^= ((l6 & 0x8) >> 3)
-    multi_mat_l6_m1 ^= ((l6 & 0x10) >> 3)
-    multi_mat_l6_m1 ^= ((l6 & 0x20) >> 3)
-    multi_mat_l6_m1 ^= ((l6 & 0x40) >> 3) ^ ((l6 & 0x1) << 3)
-    multi_mat_l6_m1 ^= ((l6 & 0x80) >> 3) ^ ((l6 & 0x2) << 3)
-    multi_mat_l6_m1 ^= ((l6 & 0x4) << 3)
-    multi_mat_l6_m1 ^= ((l6 & 0x8) << 3)
-    multi_mat_l6_m1 ^= ((l6 & 0x10) << 3)
-
-
-    multiplied_lane[1] ^= multi_mat_l6_m3
-    multiplied_lane[2] ^= multi_mat_l3_m4 ^ multi_mat_l6_m1 ^ multi_mat_l7_m3
-
-    return multiplied_lane
-
-
-ALPHAS = (
-    list,                       # Identity.
-    _multiplyM,
-    _multiplyM2,
-    _multiplyM3,
-    _multiplyMR,
-    _multiplyMR2,
-    _multiplyMR3
-)