md5... still not working...

	{
		int fd=sceIoOpen(save,PSP_O_RDONLY,0777);
		if(fd>=0){
			//MD5_CTX md5ctx;
			SceKernelUtilsMd5Context md5ctx;
			unsigned char digest[16];
			char md5[33];md5[32]=0;
			//MD5Init(&md5ctx);
			sceKernelUtilsMd5BlockInit(&md5ctx);
			int size=0;
			int readlen;
			while((readlen=sceIoRead(fd,buf,sizeof buf))>0){
				//MD5Update(&md5ctx,(unsigned char*)buf,readlen);
				sceKernelUtilsMd5BlockUpdate(&md5ctx, buf , readlen);
				size+=readlen;
			}
			DBG_LOG( "size %d\n", size );
			//MD5Final(digest,&md5ctx);
			sceKernelUtilsMd5BlockResult(&md5ctx, digest);
			int i=0;
			for(;i<16;i++){
				int x=digest[i]>>4,y=digest[i]&0xf;
				md5[2*i+0]=x>9?(x-10+'a'):(x+'0');
				md5[2*i+1]=y>9?(y-10+'a'):(y+'0');
			}
			sceIoClose(fd);
			if(!strcmp(remote_md5,md5)){
				printf( "No need to update %s.\n", save );
				DBG_LOG( "No need to update %s.\n", save );
				return 1;
			}
		}
	}