Файл stribog.py:
#!/usr/bin/python
# -"- coding: UTF-8 -"-
class entry:
"""Вычисление хэш-функции по алгоритму ГОСТ 34.11-2012"""
def __init__(self):
pass
def XOR (self, A, B):
return [a^b for a, b in zip(A, B)]
def plus (self, A, B):
result = [0]*64
i, remain = 63, 0
while(i >= 0):
s = A[i] + B[i] + remain
remain = (s >> 8) if s >= 256 else 0
result[i] = s & 0xFF
i -= 1
return result
def P (self, A):
tau = ( \
0, 8, 16, 24, 32, 40, 48, 56, \
1, 9, 17, 25, 33, 41, 49, 57, \
2, 10, 18, 26, 34, 42, 50, 58, \
3, 11, 19, 27, 35, 43, 51, 59, \
4, 12, 20, 28, 36, 44, 52, 60, \
5, 13, 21, 29, 37, 45, 53, 61, \
6, 14, 22, 30, 38, 46, 54, 62, \
7, 15, 23, 31, 39, 47, 55, 63)
result = [0]*64
for i in xrange(0, 64):
result[i] = A[tau[i]]
return result
def S (self, A):
Pi = ( \
252, 238, 221, 17, 207, 110, 49, 22, 251, 196, 250, \
218, 35, 197, 4, 77, 233, 119, 240, 219, 147, 46, \
153, 186, 23, 54, 241, 187, 20, 205, 95, 193, 249, \
24, 101, 90, 226, 92, 239, 33, 129, 28, 60, 66, \
139, 1, 142, 79, 5, 132, 2, 174, 227, 106, 143, \
160, 6, 11, 237, 152, 127, 212, 211, 31, 235, 52, \
44, 81, 234, 200, 72, 171, 242, 42, 104, 162, 253, \
58, 206, 204, 181, 112, 14, 86, 8, 12, 118, 18, \
191, 114, 19, 71, 156, 183, 93, 135, 21, 161, 150, \
41, 16, 123, 154, 199, 243, 145, 120, 111, 157, 158, \
178, 177, 50, 117, 25, 61, 255, 53, 138, 126, 109, \
84, 198, 128, 195, 189, 13, 87, 223, 245, 36, 169, \
62, 168, 67, 201, 215, 121, 214, 246, 124, 34, 185, \
3, 224, 15, 236, 222, 122, 148, 176, 188, 220, 232, \
40, 80, 78, 51, 10, 74, 167, 151, 96, 115, 30, \
0, 98, 68, 26, 184, 56, 130, 100, 159, 38, 65, \
173, 69, 70, 146, 39, 94, 85, 47, 140, 163, 165, \
125, 105, 213, 149, 59, 7, 88, 179, 64, 134, 172, \
29, 247, 48, 55, 107, 228, 136, 217, 231, 137, 225, \
27, 131, 73, 76, 63, 248, 254, 141, 83, 170, 144, \
202, 216, 133, 97, 32, 113, 103, 164, 45, 43, 9, \
91, 203, 155, 37, 208, 190, 229, 108, 82, 89, 166, \
116, 210, 230, 244, 180, 192, 209, 102, 175, 194, 57, \
