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29 lines
2.4 KiB
29 lines
2.4 KiB
13 years ago
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#!/usr/bin/python
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target = [[60,53,84,138,217,94,88,23,39,242,219,35,12,157,165,181,255,143,83,247,162,16,31,209,190,171,115,65,38,41,21,245,236,46,121,62,166,233,44,154,153,145,230,49,128,216,173,29,241,119,64,229,194,103,131,110,26,197,218,59,204,56,27,34,141,221,149,239,192,195,24,155,170,183,11,254,213,37,137,226,75,203,55,19,72,248,22,129,33,175,178,10,198,71,77,36,113,167,48,2,117,140,142,66,199,232,243,32,123,54,51,82,57,177,87,251,150,196,133,5,253,130,8,184,14,152,231,3,186,159,76,89,228,205,156,96,163,146,18,91,132,85,80,109,172,176,105,13,50,235,127,0,189,95,98,136,250,200,108,179,211,214,106,168,78,79,74,210,30,73,201,151,208,114,101,174,92,52,120,240,15,169,220,182,81,224,43,185,40,99,180,17,212,158,42,90,9,191,45,6,25,4,222,67,126,1,116,124,206,69,61,7,68,97,202,63,244,20,28,58,93,134,104,144,227,147,102,118,135,148,47,238,86,112,122,70,107,215,100,139,223,225,164,237,111,125,207,160,187,246,234,161,188,193,249,252],[151,205,99,127,201,119,199,211,122,196,91,74,12,147,124,180,21,191,138,83,217,30,86,7,70,200,56,62,218,47,168,22,107,88,63,11,95,77,28,8,188,29,194,186,38,198,33,230,98,43,148,110,177,1,109,82,61,112,219,59,0,210,35,215,50,27,103,203,212,209,235,93,84,169,166,80,130,94,164,165,142,184,111,18,2,141,232,114,6,131,195,139,176,220,5,153,135,213,154,189,238,174,226,53,222,146,162,236,158,143,55,244,233,96,173,26,206,100,227,49,178,34,234,108,207,245,204,150,44,87,121,54,140,118,221,228,155,78,3,239,101,64,102,17,223,41,137,225,229,66,116,171,125,40,39,71,134,13,193,129,247,251,20,136,242,14,36,97,163,181,72,25,144,46,175,89,145,113,90,159,190,15,183,73,123,187,128,248,252,152,24,197,68,253,52,69,117,57,92,104,157,170,214,81,60,133,208,246,172,23,167,160,192,76,161,237,45,4,58,10,182,65,202,240,185,241,79,224,132,51,42,126,105,37,250,149,32,243,231,67,179,48,9,106,216,31,249,19,85,254,156,115,255,120,75,16]]
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KEY = "foobar!"
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import struct
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import hashlib
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import string
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def get_table(key):
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m = hashlib.md5()
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m.update(key)
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s = m.digest()
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(a, b) = struct.unpack('<QQ', s)
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table = [c for c in string.maketrans('', '')]
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for i in xrange(1, 1024):
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table.sort(lambda x, y: int(a % (ord(x) + i) - a % (ord(y) + i)))
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return table
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encrypt_table = ''.join(get_table(KEY))
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decrypt_table = string.maketrans(encrypt_table, string.maketrans('', ''))
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for i in range(0, 256):
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assert(target[0][i] == ord(encrypt_table[i]))
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assert(target[1][i] == ord(decrypt_table[i]))
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print 'test passed'
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