Function timingsafe_bcmp

src/crypto/chacha_poly_aead.cpp:18–26

#ifndef HAVE_TIMINGSAFE_BCMP

int timingsafe_bcmp(const unsigned char* b1, const unsigned char* b2, size_t n)
{
    const unsigned char *p1 = b1, *p2 = b2;
    int ret = 0;

    for (; n > 0; n--)
        ret |= *p1++ ^ *p2++;
    return (ret != 0);
}

#endif // TIMINGSAFE_BCMP