75, 99, 182)
result = [0]*64
for i in xrange(0, 64):
result[i] = Pi[A[i]]
return result
def L (self, A):
l = ( \
0x8e, 0x20, 0xfa, 0xa7, 0x2b, 0xa0, 0xb4, 0x70, \
0x47, 0x10, 0x7d, 0xdd, 0x9b, 0x50, 0x5a, 0x38, \
0xad, 0x08, 0xb0, 0xe0, 0xc3, 0x28, 0x2d, 0x1c, \
0xd8, 0x04, 0x58, 0x70, 0xef, 0x14, 0x98, 0x0e, \
0x6c, 0x02, 0x2c, 0x38, 0xf9, 0x0a, 0x4c, 0x07, \
0x36, 0x01, 0x16, 0x1c, 0xf2, 0x05, 0x26, 0x8d, \
0x1b, 0x8e, 0x0b, 0x0e, 0x79, 0x8c, 0x13, 0xc8, \
0x83, 0x47, 0x8b, 0x07, 0xb2, 0x46, 0x87, 0x64, \
\
0xa0, 0x11, 0xd3, 0x80, 0x81, 0x8e, 0x8f, 0x40, \
0x50, 0x86, 0xe7, 0x40, 0xce, 0x47, 0xc9, 0x20, \
0x28, 0x43, 0xfd, 0x20, 0x67, 0xad, 0xea, 0x10, \
0x14, 0xaf, 0xf0, 0x10, 0xbd, 0xd8, 0x75, 0x08, \
0x0a, 0xd9, 0x78, 0x08, 0xd0, 0x6c, 0xb4, 0x04, \
0x05, 0xe2, 0x3c, 0x04, 0x68, 0x36, 0x5a, 0x02, \
0x8c, 0x71, 0x1e, 0x02, 0x34, 0x1b, 0x2d, 0x01, \
0x46, 0xb6, 0x0f, 0x01, 0x1a, 0x83, 0x98, 0x8e, \
\
0x90, 0xda, 0xb5, 0x2a, 0x38, 0x7a, 0xe7, 0x6f, \
0x48, 0x6d, 0xd4, 0x15, 0x1c, 0x3d, 0xfd, 0xb9, \
0x24, 0xb8, 0x6a, 0x84, 0x0e, 0x90, 0xf0, 0xd2, \
0x12, 0x5c, 0x35, 0x42, 0x07, 0x48, 0x78, 0x69, \
0x09, 0x2e, 0x94, 0x21, 0x8d, 0x24, 0x3c, 0xba, \
0x8a, 0x17, 0x4a, 0x9e, 0xc8, 0x12, 0x1e, 0x5d, \
0x45, 0x85, 0x25, 0x4f, 0x64, 0x09, 0x0f, 0xa0, \
0xac, 0xcc, 0x9c, 0xa9, 0x32, 0x8a, 0x89, 0x50, \
\
0x9d, 0x4d, 0xf0, 0x5d, 0x5f, 0x66, 0x14, 0x51, \
0xc0, 0xa8, 0x78, 0xa0, 0xa1, 0x33, 0x0a, 0xa6, \
0x60, 0x54, 0x3c, 0x50, 0xde, 0x97, 0x05, 0x53, \
0x30, 0x2a, 0x1e, 0x28, 0x6f, 0xc5, 0x8c, 0xa7, \
0x18, 0x15, 0x0f, 0x14, 0xb9, 0xec, 0x46, 0xdd, \
0x0c, 0x84, 0x89, 0x0a, 0xd2, 0x76, 0x23, 0xe0, \
0x06, 0x42, 0xca, 0x05, 0x69, 0x3b, 0x9f, 0x70, \
0x03, 0x21, 0x65, 0x8c, 0xba, 0x93, 0xc1, 0x38, \
\
0x86, 0x27, 0x5d, 0xf0, 0x9c, 0xe8, 0xaa, 0xa8, \
0x43, 0x9d, 0xa0, 0x78, 0x4e, 0x74, 0x55, 0x54, \
0xaf, 0xc0, 0x50, 0x3c, 0x27, 0x3a, 0xa4, 0x2a, \
0xd9, 0x60, 0x28, 0x1e, 0x9d, 0x1d, 0x52, 0x15, \
0xe2, 0x30, 0x14, 0x0f, 0xc0, 0x80, 0x29, 0x84, \
