Lines Matching defs:stp

498 fb64_stream_iv(Block seed, struct stinfo *stp)
501 	memmove((void *)stp->str_iv, (void *)seed, sizeof(Block));
502 	memmove((void *)stp->str_output, (void *)seed, sizeof(Block));
504 	des_key_sched(&stp->str_ikey, stp->str_sched);
506 	stp->str_index = sizeof(Block);
510 fb64_stream_key(Block *key, struct stinfo *stp)
512 	memmove((void *)stp->str_ikey, (void *)key, sizeof(Block));
513 	des_key_sched(key, stp->str_sched);
515 	memmove((void *)stp->str_output, (void *)stp->str_iv, sizeof(Block));
517 	stp->str_index = sizeof(Block);
545 	register struct stinfo *stp = &fb[CFB].streams[DIR_ENCRYPT-1];
548 	idx = stp->str_index;
552 			des_ecb_encrypt(&stp->str_output, &b, stp->str_sched, 1);
553 			memmove((void *)stp->str_feed, (void *)b, sizeof(Block));
558 		*s = stp->str_output[idx] = (stp->str_feed[idx] ^ *s);
562 	stp->str_index = idx;
568 	register struct stinfo *stp = &fb[CFB].streams[DIR_DECRYPT-1];
577 		if (stp->str_index)
578 			--stp->str_index;
582 	idx = stp->str_index++;
585 		des_ecb_encrypt(&stp->str_output, &b, stp->str_sched, 1);
586 		memmove((void *)stp->str_feed, (void *)b, sizeof(Block));
587 		stp->str_index = 1;	/* Next time will be 1 */
592 	stp->str_output[idx] = data;
593 	return(data ^ stp->str_feed[idx]);
618 	register struct stinfo *stp = &fb[OFB].streams[DIR_ENCRYPT-1];
621 	idx = stp->str_index;
625 			des_ecb_encrypt(&stp->str_feed, &b, stp->str_sched, 1);
626 			memmove((void *)stp->str_feed, (void *)b, sizeof(Block));
629 		*s++ ^= stp->str_feed[idx];
632 	stp->str_index = idx;
638 	register struct stinfo *stp = &fb[OFB].streams[DIR_DECRYPT-1];
647 		if (stp->str_index)
648 			--stp->str_index;
652 	idx = stp->str_index++;
655 		des_ecb_encrypt(&stp->str_feed, &b, stp->str_sched, 1);
656 		memmove((void *)stp->str_feed, (void *)b, sizeof(Block));
657 		stp->str_index = 1;	/* Next time will be 1 */
661 	return(data ^ stp->str_feed[idx]);