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aria: fix comment on aria_a function
The new version of the comment has been generated by the following python3 script, when the first constant is copy-pasted from RFC 5794 2.4.3. #!/usr/bin/python3 RFC_A = """ y0 = x3 ^ x4 ^ x6 ^ x8 ^ x9 ^ x13 ^ x14, y1 = x2 ^ x5 ^ x7 ^ x8 ^ x9 ^ x12 ^ x15, y2 = x1 ^ x4 ^ x6 ^ x10 ^ x11 ^ x12 ^ x15, y3 = x0 ^ x5 ^ x7 ^ x10 ^ x11 ^ x13 ^ x14, y4 = x0 ^ x2 ^ x5 ^ x8 ^ x11 ^ x14 ^ x15, y5 = x1 ^ x3 ^ x4 ^ x9 ^ x10 ^ x14 ^ x15, y6 = x0 ^ x2 ^ x7 ^ x9 ^ x10 ^ x12 ^ x13, y7 = x1 ^ x3 ^ x6 ^ x8 ^ x11 ^ x12 ^ x13, y8 = x0 ^ x1 ^ x4 ^ x7 ^ x10 ^ x13 ^ x15, y9 = x0 ^ x1 ^ x5 ^ x6 ^ x11 ^ x12 ^ x14, y10 = x2 ^ x3 ^ x5 ^ x6 ^ x8 ^ x13 ^ x15, y11 = x2 ^ x3 ^ x4 ^ x7 ^ x9 ^ x12 ^ x14, y12 = x1 ^ x2 ^ x6 ^ x7 ^ x9 ^ x11 ^ x12, y13 = x0 ^ x3 ^ x6 ^ x7 ^ x8 ^ x10 ^ x13, y14 = x0 ^ x3 ^ x4 ^ x5 ^ x9 ^ x11 ^ x14, y15 = x1 ^ x2 ^ x4 ^ x5 ^ x8 ^ x10 ^ x15. """ matrix = [] for l in RFC_A.split('\n')[1:-1]: rhs = l.split('=')[1][:-1] row = tuple(hex(int(t[2:]))[2:] for t in rhs.split('^')) matrix.append(row) out = {} out['a'] = tuple(''.join(w) for w in zip(*(matrix[0:4]))) out['b'] = tuple(''.join(w) for w in zip(*(matrix[4:8]))) out['c'] = tuple(''.join(w) for w in zip(*(matrix[8:12]))) out['d'] = tuple(''.join(w) for w in zip(*(matrix[12:]))) out2 = {} for o, r in out.items(): row = list(r) for i in range(len(r) - 1): w1 = row[i] if len(set(w1)) == 2: w2 = row[i+1] nw1 = nw2 = '' for j in range(len(w1)): if w1[j] in nw1: nw1 += w2[j] nw2 += w1[j] else: nw1 += w1[j] nw2 += w2[j] row[i] = nw1 row[i+1] = nw2 out2[o] = row for o in 'abcd': print(o, '=', ' + '.join(out[o])) print(' ', '=', ' + '.join(out2[o]))
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@ -190,11 +190,11 @@ static inline uint32_t aria_p3( uint32_t x )
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*
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* a = 3210 + 4545 + 6767 + 88aa + 99bb + dccd + effe
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* = 3210 + 4567 + 6745 + 89ab + 98ba + dcfe + efcd
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* b = 0101 + 2323 + 5476 + 8998 + baab + ecec + ffdd
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* b = 0101 + 2323 + 5476 + 8998 + baab + eecc + ffdd
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* = 0123 + 2301 + 5476 + 89ab + ba98 + efcd + fedc
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* c = 0022 + 1133 + 4545 + 7667 + ab89 + dcdc + fefe
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* c = 0022 + 1133 + 4554 + 7667 + ab89 + dcdc + fefe
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* = 0123 + 1032 + 4567 + 7654 + ab89 + dcfe + fedc
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* d = 1001 + 2332 + 6644 + 7755 + 9898 + baba + cedf
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* d = 1001 + 2332 + 6644 + 7755 + 9898 + baba + cdef
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* = 1032 + 2301 + 6745 + 7654 + 98ba + ba98 + cdef
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*
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* Note: another presentation of the A transform can be found as the first
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