/
sosemanuk.py
2229 lines (2178 loc) · 53.3 KB
/
sosemanuk.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from refinery.lib import chunks
from refinery.units.crypto.cipher import Arg, StreamCipherUnit
from refinery.lib.crypto import rotl32
from array import array
class Sosemanuk:
lfsr0: int
lfsr1: int
lfsr2: int
lfsr3: int
lfsr4: int
lfsr5: int
lfsr6: int
lfsr7: int
lfsr8: int
lfsr9: int
fsmR1: int
fsmR2: int
def __init__(self, key: bytearray, nonce: bytearray):
self.mul_alpha = array('I')
self.div_alpha = array('I')
self.serpent24_sub_keys = [0] * 100
expb = bytearray(0x100)
logb = bytearray(0x100)
x = 1
for i in range(0xFF):
expb[i] = x
x <<= 1
if x > 0xFF:
x ^= 0x1A9
expb[0xFF] = 0
assert set(expb) == set(range(0x100))
for i in range(0x100):
logb[expb[i]] = i
self.mul_alpha.append(0x00000000)
self.div_alpha.append(0x00000000)
for x in range(1, 0x100):
ma, da, ex = 0, 0, logb[x]
ma |= expb[(ex + 0x17) % 255] << 0x18
ma |= expb[(ex + 0xF5) % 255] << 0x10
ma |= expb[(ex + 0x30) % 255] << 0x08
ma |= expb[(ex + 0xEF) % 255] << 0x00
da |= expb[(ex + 0x10) % 255] << 0x18
da |= expb[(ex + 0x27) % 255] << 0x10
da |= expb[(ex + 0x06) % 255] << 0x08
da |= expb[(ex + 0x40) % 255] << 0x00
self.mul_alpha.append(ma)
self.div_alpha.append(da)
self._set_secret(key)
self._set_vector(nonce)
def _set_secret(self, key: bytearray):
n = len(key)
if not 1 <= n <= 32:
raise ValueError('bad key length')
lkey = bytearray(32)
lkey[:n] = key
if n < 32:
lkey[n] = 0x01
i = 0
w0, w1, w2, w3, w4, w5, w6, w7 = chunks.unpack(lkey, 4)
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e3779b9
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e3779b8
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e3779bb
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e3779ba
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r4 = r0
r0 |= r3
r3 ^= r1
r1 &= r4
r4 ^= r2
r2 ^= r3
r3 &= r0
r4 |= r1
r3 ^= r4
r0 ^= r1
r4 &= r0
r1 ^= r3
r4 ^= r2
r1 |= r0
r1 ^= r2
r0 ^= r3
r2 = r1
r1 |= r3
r1 ^= r0
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e3779bd
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e3779bc
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e3779bf
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e3779be
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r4 = r0
r0 &= r2
r0 ^= r3
r2 ^= r1
r2 ^= r0
r3 |= r4
r3 ^= r1
r4 ^= r2
r1 = r3
r3 |= r4
r3 ^= r0
r0 &= r1
r4 ^= r0
r1 ^= r3
r1 ^= r4
r4 = ~r4 & 0xFFFFFFFF
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e3779b1
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e3779b0
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e3779b3
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e3779b2
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r0 = ~r0 & 0xFFFFFFFF
r2 = ~r2 & 0xFFFFFFFF
r4 = r0
r0 &= r1
r2 ^= r0
r0 |= r3
r3 ^= r2
r1 ^= r0
r0 ^= r4
r4 |= r1
r1 ^= r3
r2 |= r0
r2 &= r4
r0 ^= r1
r1 &= r2
r1 ^= r0
r0 &= r2
r0 ^= r4
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e3779b5
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e3779b4
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e3779b7
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e3779b6
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r3 ^= r0
r4 = r1
r1 &= r3
r4 ^= r2
r1 ^= r0
r0 |= r3
r0 ^= r4
r4 ^= r3
r3 ^= r2
r2 |= r1
r2 ^= r4
r4 = ~r4 & 0xFFFFFFFF