0x71, 0x18, 0x0a, 0x89, 0x60, 0x40, 0x9a, 0x42, \
0xb6, 0x0c, 0x05, 0xca, 0x30, 0x20, 0x4d, 0x21, \
0x5b, 0x06, 0x8c, 0x65, 0x18, 0x10, 0xa8, 0x9e, \
\
0x45, 0x6c, 0x34, 0x88, 0x7a, 0x38, 0x05, 0xb9, \
0xac, 0x36, 0x1a, 0x44, 0x3d, 0x1c, 0x8c, 0xd2, \
0x56, 0x1b, 0x0d, 0x22, 0x90, 0x0e, 0x46, 0x69, \
0x2b, 0x83, 0x88, 0x11, 0x48, 0x07, 0x23, 0xba, \
0x9b, 0xcf, 0x44, 0x86, 0x24, 0x8d, 0x9f, 0x5d, \
0xc3, 0xe9, 0x22, 0x43, 0x12, 0xc8, 0xc1, 0xa0, \
0xef, 0xfa, 0x11, 0xaf, 0x09, 0x64, 0xee, 0x50, \
0xf9, 0x7d, 0x86, 0xd9, 0x8a, 0x32, 0x77, 0x28, \
\
0xe4, 0xfa, 0x20, 0x54, 0xa8, 0x0b, 0x32, 0x9c, \
0x72, 0x7d, 0x10, 0x2a, 0x54, 0x8b, 0x19, 0x4e, \
0x39, 0xb0, 0x08, 0x15, 0x2a, 0xcb, 0x82, 0x27, \
0x92, 0x58, 0x04, 0x84, 0x15, 0xeb, 0x41, 0x9d, \
0x49, 0x2c, 0x02, 0x42, 0x84, 0xfb, 0xae, 0xc0, \
0xaa, 0x16, 0x01, 0x21, 0x42, 0xf3, 0x57, 0x60, \
0x55, 0x0b, 0x8e, 0x9e, 0x21, 0xf7, 0xa5, 0x30, \
0xa4, 0x8b, 0x47, 0x4f, 0x9e, 0xf5, 0xdc, 0x18, \
\
0x70, 0xa6, 0xa5, 0x6e, 0x24, 0x40, 0x59, 0x8e, \
0x38, 0x53, 0xdc, 0x37, 0x12, 0x20, 0xa2, 0x47, \
0x1c, 0xa7, 0x6e, 0x95, 0x09, 0x10, 0x51, 0xad, \
0x0e, 0xdd, 0x37, 0xc4, 0x8a, 0x08, 0xa6, 0xd8, \
0x07, 0xe0, 0x95, 0x62, 0x45, 0x04, 0x53, 0x6c, \
0x8d, 0x70, 0xc4, 0x31, 0xac, 0x02, 0xa7, 0x36, \
0xc8, 0x38, 0x62, 0x96, 0x56, 0x01, 0xdd, 0x1b, \
0x64, 0x1c, 0x31, 0x4b, 0x2b, 0x8e, 0xe0, 0x83)
result = [0]*64
i = 7
while(i >= 0):
n = 0
while(n <= 7):
p = 63
j = 7
while(j >= 0):
k = 0
while(k <= 7):
if ((A[i*8+j]>>k) & 1):
result[i*8+n] ^= l[p*8+n]
p-=1
k+=1
j-=1
n+=1
i-=1
return result
def X (self, K, A):
return self.XOR(K, A)
def LPS (self, A):
return self.L(self.P(self.S(A)))
def E (self, K, M):
C = ( \
(0xb1, 0x08, 0x5b, 0xda, 0x1e, 0xca, 0xda, 0xe9, 0xeb, 0xcb, 0x2f, 0x81, 0xc0, 0x65, 0x7c, 0x1f, \
0x2f, 0x6a, 0x76, 0x43, 0x2e, 0x45, 0xd0, 0x16, 0x71, 0x4e, 0xb8, 0x8d, 0x75, 0x85, 0xc4, 0xfc, \
0x4b, 0x7c, 0xe0, 0x91, 0x92, 0x67, 0x69, 0x01, 0xa2, 0x42, 0x2a, 0x08, 0xa4, 0x60, 0xd3, 0x15, \
