/* * Copyright (C) 1995, 1996 Systemics Ltd (http://www.systemics.com/) * All rights reserved. * * This library and applications are FREE FOR COMMERCIAL AND NON-COMMERCIAL USE * as long as the conditions within the COPYRIGHT file are adhered to. * */#include "sha.h"#include "java_crypt_SHA.h"/* function to make the digest buffer the correct way around   and copy it into return buffer.*/static void finishHash( SHA_INFO * infoBlock, char * buffer ){#ifdef LITTLE_ENDIAN	char * from = (char *)infoBlock->digest;	int x;	/* this is only 20 byte could be unwound.*/	for ( x = 0; x < java_crypt_SHA_HASH_LENGTH; x += 4 )	{		*buffer++ = from[3 + x];				*buffer++ = from[2 + x];				*buffer++ = from[1 + x];				*buffer++ = from[0 + x];			}#else /* LITTLE_ENDIAN */	memcpy( buffer, infoBlock->digest, java_crypt_SHA_HASH_LENGTH );#endif /* LITTLE_ENDIAN */}void java_crypt_SHA_init( struct Hjava_crypt_SHA * this ){	sha_init( (SHA_INFO *)( unhand( unhand( this )->contextBuf )->body ) );}void java_crypt_SHA_update(struct Hjava_crypt_SHA * this, HArrayOfByte * buffer, long offset, long length ){	sha_update( (SHA_INFO *)( unhand( unhand( this )->contextBuf )->body ), unhand(buffer)->body + offset, length );}void java_crypt_SHA_finish( struct Hjava_crypt_SHA * this, HArrayOfByte * buffer ){	SHA_INFO * infoPtr = (SHA_INFO *)( unhand( unhand( this )->contextBuf )->body );	sha_final( infoPtr );	finishHash( infoPtr, unhand( buffer )->body );}