574
574
* 128-bit keys use only sa through sh; 256-bit use all of them. */
575
575
byte sa = 0, sb = 0, sc = 0, sd = 0, se = 0, sf = 0, sg = 0, sh = 0;
576
576
byte si = 0, sj = 0, sk = 0, sl = 0, sm = 0, sn = 0, so = 0, sp = 0;
578
578
/* Temporary for CALC_S. */
581
581
/* Flags for self-test. */
582
582
static int initialized = 0;
583
583
static const char *selftest_failed=0;