0x05, 0x76, 0x74, 0x36, 0xcc, 0x74, 0x4d, 0x23, 0xdd, 0x80, 0x65, 0x59, 0xf2, 0xa6, 0x45, 0x07), \
\
(0x6f, 0xa3, 0xb5, 0x8a, 0xa9, 0x9d, 0x2f, 0x1a, 0x4f, 0xe3, 0x9d, 0x46, 0x0f, 0x70, 0xb5, 0xd7, \
0xf3, 0xfe, 0xea, 0x72, 0x0a, 0x23, 0x2b, 0x98, 0x61, 0xd5, 0x5e, 0x0f, 0x16, 0xb5, 0x01, 0x31, \
0x9a, 0xb5, 0x17, 0x6b, 0x12, 0xd6, 0x99, 0x58, 0x5c, 0xb5, 0x61, 0xc2, 0xdb, 0x0a, 0xa7, 0xca, \
0x55, 0xdd, 0xa2, 0x1b, 0xd7, 0xcb, 0xcd, 0x56, 0xe6, 0x79, 0x04, 0x70, 0x21, 0xb1, 0x9b, 0xb7), \
\
(0xf5, 0x74, 0xdc, 0xac, 0x2b, 0xce, 0x2f, 0xc7, 0x0a, 0x39, 0xfc, 0x28, 0x6a, 0x3d, 0x84, 0x35, \
0x06, 0xf1, 0x5e, 0x5f, 0x52, 0x9c, 0x1f, 0x8b, 0xf2, 0xea, 0x75, 0x14, 0xb1, 0x29, 0x7b, 0x7b, \
0xd3, 0xe2, 0x0f, 0xe4, 0x90, 0x35, 0x9e, 0xb1, 0xc1, 0xc9, 0x3a, 0x37, 0x60, 0x62, 0xdb, 0x09, \
0xc2, 0xb6, 0xf4, 0x43, 0x86, 0x7a, 0xdb, 0x31, 0x99, 0x1e, 0x96, 0xf5, 0x0a, 0xba, 0x0a, 0xb2), \
\
(0xef, 0x1f, 0xdf, 0xb3, 0xe8, 0x15, 0x66, 0xd2, 0xf9, 0x48, 0xe1, 0xa0, 0x5d, 0x71, 0xe4, 0xdd, \
0x48, 0x8e, 0x85, 0x7e, 0x33, 0x5c, 0x3c, 0x7d, 0x9d, 0x72, 0x1c, 0xad, 0x68, 0x5e, 0x35, 0x3f, \
0xa9, 0xd7, 0x2c, 0x82, 0xed, 0x03, 0xd6, 0x75, 0xd8, 0xb7, 0x13, 0x33, 0x93, 0x52, 0x03, 0xbe, \
0x34, 0x53, 0xea, 0xa1, 0x93, 0xe8, 0x37, 0xf1, 0x22, 0x0c, 0xbe, 0xbc, 0x84, 0xe3, 0xd1, 0x2e), \
\
(0x4b, 0xea, 0x6b, 0xac, 0xad, 0x47, 0x47, 0x99, 0x9a, 0x3f, 0x41, 0x0c, 0x6c, 0xa9, 0x23, 0x63, \
0x7f, 0x15, 0x1c, 0x1f, 0x16, 0x86, 0x10, 0x4a, 0x35, 0x9e, 0x35, 0xd7, 0x80, 0x0f, 0xff, 0xbd, \
0xbf, 0xcd, 0x17, 0x47, 0x25, 0x3a, 0xf5, 0xa3, 0xdf, 0xff, 0x00, 0xb7, 0x23, 0x27, 0x1a, 0x16, \
0x7a, 0x56, 0xa2, 0x7e, 0xa9, 0xea, 0x63, 0xf5, 0x60, 0x17, 0x58, 0xfd, 0x7c, 0x6c, 0xfe, 0x57), \
\
(0xae, 0x4f, 0xae, 0xae, 0x1d, 0x3a, 0xd3, 0xd9, 0x6f, 0xa4, 0xc3, 0x3b, 0x7a, 0x30, 0x39, 0xc0, \
0x2d, 0x66, 0xc4, 0xf9, 0x51, 0x42, 0xa4, 0x6c, 0x18, 0x7f, 0x9a, 0xb4, 0x9a, 0xf0, 0x8e, 0xc6, \
0xcf, 0xfa, 0xa6, 0xb7, 0x1c, 0x9a, 0xb7, 0xb4, 0x0a, 0xf2, 0x1f, 0x66, 0xc2, 0xbe, 0xc6, 0xb6, \
