Function passdeferred

source/src/crypto.cpp:732–742

static struct { uchar *salt, *priv; uint pwdcfg; } passdargs;

static int passdeferred(void *pass)   // decrypt the private key in the background
{
    uchar keyhash[32];
    int iterations = passdargs.pwdcfg >> 10;
    passphrase2key((char*)pass, passdargs.salt, 16, keyhash, 32, &iterations, 0, passdargs.pwdcfg & 0x3ff);
    xor_block(passdargs.priv, keyhash, 32);
    delstring((char *)pass);
    extern void authsetup(char **args, int numargs);
    authsetup(NULL, -1);  // tell authsetup, that the passwd is done
    return 0;
}

void savepreprivkey(const char *filename, uchar *preprivkey, uchar preprivlen, uchar *psalt, uint preprivpwdcfg) {
    char hextemp[128 * 2 + 1];