/*
???Completely?decrypt?a?Sony?DSC-F828?raw?file.
???by?Dave?Coffin??1/4/2004
?*/

#include?
#include?
#include?
//#include?

typedef?unsigned?char?uchar;

typedef?union?{
	unsigned?char?uc[4];
	unsigned?long?ul;
}?UDWord;

unsigned?long
htonl（unsigned?long?ll）
{
	UDWord?x;
	UDWord?y;

	x.ul?=?ll;
	y.uc[0]?=?x.uc[3];
	y.uc[1]?=?x.uc[2];
	y.uc[2]?=?x.uc[1];
	y.uc[3]?=?x.uc[0];
	return?y.ul;
}

unsigned?long
ntohl（unsigned?long?ll）
{
	return?htonl（ll）;
}
void?sony_decrypt?（void?*buf?int?len?int?key）
{
??unsigned?pad[128]?*data=buf;
??int?i;

??for?（i=0;?i?????pad[i]?=?key?=?key?*?48828125?+?1;
??pad[3]?=?pad[3]?<>?31;
??for?（i=4;?i?????pad[i]?=?（pad[i-4]^pad[i-2]）?<>?31;
??for?（i=0;?i?????pad[i]?=?htonl（pad[i]）;
??for?（?;?i?????*data?^=?pad[i?&?127]?=?pad[（i+1）?&?127]?^?pad[（i+65）?&?127];
}

void?sony_clear?（uchar?*buffer?int?length）
{
??unsigned?*ip?key0?key1=0?key2=0?i;
??uchar?*cp;

??ip?=?（void?*）?cp?=?buffer+200896;
??key0?=?ntohl（ip[*cp]）;
??sony_decrypt?（buffer+164600?9074?key0）;
??for?（i=4;?i--;?）?{
????key1?=?key1?<????key2?=?key2?<??}
??sony_decrypt?（buffer+164640?174376?key1）;
??sony_decrypt?（buffer+862144?（length-862144）/4?key2）;
}

int?main?（int?argc?char?**argv）
{
??FILE?*fp;
??char?name[512]?*buffer;
??int?arg?length;

??for?（arg=1;?arg?????fp?=?fopen?（argv[arg]?“rb“）;
????if?（!fp）?{
??????perror?（argv[arg]）;
??????continue;
????}
????fseek?（fp?0?SEEK_END）;
????length?=?ftell?（fp）;
????if?（length???????fprintf?（stderr?“%s?is?too?small!\n“?argv[arg]）;
??????fclose（fp）;
??????continue;
????}
????buffer?=?malloc?（length）;
????if?（!buffer）?{
??????fprintf?（stderr?“%s?is?too?big!\n“?argv[arg]）;
??????fclose（fp）;
??????continue;
????}
????fseek?（fp?0?SEEK_SET）;
????fread?（buffer?1?length?fp）;
????fclose?（fp）;
????sony_clear?（buffer?length）;
????strcpy?（name?argv[arg]）;
????strcat?（name?“.clear“）;
????fp?=?fopen?（name?“wb“）;
????fwrite?（buffer?1?length?fp）;
????free?（buffer）;
????fclose（fp）;
??}
??return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2011-07-04?18:10??sony_raw_decrypt\
?????目錄???????????0??2011-07-04?18:10??sony_raw_decrypt\Debug\
?????文件????????9528??2011-07-04?18:10??sony_raw_decrypt\Debug\BuildLog.htm
?????文件??????????60??2011-07-04?18:10??sony_raw_decrypt\Debug\mt.dep
?????文件??????382464??2011-07-04?18:10??sony_raw_decrypt\Debug\sony_clear.exe
?????文件?????????381??2011-07-04?18:10??sony_raw_decrypt\Debug\sony_clear.exe.intermediate.manifest
?????文件??????194708??2011-07-04?18:10??sony_raw_decrypt\Debug\sony_clear.ilk
?????文件???????11223??2011-07-04?18:10??sony_raw_decrypt\Debug\sony_clear.obj
?????文件?????1879040??2011-07-04?18:10??sony_raw_decrypt\Debug\sony_clear.pdb
?????文件???????33792??2004-07-14?14:46??sony_raw_decrypt\Debug\vc60.idb
?????文件???????45056??2004-07-14?14:45??sony_raw_decrypt\Debug\vc60.pdb
?????文件???????27648??2011-07-04?18:10??sony_raw_decrypt\Debug\vc90.idb
?????文件???????53248??2011-07-04?18:10??sony_raw_decrypt\Debug\vc90.pdb
?????文件?????????242??2004-07-13?19:26??sony_raw_decrypt\readme.txt
?????文件????????2321??2011-07-04?18:10??sony_raw_decrypt\sony_clear.c
?????文件????????3447??2004-07-13?18:45??sony_raw_decrypt\sony_clear.dsp
?????文件?????????545??2004-07-13?18:52??sony_raw_decrypt\sony_clear.dsw
?????文件??????584704??2011-07-11?10:40??sony_raw_decrypt\sony_clear.ncb
?????文件???????53760??2008-01-09?12:21??sony_raw_decrypt\sony_clear.opt
?????文件????????1184??2004-07-14?14:45??sony_raw_decrypt\sony_clear.plg
?????文件?????????885??2011-07-11?10:40??sony_raw_decrypt\sony_clear.sln
?????文件???????10752??2011-07-11?10:40??sony_raw_decrypt\sony_clear.suo
?????文件????????4004??2007-07-02?15:00??sony_raw_decrypt\sony_clear.vcproj
?????文件????????1421??2011-07-11?10:40??sony_raw_decrypt\sony_clear.vcproj.gaozheyuan-PC.gaozheyuan.user