0xbf, 0x71, 0xc5, 0x72, 0x36, 0x90, 0x4f, 0x35, 0xfa, 0x68, 0x40, 0x7a, 0x46, 0x64, 0x7d, 0x6e), \
\
(0xf4, 0xc7, 0x0e, 0x16, 0xee, 0xaa, 0xc5, 0xec, 0x51, 0xac, 0x86, 0xfe, 0xbf, 0x24, 0x09, 0x54, \
0x39, 0x9e, 0xc6, 0xc7, 0xe6, 0xbf, 0x87, 0xc9, 0xd3, 0x47, 0x3e, 0x33, 0x19, 0x7a, 0x93, 0xc9, \
0x09, 0x92, 0xab, 0xc5, 0x2d, 0x82, 0x2c, 0x37, 0x06, 0x47, 0x69, 0x83, 0x28, 0x4a, 0x05, 0x04, \
0x35, 0x17, 0x45, 0x4c, 0xa2, 0x3c, 0x4a, 0xf3, 0x88, 0x86, 0x56, 0x4d, 0x3a, 0x14, 0xd4, 0x93), \
\
(0x9b, 0x1f, 0x5b, 0x42, 0x4d, 0x93, 0xc9, 0xa7, 0x03, 0xe7, 0xaa, 0x02, 0x0c, 0x6e, 0x41, 0x41, \
0x4e, 0xb7, 0xf8, 0x71, 0x9c, 0x36, 0xde, 0x1e, 0x89, 0xb4, 0x44, 0x3b, 0x4d, 0xdb, 0xc4, 0x9a, \
0xf4, 0x89, 0x2b, 0xcb, 0x92, 0x9b, 0x06, 0x90, 0x69, 0xd1, 0x8d, 0x2b, 0xd1, 0xa5, 0xc4, 0x2f, \
0x36, 0xac, 0xc2, 0x35, 0x59, 0x51, 0xa8, 0xd9, 0xa4, 0x7f, 0x0d, 0xd4, 0xbf, 0x02, 0xe7, 0x1e), \
\
(0x37, 0x8f, 0x5a, 0x54, 0x16, 0x31, 0x22, 0x9b, 0x94, 0x4c, 0x9a, 0xd8, 0xec, 0x16, 0x5f, 0xde, \
0x3a, 0x7d, 0x3a, 0x1b, 0x25, 0x89, 0x42, 0x24, 0x3c, 0xd9, 0x55, 0xb7, 0xe0, 0x0d, 0x09, 0x84, \
0x80, 0x0a, 0x44, 0x0b, 0xdb, 0xb2, 0xce, 0xb1, 0x7b, 0x2b, 0x8a, 0x9a, 0xa6, 0x07, 0x9c, 0x54, \
0x0e, 0x38, 0xdc, 0x92, 0xcb, 0x1f, 0x2a, 0x60, 0x72, 0x61, 0x44, 0x51, 0x83, 0x23, 0x5a, 0xdb), \
\
(0xab, 0xbe, 0xde, 0xa6, 0x80, 0x05, 0x6f, 0x52, 0x38, 0x2a, 0xe5, 0x48, 0xb2, 0xe4, 0xf3, 0xf3, \
0x89, 0x41, 0xe7, 0x1c, 0xff, 0x8a, 0x78, 0xdb, 0x1f, 0xff, 0xe1, 0x8a, 0x1b, 0x33, 0x61, 0x03, \
0x9f, 0xe7, 0x67, 0x02, 0xaf, 0x69, 0x33, 0x4b, 0x7a, 0x1e, 0x6c, 0x30, 0x3b, 0x76, 0x52, 0xf4, \
0x36, 0x98, 0xfa, 0xd1, 0x15, 0x3b, 0xb6, 0xc3, 0x74, 0xb4, 0xc7, 0xfb, 0x98, 0x45, 0x9c, 0xed), \
\
(0x7b, 0xcd, 0x9e, 0xd0, 0xef, 0xc8, 0x89, 0xfb, 0x30, 0x02, 0xc6, 0xcd, 0x63, 0x5a, 0xfe, 0x94, \
0xd8, 0xfa, 0x6b, 0xbb, 0xeb, 0xab, 0x07, 0x61, 0x20, 0x01, 0x80, 0x21, 0x14, 0x84, 0x66, 0x79, \
0x8a, 0x1d, 0x71, 0xef, 0xea, 0x48, 0xb9, 0xca, 0xef, 0xba, 0xcd, 0x1d, 0x7d, 0x47, 0x6e, 0x98, \
