Function bin2hex

source/src/crypto.cpp:528–534

/////////////////////////////////////////////// hex converters /////////////////////////////////////////////////////////////////////////////////////

const char *bin2hex(char *d, const uchar *s, int len)
{ // d needs to be at least of size 2 * len + 1
    len *= 2;
    loopi(len) d[i] = hexdigits[(s[i / 2] >> ((i & 1) ? 0 : 4)) & 0xf];
    d[len] = '\0';
    return d;
}

int hex2bin(uchar *d, const char *s, int maxlen)
{