515     uint_8t cc, rc, hi;  local
537     for ( cc = keylen, rc = 1; cc < hi; cc += 4 ) {
540         t0 = ctx->ksch[cc - 4];
541         t1 = ctx->ksch[cc - 3];
542         t2 = ctx->ksch[cc - 2];
543         t3 = ctx->ksch[cc - 1];
544         if ( cc % keylen == 0 ) {
551         } else if ( keylen > 24 && cc % keylen == 16 ) {
557         tt = cc - keylen;
558         ctx->ksch[cc + 0] = ctx->ksch[tt + 0] ^ t0;
559         ctx->ksch[cc + 1] = ctx->ksch[tt + 1] ^ t1;
560         ctx->ksch[cc + 2] = ctx->ksch[tt + 2] ^ t2;
561         ctx->ksch[cc + 3] = ctx->ksch[tt + 3] ^ t3;
679     uint_8t cc;  local
687     for (cc = 4; cc < 16; cc += 4 ) {
688         k[cc + 0] ^= k[cc - 4];
689         k[cc + 1] ^= k[cc - 3];
690         k[cc + 2] ^= k[cc - 2];
691         k[cc + 3] ^= k[cc - 1];
736     uint_8t cc;  local
738     for ( cc = 12; cc > 0; cc -= 4 ) {
739         k[cc + 0] ^= k[cc - 4];
740         k[cc + 1] ^= k[cc - 3];
741         k[cc + 2] ^= k[cc - 2];
742         k[cc + 3] ^= k[cc - 1];
791     uint_8t cc;  local
799     for (cc = 4; cc < 16; cc += 4) {
800         k[cc + 0] ^= k[cc - 4];
801         k[cc + 1] ^= k[cc - 3];
802         k[cc + 2] ^= k[cc - 2];
803         k[cc + 3] ^= k[cc - 1];
811     for ( cc = 20; cc < 32; cc += 4 ) {
812         k[cc + 0] ^= k[cc - 4];
813         k[cc + 1] ^= k[cc - 3];
814         k[cc + 2] ^= k[cc - 2];
815         k[cc + 3] ^= k[cc - 1];
868     uint_8t cc;  local
870     for (cc = 28; cc > 16; cc -= 4) {
871         k[cc + 0] ^= k[cc - 4];
872         k[cc + 1] ^= k[cc - 3];
873         k[cc + 2] ^= k[cc - 2];
874         k[cc + 3] ^= k[cc - 1];
882     for (cc = 12; cc > 0; cc -= 4) {
883         k[cc + 0] ^= k[cc - 4];
884         k[cc + 1] ^= k[cc - 3];
885         k[cc + 2] ^= k[cc - 2];
886         k[cc + 3] ^= k[cc - 1];