64 lines
3.5 KiB
C
64 lines
3.5 KiB
C
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// Adapted from SATA specification
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#include <stdlib.h>
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#include <stdio.h>
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int main(int argc, char *argv[])
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{
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int i, j;
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unsigned short context;
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unsigned long scrambler;
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unsigned char now[16];
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unsigned char next[32];
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context = 0xF0F6;
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for (i = 0; i < 256; ++i) {
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for (j = 0; j < 16; ++j) {
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now[j] = (context >> j) & 0x01;
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}
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next[31] = now[12] ^ now[10] ^ now[7] ^ now[3] ^ now[1] ^ now[0];
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next[30] = now[15] ^ now[14] ^ now[12] ^ now[11] ^ now[9] ^ now[6] ^ now[3] ^ now[2] ^ now[0];
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next[29] = now[15] ^ now[13] ^ now[12] ^ now[11] ^ now[10] ^ now[8] ^ now[5] ^ now[3] ^ now[2] ^ now[1];
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next[28] = now[14] ^ now[12] ^ now[11] ^ now[10] ^ now[9] ^ now[7] ^ now[4] ^ now[2] ^ now[1] ^ now[0];
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next[27] = now[15] ^ now[14] ^ now[13] ^ now[12] ^ now[11] ^ now[10] ^ now[9] ^ now[8] ^ now[6] ^ now[1] ^ now[0];
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next[26] = now[15] ^ now[13] ^ now[11] ^ now[10] ^ now[9] ^ now[8] ^ now[7] ^ now[5] ^ now[3] ^ now[0];
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next[25] = now[15] ^ now[10] ^ now[9] ^ now[8] ^ now[7] ^ now[6] ^ now[4] ^ now[3] ^ now[2];
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next[24] = now[14] ^ now[9] ^ now[8] ^ now[7] ^ now[6] ^ now[5] ^ now[3] ^ now[2] ^ now[1];
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next[23] = now[13] ^ now[8] ^ now[7] ^ now[6] ^ now[5] ^ now[4] ^ now[2] ^ now[1] ^ now[0];
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next[22] = now[15] ^ now[14] ^ now[7] ^ now[6] ^ now[5] ^ now[4] ^ now[1] ^ now[0];
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next[21] = now[15] ^ now[13] ^ now[12] ^ now[6] ^ now[5] ^ now[4] ^ now[0];
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next[20] = now[15] ^ now[11] ^ now[5] ^ now[4];
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next[19] = now[14] ^ now[10] ^ now[4] ^ now[3];
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next[18] = now[13] ^ now[9] ^ now[3] ^ now[2];
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next[17] = now[12] ^ now[8] ^ now[2] ^ now[1];
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next[16] = now[11] ^ now[7] ^ now[1] ^ now[0];
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next[15] = now[15] ^ now[14] ^ now[12] ^ now[10] ^ now[6] ^ now[3] ^ now[0];
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next[14] = now[15] ^ now[13] ^ now[12] ^ now[11] ^ now[9] ^ now[5] ^ now[3] ^ now[2];
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next[13] = now[14] ^ now[12] ^ now[11] ^ now[10] ^ now[8] ^ now[4] ^ now[2] ^ now[1];
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next[12] = now[13] ^ now[11] ^ now[10] ^ now[9] ^ now[7] ^ now[3] ^ now[1] ^ now[0];
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next[11] = now[15] ^ now[14] ^ now[10] ^ now[9] ^ now[8] ^ now[6] ^ now[3] ^ now[2] ^ now[0];
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next[10] = now[15] ^ now[13] ^ now[12] ^ now[9] ^ now[8] ^ now[7] ^ now[5] ^ now[3] ^ now[2] ^ now[1];
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next[9] = now[14] ^ now[12] ^ now[11] ^ now[8] ^ now[7] ^ now[6] ^ now[4] ^ now[2] ^ now[1] ^ now[0];
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next[8] = now[15] ^ now[14] ^ now[13] ^ now[12] ^ now[11] ^ now[10] ^ now[7] ^ now[6] ^ now[5] ^ now[1] ^ now[0];
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next[7] = now[15] ^ now[13] ^ now[11] ^ now[10] ^ now[9] ^ now[6] ^ now[5] ^ now[4] ^ now[3] ^ now[0];
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next[6] = now[15] ^ now[10] ^ now[9] ^ now[8] ^ now[5] ^ now[4] ^ now[2];
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next[5] = now[14] ^ now[9] ^ now[8] ^ now[7] ^ now[4] ^ now[3] ^ now[1];
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next[4] = now[13] ^ now[8] ^ now[7] ^ now[6] ^ now[3] ^ now[2] ^ now[0];
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next[3] = now[15] ^ now[14] ^ now[7] ^ now[6] ^ now[5] ^ now[3] ^ now[2] ^ now[1];
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next[2] = now[14] ^ now[13] ^ now[6] ^ now[5] ^ now[4] ^ now[2] ^ now[1] ^ now[0];
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next[1] = now[15] ^ now[14] ^ now[13] ^ now[5] ^ now[4] ^ now[1] ^ now[0];
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next[0] = now[15] ^ now[13] ^ now[4] ^ now[0];
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scrambler = 0;
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for (j = 31; j >= 0; --j) {
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scrambler = scrambler << 1;
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scrambler |= next[j];
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}
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context = scrambler >> 16;
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printf("%08x\n", (unsigned int) scrambler);
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}
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return 0;
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}
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