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/*
20241205
*/
#include "crypto_int16.h"
#include "byte.h"
void byte_copy(void *yv, long long ylen, const void *xv) {
long long i;
const char *x = xv;
char *y = yv;
for (i = 0; i < ylen; ++i) y[i] = x[i];
}
int byte_isequal(const void *yv, long long ylen, const void *xv) {
long long i;
const unsigned char *y = yv;
const unsigned char *x = xv;
unsigned char diff = 0;
for (i = 0; i < ylen; ++i) diff |= x[i] ^ y[i];
return crypto_int16_zero_01(diff);
}
void byte_zero(void *yv, long long ylen) {
long long i;
volatile char *y = yv;
for (i = 0; i < ylen; ++i) y[i] = 0;
#ifdef __GNUC__
__asm__ __volatile__("" : : "r"(yv) : "memory");
#endif
}
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