0xde, 0xa2, 0x59, 0x4a, 0xc0, 0x6f, 0xd8, 0x5d, 0x6b, 0xca, 0xa4, 0xcd, 0x81, 0xf3, 0x2d, 0x1b), \
\
(0x37, 0x8e, 0xe7, 0x67, 0xf1, 0x16, 0x31, 0xba, 0xd2, 0x13, 0x80, 0xb0, 0x04, 0x49, 0xb1, 0x7a, \
0xcd, 0xa4, 0x3c, 0x32, 0xbc, 0xdf, 0x1d, 0x77, 0xf8, 0x20, 0x12, 0xd4, 0x30, 0x21, 0x9f, 0x9b, \
0x5d, 0x80, 0xef, 0x9d, 0x18, 0x91, 0xcc, 0x86, 0xe7, 0x1d, 0xa4, 0xaa, 0x88, 0xe1, 0x28, 0x52, \
0xfa, 0xf4, 0x17, 0xd5, 0xd9, 0xb2, 0x1b, 0x99, 0x48, 0xbc, 0x92, 0x4a, 0xf1, 0x1b, 0xd7, 0x20))
result = self.X(K, M)
i = 0
while(i < 12):
result = self.LPS(result)
K = self.XOR(K, C[i])
K = self.LPS(K)
result = self.X(K, result)
i+=1
return result
def g (self, N, h, m):
result = self.XOR(h, N)
result = self.LPS(result)
result = self.E(result, m)
result = self.XOR(result, h)
result = self.XOR(result, m)
return result
def FromString (self, string, hashtype):
h = [1 if hashtype == 256 else 0]*64
e = [0]*64
N = [0]*64
Z = [0]*64
m = [0]*64
start = 0
while start + 64 <= len(string):
for i in xrange(0, 64):
m[63-i] = ord(string[start+i])
h = self.g(N, h, m)
e[62] = (512 >> 8);
e[63] = (512 & 0xFF);
N = self.plus(N, e);
Z = self.plus(Z, m);
start += 64
sz = len(string)-start
m = [0]*64
for i in xrange(0, sz):
m[63-i] = ord(string[start+i])
m[64-sz-1] = 1
h = self.g(N, h, m)
e[62] = (sz*8)>>8
e[63] = (sz*8)&0xFF
N = self.plus(N, e)
Z = self.plus(Z, m)
e[62] = 0
e[63] = 0
h = self.g(e, h, N)
h = self.g(e, h, Z)
return ''.join(reversed([('%0.2X' % a) for a in h][:(32 if hashtype == 256 else 64)]))
Пользоваться этим просто:
#!/usr/bin/python
# -"- coding: UTF-8 -"-
import stribog
print "test 1"
print stribog.entry().FromString('012345678901234567890123456789012345678901234567890123456789012', 512)
print stribog.entry().FromString('012345678901234567890123456789012345678901234567890123456789012', 256)
print "test 2"
print stribog.entry().FromString(open('stribog_test2.txt').read(), 512)
print stribog.entry().FromString(open('stribog_test2.txt').read(), 256)
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