r4 |= r1
r1 ^= r3
r1 ^= r4
r3 |= r0
r1 ^= r3
r4 ^= r3
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e3779a9
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e3779a8
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e3779ab
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e3779aa
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r4 = r1
r1 |= r2
r1 ^= r3
r4 ^= r2
r2 ^= r1
r3 |= r4
r3 &= r0
r4 ^= r2
r3 ^= r1
r1 |= r4
r1 ^= r0
r0 |= r4
r0 ^= r2
r1 ^= r4
r2 ^= r1
r1 &= r0
r1 ^= r4
r2 = ~r2 & 0xFFFFFFFF
r2 |= r0
r4 ^= r2
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e3779ad
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e3779ac
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e3779af
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e3779ae
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r2 = ~r2 & 0xFFFFFFFF
r4 = r3
r3 &= r0
r0 ^= r4
r3 ^= r2
r2 |= r4
r1 ^= r3
r2 ^= r0
r0 |= r1
r2 ^= r1
r4 ^= r0
r0 |= r3
r0 ^= r2
r4 ^= r3
r4 ^= r0
r3 = ~r3 & 0xFFFFFFFF
r2 &= r4
r2 ^= r3
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e3779a1
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e3779a0
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e3779a3
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e3779a2
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r0 ^= r1
r1 ^= r3
r3 = ~r3 & 0xFFFFFFFF
r4 = r1
r1 &= r0
r2 ^= r3
r1 ^= r2
r2 |= r4
r4 ^= r3
r3 &= r1
r3 ^= r0
r4 ^= r1
r4 ^= r2
r2 ^= r0
r0 &= r3
r2 = ~r2 & 0xFFFFFFFF
r0 ^= r4
r4 |= r3
r2 ^= r4
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e3779a5
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e3779a4
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e3779a7
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e3779a6
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r1 ^= r3
r3 = ~r3 & 0xFFFFFFFF
r2 ^= r3
r3 ^= r0
r4 = r1
r1 &= r3
r1 ^= r2
r4 ^= r3
r0 ^= r4
r2 &= r4
r2 ^= r0
r0 &= r1
r3 ^= r0
r4 |= r1
r4 ^= r0
r0 |= r3
r0 ^= r2
r2 &= r3
r0 = ~r0 & 0xFFFFFFFF
r4 ^= r2
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e377999
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e377998
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e37799b
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e37799a
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r4 = r0
r0 |= r3
r3 ^= r1
r1 &= r4
r4 ^= r2
r2 ^= r3
r3 &= r0
r4 |= r1
r3 ^= r4
r0 ^= r1
r4 &= r0
r1 ^= r3
r4 ^= r2
r1 |= r0
r1 ^= r2
r0 ^= r3
r2 = r1
r1 |= r3
r1 ^= r0
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e37799d
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e37799c
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e37799f
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e37799e
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r4 = r0
r0 &= r2
r0 ^= r3
r2 ^= r1
r2 ^= r0
r3 |= r4
r3 ^= r1
r4 ^= r2
r1 = r3
r3 |= r4
r3 ^= r0
r0 &= r1
r4 ^= r0
r1 ^= r3
r1 ^= r4
r4 = ~r4 & 0xFFFFFFFF
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e377991
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e377990
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e377993
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e377992
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r0 = ~r0 & 0xFFFFFFFF
r2 = ~r2 & 0xFFFFFFFF
r4 = r0
r0 &= r1
r2 ^= r0
r0 |= r3
r3 ^= r2
r1 ^= r0
