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CHG: refactor CRC16 algos. This is a big change, most likely some parts broke, hard to test it all.

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iceman1001 2018-02-01 15:19:47 +01:00
commit 52d69ed4ee
35 changed files with 512 additions and 674 deletions
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8
client/util.c
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@ -729,6 +729,14 @@ void rol(uint8_t *data, const size_t len){
data[len-1] = first;
}
/*
uint8_t pw_rev_A(uint8_t b) {
b = (b & 0xF0) >> 4 | (b & 0x0F) << 4;
b = (b & 0xCC) >> 2 | (b & 0x33) << 2;
b = (b & 0xAA) >> 1 | (b & 0x55) << 1;
return b;
}
*/
uint8_t reflect8(uint8_t b) {
return ((b * 0x80200802ULL) & 0x0884422110ULL) * 0x0101010101ULL >> 32;
}