CHAPTER 26. 64 BITS CHAPTER 26. 64 BITS
* This software may be modified, redistributed, and used for any purpose,
* so long as its origin is acknowledged.
*
* Produced by Matthew Kwan - March 1998
*/#ifdef _WIN64
#define DES_type unsigned __int64
#else
#define DES_type unsigned int
#endif
void
s1 (
DES_type a1,
DES_type a2,
DES_type a3,
DES_type a4,
DES_type a5,
DES_type a6,
DES_type out1,
DES_type out2,
DES_type out3,
DES_type out4
) {
DES_type x1, x2, x3, x4, x5, x6, x7, x8;
DES_type x9, x10, x11, x12, x13, x14, x15, x16;
DES_type x17, x18, x19, x20, x21, x22, x23, x24;
DES_type x25, x26, x27, x28, x29, x30, x31, x32;
DES_type x33, x34, x35, x36, x37, x38, x39, x40;
DES_type x41, x42, x43, x44, x45, x46, x47, x48;
DES_type x49, x50, x51, x52, x53, x54, x55, x56;
x1 = a3 & ~a5;
x2 = x1 ^ a4;
x3 = a3 & ~a4;
x4 = x3 | a5;
x5 = a6 & x4;
x6 = x2 ^ x5;
x7 = a4 & ~a5;
x8 = a3 ^ a4;
x9 = a6 & ~x8;
x10 = x7 ^ x9;
x11 = a2 | x10;
x12 = x6 ^ x11;
x13 = a5 ^ x5;
x14 = x13 & x8;
x15 = a5 & ~a4;
x16 = x3 ^ x14;
x17 = a6 | x16;
x18 = x15 ^ x17;
x19 = a2 | x18;
x20 = x14 ^ x19;
x21 = a1 & x20;
x22 = x12 ^ ~x21;
*out2 ^= x22;
x23 = x1 | x5;
x24 = x23 ^ x8;
x25 = x18 & ~x2;
x26 = a2 & ~x25;
x27 = x24 ^ x26;
x28 = x6 | x7;
x29 = x28 ^ x25;
x30 = x9 ^ x24;
x31 = x18 & ~x30;
x32 = a2 & x31;
x33 = x29 ^ x32;
x34 = a1 & x33;
x35 = x27 ^ x34;
*out4 ^= x35;