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sbox.h
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sbox.h
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/*
Michael Kochell
*/
/*
All sbox calculations are done here, starting with the 48 bit input
*/
unsigned int performSboxCalculation(unsigned long long input);
static const int SBOX_INPUT_SIZE = 6;
static const int NUM_SBOXES = 8;
/*
each 2d array inside is an sbox
numbers were changed to avoid shifting in calculation
for example:
all numbers in s1 are in the bits 28-31
*/
static unsigned int sboxes[8][4][16] =
{
{
//s1
{
3758096384, 1073741824, 3489660928, 268435456, 536870912, 4026531840, 2952790016, 2147483648, 805306368, 2684354560, 1610612736, 3221225472, 1342177280, 2415919104, 0, 1879048192
},
{
0, 4026531840, 1879048192, 1073741824, 3758096384, 536870912, 3489660928, 268435456, 2684354560, 1610612736, 3221225472, 2952790016, 2415919104, 1342177280, 805306368, 2147483648
},
{
1073741824, 268435456, 3758096384, 2147483648, 3489660928, 1610612736, 536870912, 2952790016, 4026531840, 3221225472, 2415919104, 1879048192, 805306368, 2684354560, 1342177280, 0
},
{
4026531840, 3221225472, 2147483648, 536870912, 1073741824, 2415919104, 268435456, 1879048192, 1342177280, 2952790016, 805306368, 3758096384, 2684354560, 0, 1610612736, 3489660928
}
},
//s2
{
{
251658240, 16777216, 134217728, 234881024, 100663296, 184549376, 50331648, 67108864, 150994944, 117440512, 33554432, 218103808, 201326592, 0, 83886080, 167772160
},
{
50331648, 218103808, 67108864, 117440512, 251658240, 33554432, 134217728, 234881024, 201326592, 0, 16777216, 167772160, 100663296, 150994944, 184549376, 83886080
},
{
0, 234881024, 117440512, 184549376, 167772160, 67108864, 218103808, 16777216, 83886080, 134217728, 201326592, 100663296, 150994944, 50331648, 33554432, 251658240
},
{
218103808, 134217728, 167772160, 16777216, 50331648, 251658240, 67108864, 33554432, 184549376, 100663296, 117440512, 201326592, 0, 83886080, 234881024, 150994944
}
},
//s3
{
{
10485760, 0, 9437184, 14680064, 6291456, 3145728, 15728640, 5242880, 1048576, 13631488, 12582912, 7340032, 11534336, 4194304, 2097152, 8388608
},
{
13631488, 7340032, 0, 9437184, 3145728, 4194304, 6291456, 10485760, 2097152, 8388608, 5242880, 14680064, 12582912, 11534336, 15728640, 1048576
},
{
13631488, 6291456, 4194304, 9437184, 8388608, 15728640, 3145728, 0, 11534336, 1048576, 2097152, 12582912, 5242880, 10485760, 14680064, 7340032
},
{
1048576, 10485760, 13631488, 0, 6291456, 9437184, 8388608, 7340032, 4194304, 15728640, 14680064, 3145728, 11534336, 5242880, 2097152, 12582912
}
},
//s4
{
{
458752, 851968, 917504, 196608, 0, 393216, 589824, 655360, 65536, 131072, 524288, 327680, 720896, 786432, 262144, 983040
},
{
851968, 524288, 720896, 327680, 393216, 983040, 0, 196608, 262144, 458752, 131072, 786432, 65536, 655360, 917504, 589824
},
{
655360, 393216, 589824, 0, 786432, 720896, 458752, 851968, 983040, 65536, 196608, 917504, 327680, 131072, 524288, 262144
},
{
196608, 983040, 0, 393216, 655360, 65536, 851968, 524288, 589824, 262144, 327680, 720896, 786432, 458752, 131072, 917504
}
},
//s5
{
{
8192, 49152, 16384, 4096, 28672, 40960, 45056, 24576, 32768, 20480, 12288, 61440, 53248, 0, 57344, 36864
},
{
57344, 45056, 8192, 49152, 16384, 28672, 53248, 4096, 20480, 0, 61440, 40960, 12288, 36864, 32768, 24576
},
{
16384, 8192, 4096, 45056, 40960, 53248, 28672, 32768, 61440, 36864, 49152, 20480, 24576, 12288, 0, 57344
},
{
45056, 32768, 49152, 28672, 4096, 57344, 8192, 53248, 24576, 61440, 0, 36864, 40960, 16384, 20480, 12288
}
},
//s6
{
{
3072, 256, 2560, 3840, 2304, 512, 1536, 2048, 0, 3328, 768, 1024, 3584, 1792, 1280, 2816
},
{
2560, 3840, 1024, 512, 1792, 3072, 2304, 1280, 1536, 256, 3328, 3584, 0, 2816, 768, 2048
},
{
2304, 3584, 3840, 1280, 512, 2048, 3072, 768, 1792, 0, 1024, 2560, 256, 3328, 2816, 1536
},
{
1024, 768, 512, 3072, 2304, 1280, 3840, 2560, 2816, 3584, 256, 1792, 1536, 0, 2048, 3328
}
},
//s7
{
{
64, 176, 32, 224, 240, 0, 128, 208, 48, 192, 144, 112, 80, 160, 96, 16
},
{
208, 0, 176, 112, 64, 144, 16, 160, 224, 48, 80, 192, 32, 240, 128, 96
},
{
16, 64, 176, 208, 192, 48, 112, 224, 160, 240, 96, 128, 0, 80, 144, 32
},
{
96, 176, 208, 128, 16, 64, 160, 112, 144, 80, 0, 240, 224, 32, 48, 192
}
},
//s8
{
{
13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7
},
{
1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2
},
{
7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8
},
{
2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11
}
}
};