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pc_functions.py
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def L(key: str) -> list: # L(t)
n = None
e = []
for i in range(len(key) >> 2):
e.append(0)
n = 0
for n in range(0, 8 * len(key), 8):
try:
e[n >> 5] |= (255 & ord(key[n // 8])) << (n % 32)
except:
e.append(0)
e[n >> 5] |= (255 & ord(key[n // 8])) << (n % 32)
return e
## START XOR funcs ##
def O(t, n):
if t is None:
return n
t = t & 0xFFFFFFFF
n = n & 0xFFFFFFFF
e = (t & 0xFFFF) + (n & 0xFFFF)
upper = ((t >> 16) + (n >> 16) + (e >> 16)) & 0xFFFF
result = (upper << 16) | (e & 0xFFFF)
if result >= 0x80000000:
result -= 0x100000000
return result
def j(t, n):
t = t & 0xFFFFFFFF
result = ((t << n) | (t >> (32 - n))) & 0xFFFFFFFF
if result >= 0x80000000:
result -= 0x100000000
return result
def N(t, n, e, r, o, i):
return O(j(O(O(n, t), O(r, i)), o), e)
def P(t, n, e, r, o, i, a):
_c = (n & e | ~n & r)
return N(_c, t, n, o, i, a)
def R(t, n, e, r, o, i, a):
_abc = (n & r | e & ~r)
return N(_abc, t, n, o, i, a)
def _(t, n, e, r, o, i, a):
return N(n ^ e ^ r, t, n, o, i, a)
def F(t, n, e, r, o, i, a):
return N(e ^ (n | ~r), t, n, o, i, a)
def G(t):
e = ""
for n in range(0, 32 * len(t), 8):
e += chr((t[n >> 5] >> (n % 32)) & 0xFF)
return e
### END XOR Funcs ###
def U(t: list, n: int) -> list: # Original U(t, n)
try:
t[n >> 5] |= 128 << (n % 32)
except:
t.append(128)
try:
t[14 + ((n + 64) >> 9 << 4)] = n
except IndexError:
for _ab in range(14 + ((n + 64) >> 9 << 4) - len(t) + 1):
t.append(0)
t[14 + ((n + 64) >> 9 << 4)] = n
c = 1732584193
u = -271733879
l = -1732584194
f = 271733878
for e in range(0, len(t), 16):
r = c
o = u
i = l
a = f
c = P(c, u, l, f, t[e], 7, -680876936)
f = P(f, c, u, l, t[e + 1], 12, -389564586)
l = P(l, f, c, u, t[e + 2], 17, 606105819)
u = P(u, l, f, c, t[e + 3], 22, -1044525330)
c = P(c, u, l, f, t[e + 4], 7, -176418897)
f = P(f, c, u, l, t[e + 5], 12, 1200080426)
l = P(l, f, c, u, t[e + 6], 17, -1473231341)
u = P(u, l, f, c, t[e + 7], 22, -45705983)
c = P(c, u, l, f, t[e + 8], 7, 1770035416)
f = P(f, c, u, l, t[e + 9], 12, -1958414417)
l = P(l, f, c, u, t[e + 10], 17, -42063)
u = P(u, l, f, c, t[e + 11], 22, -1990404162)
c = P(c, u, l, f, t[e + 12], 7, 1804603682)
f = P(f, c, u, l, t[e + 13], 12, -40341101)
l = P(l, f, c, u, t[e + 14], 17, -1502002290)
try:
u = P(u, l, f, c, t[e + 15], 22, 1236535329)
except:
u = P(u, l, f, c, None, 22, 1236535329)
c = R(c, u, l, f, t[e + 1], 5, -165796510)
f = R(f, c, u, l, t[e + 6], 9, -1069501632)
l = R(l, f, c, u, t[e + 11], 14, 643717713)
u = R(u, l, f, c, t[e], 20, -373897302)
c = R(c, u, l, f, t[e + 5], 5, -701558691)
f = R(f, c, u, l, t[e + 10], 9, 38016083)
try:
l = R(l, f, c, u, t[e + 15], 14, -660478335)
except:
l = R(l, f, c, u, None, 14, -660478335)
u = R(u, l, f, c, t[e + 4], 20, -405537848)
c = R(c, u, l, f, t[e + 9], 5, 568446438)
f = R(f, c, u, l, t[e + 14], 9, -1019803690)
l = R(l, f, c, u, t[e + 3], 14, -187363961)
u = R(u, l, f, c, t[e + 8], 20, 1163531501)
c = R(c, u, l, f, t[e + 13], 5, -1444681467)
f = R(f, c, u, l, t[e + 2], 9, -51403784)
l = R(l, f, c, u, t[e + 7], 14, 1735328473)
u = R(u, l, f, c, t[e + 12], 20, -1926607734)
c = _(c, u, l, f, t[e + 5], 4, -378558)
f = _(f, c, u, l, t[e + 8], 11, -2022574463)
l = _(l, f, c, u, t[e + 11], 16, 1839030562)
u = _(u, l, f, c, t[e + 14], 23, -35309556)
c = _(c, u, l, f, t[e + 1], 4, -1530992060)
f = _(f, c, u, l, t[e + 4], 11, 1272893353)
l = _(l, f, c, u, t[e + 7], 16, -155497632)
u = _(u, l, f, c, t[e + 10], 23, -1094730640)
c = _(c, u, l, f, t[e + 13], 4, 681279174)
f = _(f, c, u, l, t[e], 11, -358537222)
l = _(l, f, c, u, t[e + 3], 16, -722521979)
u = _(u, l, f, c, t[e + 6], 23, 76029189)
c = _(c, u, l, f, t[e + 9], 4, -640364487)
f = _(f, c, u, l, t[e + 12], 11, -421815835)
try:
l = _(l, f, c, u, t[e + 15], 16, 530742520)
except:
l = _(l, f, c, u, None, 16, 530742520)
u = _(u, l, f, c, t[e + 2], 23, -995338651)
c = F(c, u, l, f, t[e], 6, -198630844)
f = F(f, c, u, l, t[e + 7], 10, 1126891415)
l = F(l, f, c, u, t[e + 14], 15, -1416354905)
u = F(u, l, f, c, t[e + 5], 21, -57434055)
c = F(c, u, l, f, t[e + 12], 6, 1700485571)
f = F(f, c, u, l, t[e + 3], 10, -1894986606)
l = F(l, f, c, u, t[e + 10], 15, -1051523)
u = F(u, l, f, c, t[e + 1], 21, -2054922799)
c = F(c, u, l, f, t[e + 8], 6, 1873313359)
try:
f = F(f, c, u, l, t[e + 15], 10, -30611744)
except:
f = F(f, c, u, l, None, 10, -30611744)
l = F(l, f, c, u, t[e + 6], 15, -1560198380)
u = F(u, l, f, c, t[e + 13], 21, 1309151649)
c = F(c, u, l, f, t[e + 4], 6, -145523070)
f = F(f, c, u, l, t[e + 11], 10, -1120210379)
l = F(l, f, c, u, t[e + 2], 15, 718787259)
u = F(u, l, f, c, t[e + 9], 21, -343485551)
c = O(c, r)
u = O(u, o)
l = O(l, i)
f = O(f, a)
return [c,u,l,f]