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pqcrypto/crypto_kem/ntrup/ntrulpr857/clean/crypto_verify_1312.c

14 lines
360 B
C

#include "crypto_verify_1312.h"
int PQCLEAN_NTRULPR857_CLEAN_crypto_verify_1312(const unsigned char *x, const unsigned char *y) {
unsigned int differentbits = 0;
int i;
for (i = 0; i < PQCLEAN_NTRULPR857_CLEAN_crypto_verify_1312_BYTES; ++i) {
differentbits |= x[i] ^ y[i];
}
return (int) (1 & ((differentbits - 1) >> 8)) - 1;
}