openssh/openbsd-compat/sha2.c

458 	size_t	freespace, usedspace;
464 	usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
465 	if (usedspace > 0) {
467 		freespace = SHA256_BLOCK_LENGTH - usedspace;
471 			memcpy(&context->buffer[usedspace], data, freespace);
478 			memcpy(&context->buffer[usedspace], data, len);
481 			usedspace = freespace = 0;
498 	usedspace = freespace = 0;
504 	unsigned int	usedspace;
506 	usedspace = (context->bitcount >> 3) % SHA256_BLOCK_LENGTH;
507 	if (usedspace > 0) {
509 		context->buffer[usedspace++] = 0x80;
511 		if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
513 			memset(&context->buffer[usedspace], 0,
514 			    SHA256_SHORT_BLOCK_LENGTH - usedspace);
516 			if (usedspace < SHA256_BLOCK_LENGTH) {
517 				memset(&context->buffer[usedspace], 0,
518 				    SHA256_BLOCK_LENGTH - usedspace);
541 	usedspace = 0;
739 	size_t	freespace, usedspace;
745 	usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
746 	if (usedspace > 0) {
748 		freespace = SHA512_BLOCK_LENGTH - usedspace;
752 			memcpy(&context->buffer[usedspace], data, freespace);
759 			memcpy(&context->buffer[usedspace], data, len);
762 			usedspace = freespace = 0;
779 	usedspace = freespace = 0;
785 	unsigned int	usedspace;
787 	usedspace = (context->bitcount[0] >> 3) % SHA512_BLOCK_LENGTH;
788 	if (usedspace > 0) {
790 		context->buffer[usedspace++] = 0x80;
792 		if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
794 			memset(&context->buffer[usedspace], 0, SHA512_SHORT_BLOCK_LENGTH - usedspace);
796 			if (usedspace < SHA512_BLOCK_LENGTH) {
797 				memset(&context->buffer[usedspace], 0, SHA512_BLOCK_LENGTH - usedspace);
822 	usedspace = 0;