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use reflect fct

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This commit is contained in:
iceman1001 2020-07-06 05:43:12 +02:00
commit 927cd71ed9
1 changed files with 2 additions and 9 deletions
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11
client/src/loclass/cipherutils.c
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@ -128,24 +128,17 @@ uint64_t x_bytes_to_num(uint8_t *src, size_t len) {
return num; return num;
} }
uint8_t reversebytes(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;
}
void reverse_arraybytes(uint8_t *arr, size_t len) { void reverse_arraybytes(uint8_t *arr, size_t len) {
uint8_t i; uint8_t i;
for (i = 0; i < len ; i++) { for (i = 0; i < len ; i++) {
arr[i] = reversebytes(arr[i]); arr[i] = reflect8(arr[i]);
} }
} }
void reverse_arraycopy(uint8_t *arr, uint8_t *dest, size_t len) { void reverse_arraycopy(uint8_t *arr, uint8_t *dest, size_t len) {
uint8_t i; uint8_t i;
for (i = 0; i < len ; i++) { for (i = 0; i < len ; i++) {
dest[i] = reversebytes(arr[i]); dest[i] = reflect8(arr[i]);
} }
} }