r0 ^= r4
r4 |= r1
r1 ^= r3
r2 |= r0
r2 &= r4
r0 ^= r1
r1 &= r2
r1 ^= r0
r0 &= r2
r0 ^= r4
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e377995
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e377994
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e377997
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e377996
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r3 ^= r0
r4 = r1
r1 &= r3
r4 ^= r2
r1 ^= r0
r0 |= r3
r0 ^= r4
r4 ^= r3
r3 ^= r2
r2 |= r1
r2 ^= r4
r4 = ~r4 & 0xFFFFFFFF
r4 |= r1
r1 ^= r3
r1 ^= r4
r3 |= r0
r1 ^= r3
r4 ^= r3
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e377989
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e377988
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e37798b
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e37798a
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r4 = r1
r1 |= r2
r1 ^= r3
r4 ^= r2
r2 ^= r1
r3 |= r4
r3 &= r0
r4 ^= r2
r3 ^= r1
r1 |= r4
r1 ^= r0
r0 |= r4
r0 ^= r2
r1 ^= r4
r2 ^= r1
r1 &= r0
r1 ^= r4
r2 = ~r2 & 0xFFFFFFFF
r2 |= r0
r4 ^= r2
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e37798d
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e37798c
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e37798f
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e37798e
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r2 = ~r2 & 0xFFFFFFFF
r4 = r3
r3 &= r0
r0 ^= r4
r3 ^= r2
r2 |= r4
r1 ^= r3
r2 ^= r0
r0 |= r1
r2 ^= r1
r4 ^= r0
r0 |= r3
r0 ^= r2
r4 ^= r3
r4 ^= r0
r3 = ~r3 & 0xFFFFFFFF
r2 &= r4
r2 ^= r3
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e377981
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e377980
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e377983
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e377982
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r0 ^= r1
r1 ^= r3
r3 = ~r3 & 0xFFFFFFFF
r4 = r1
r1 &= r0
r2 ^= r3
r1 ^= r2
r2 |= r4
r4 ^= r3
r3 &= r1
r3 ^= r0
r4 ^= r1
r4 ^= r2
r2 ^= r0
r0 &= r3
r2 = ~r2 & 0xFFFFFFFF
r0 ^= r4
r4 |= r3
r2 ^= r4
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e377985
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e377984
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e377987
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e377986
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r1 ^= r3
r3 = ~r3 & 0xFFFFFFFF
r2 ^= r3
r3 ^= r0
r4 = r1
r1 &= r3
r1 ^= r2
r4 ^= r3
r0 ^= r4
r2 &= r4
r2 ^= r0
r0 &= r1
r3 ^= r0
r4 |= r1
r4 ^= r0
r0 |= r3
r0 ^= r2
r2 &= r3
r0 = ~r0 & 0xFFFFFFFF
r4 ^= r2
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e3779f9
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e3779f8
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e3779fb
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e3779fa
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r4 = r0
r0 |= r3
r3 ^= r1
r1 &= r4
r4 ^= r2
r2 ^= r3
r3 &= r0
r4 |= r1
r3 ^= r4
r0 ^= r1
r4 &= r0
r1 ^= r3
r4 ^= r2
r1 |= r0
r1 ^= r2
r0 ^= r3
r2 = r1
r1 |= r3
r1 ^= r0
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e3779fd
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e3779fc
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e3779ff
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e3779fe
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r4 = r0
r0 &= r2
r0 ^= r3
r2 ^= r1
r2 ^= r0
r3 |= r4
