crypto/sha2/sha2.c

331 	bzero(context->buffer, SHA256_BLOCK_LENGTH);
377 	W256 = (sha2_word32*)context->buffer;
435 	W256 = (sha2_word32*)context->buffer;
523 		/* Calculate how much free space is available in the buffer */
527 			/* Fill the buffer completely and process it */
528 			bcopy(data, &context->buffer[usedspace], freespace);
532 			SHA256_Transform(context, (sha2_word32*)context->buffer);
534 			/* The buffer is not yet full */
535 			bcopy(data, &context->buffer[usedspace], len);
551 		bcopy(data, context->buffer, len);
565 	/* If no digest buffer is passed, we don't bother doing this: */
574 			context->buffer[usedspace++] = 0x80;
578 				bzero(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
581 					bzero(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
584 				SHA256_Transform(context, (sha2_word32*)context->buffer);
587 				bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
591 			bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
594 			*context->buffer = 0x80;
597 		*(sha2_word64*)&context->buffer[SHA256_SHORT_BLOCK_LENGTH] = context->bitcount;
600 		SHA256_Transform(context, (sha2_word32*)context->buffer);
621 char *SHA256_End(SHA256_CTX* context, char buffer[]) {
628 	if (buffer != (char*)0) {
632 			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
633 			*buffer++ = sha2_hex_digits[*d & 0x0f];
636 		*buffer = (char)0;
641 	return buffer;
659 	bzero(context->buffer, SHA512_BLOCK_LENGTH);
701 	sha2_word64	T1, *W512 = (sha2_word64*)context->buffer;
756 	sha2_word64	T1 = 0, T2 = 0, *W512 = (sha2_word64*)context->buffer;
845 		/* Calculate how much free space is available in the buffer */
849 			/* Fill the buffer completely and process it */
850 			bcopy(data, &context->buffer[usedspace], freespace);
854 			SHA512_Transform(context, (sha2_word64*)context->buffer);
856 			/* The buffer is not yet full */
857 			bcopy(data, &context->buffer[usedspace], len);
873 		bcopy(data, context->buffer, len);
891 		context->buffer[usedspace++] = 0x80;
895 			bzero(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace);
898 				bzero(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace);
901 			SHA512_Transform(context, (sha2_word64*)context->buffer);
904 			bzero(context->buffer, SHA512_BLOCK_LENGTH - 2);
908 		bzero(context->buffer, SHA512_SHORT_BLOCK_LENGTH);
911 		*context->buffer = 0x80;
914 	*(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH] = context->bitcount[1];
915 	*(sha2_word64*)&context->buffer[SHA512_SHORT_BLOCK_LENGTH+8] = context->bitcount[0];
918 	SHA512_Transform(context, (sha2_word64*)context->buffer);
927 	/* If no digest buffer is passed, we don't bother doing this: */
950 char *SHA512_End(SHA512_CTX* context, char buffer[]) {
957 	if (buffer != (char*)0) {
961 			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
962 			*buffer++ = sha2_hex_digits[*d & 0x0f];
965 		*buffer = (char)0;
970 	return buffer;
988 	bzero(context->buffer, SHA384_BLOCK_LENGTH);
1002 	/* If no digest buffer is passed, we don't bother doing this: */
1025 char *SHA384_End(SHA384_CTX* context, char buffer[]) {
1032 	if (buffer != (char*)0) {
1036 			*buffer++ = sha2_hex_digits[(*d & 0xf0) >> 4];
1037 			*buffer++ = sha2_hex_digits[*d & 0x0f];
1040 		*buffer = (char)0;
1045 	return buffer;