r3 ^= r1
r4 ^= r2
r1 = r3
r3 |= r4
r3 ^= r0
r0 &= r1
r4 ^= r0
r1 ^= r3
r1 ^= r4
r4 = ~r4 & 0xFFFFFFFF
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e3779f1
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e3779f0
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e3779f3
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e3779f2
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r0 = ~r0 & 0xFFFFFFFF
r2 = ~r2 & 0xFFFFFFFF
r4 = r0
r0 &= r1
r2 ^= r0
r0 |= r3
r3 ^= r2
r1 ^= r0
r0 ^= r4
r4 |= r1
r1 ^= r3
r2 |= r0
r2 &= r4
r0 ^= r1
r1 &= r2
r1 ^= r0
r0 &= r2
r0 ^= r4
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e3779f5
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e3779f4
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e3779f7
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e3779f6
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r3 ^= r0
r4 = r1
r1 &= r3
r4 ^= r2
r1 ^= r0
r0 |= r3
r0 ^= r4
r4 ^= r3
r3 ^= r2
r2 |= r1
r2 ^= r4
r4 = ~r4 & 0xFFFFFFFF
r4 |= r1
r1 ^= r3
r1 ^= r4
r3 |= r0
r1 ^= r3
r4 ^= r3
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e3779e9
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e3779e8
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e3779eb
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e3779ea
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r4 = r1
r1 |= r2
r1 ^= r3
r4 ^= r2
r2 ^= r1
r3 |= r4
r3 &= r0
r4 ^= r2
r3 ^= r1
r1 |= r4
r1 ^= r0
r0 |= r4
r0 ^= r2
r1 ^= r4
r2 ^= r1
r1 &= r0
r1 ^= r4
r2 = ~r2 & 0xFFFFFFFF
r2 |= r0
r4 ^= r2
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e3779ed
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e3779ec
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e3779ef
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e3779ee
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r2 = ~r2 & 0xFFFFFFFF
r4 = r3
r3 &= r0
r0 ^= r4
r3 ^= r2
r2 |= r4
r1 ^= r3
r2 ^= r0
r0 |= r1
r2 ^= r1
r4 ^= r0
r0 |= r3
r0 ^= r2
r4 ^= r3
r4 ^= r0
r3 = ~r3 & 0xFFFFFFFF
r2 &= r4
r2 ^= r3
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e3779e1
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e3779e0
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e3779e3
w2 = rotl32(tt, 11)
tt = w3 ^ w6 ^ w0 ^ w2 ^ 0x9e3779e2
w3 = rotl32(tt, 11)
r0 = w0
r1 = w1
r2 = w2
r3 = w3
r0 ^= r1
r1 ^= r3
r3 = ~r3 & 0xFFFFFFFF
r4 = r1
r1 &= r0
r2 ^= r3
r1 ^= r2
r2 |= r4
r4 ^= r3
r3 &= r1
r3 ^= r0
r4 ^= r1
r4 ^= r2
r2 ^= r0
r0 &= r3
r2 = ~r2 & 0xFFFFFFFF
r0 ^= r4
r4 |= r3
r2 ^= r4
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r2
i += 1
tt = w4 ^ w7 ^ w1 ^ w3 ^ 0x9e3779e5
w4 = rotl32(tt, 11)
tt = w5 ^ w0 ^ w2 ^ w4 ^ 0x9e3779e4
w5 = rotl32(tt, 11)
tt = w6 ^ w1 ^ w3 ^ w5 ^ 0x9e3779e7
w6 = rotl32(tt, 11)
tt = w7 ^ w2 ^ w4 ^ w6 ^ 0x9e3779e6
w7 = rotl32(tt, 11)
r0 = w4
r1 = w5
r2 = w6
r3 = w7
r1 ^= r3
r3 = ~r3 & 0xFFFFFFFF
r2 ^= r3
r3 ^= r0
r4 = r1
r1 &= r3
r1 ^= r2
r4 ^= r3
r0 ^= r4
r2 &= r4
r2 ^= r0
r0 &= r1
r3 ^= r0
r4 |= r1
r4 ^= r0
r0 |= r3
r0 ^= r2
r2 &= r3
r0 = ~r0 & 0xFFFFFFFF
r4 ^= r2
self.serpent24_sub_keys[i] = r1
i += 1
self.serpent24_sub_keys[i] = r4
i += 1
self.serpent24_sub_keys[i] = r0
i += 1
self.serpent24_sub_keys[i] = r3
i += 1
tt = w0 ^ w3 ^ w5 ^ w7 ^ 0x9e3779d9
w0 = rotl32(tt, 11)
tt = w1 ^ w4 ^ w6 ^ w0 ^ 0x9e3779d8
w1 = rotl32(tt, 11)
tt = w2 ^ w5 ^ w7 ^ w1 ^ 0x9e3779db