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modified aes stuffs

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This commit is contained in:
Hazim Gazov
2010-08-01 07:05:59 +00:00
parent 2067c1b81b
commit 6351f0fee7
1 changed files with 22 additions and 6 deletions
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28
indra/llimage/llimagemetadatareader.cpp
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@@ -2,6 +2,7 @@
#include "linden_common.h"
#include "llimagemetadatareader.h"
#include "aes.h"
#include "llerror.h"
const unsigned long EMKDU_AES_KEY[] = {0x7810001, 0x0FEB67863, 0x12B03F6E, 0x0C16665CC, 0x0C1AC9681, 0x0F70B663B};
//const unsigned char EMKDU_AES_KEY[] = {0x01,0x00,0x81,0x07,0x63,0x78,0xB6,0xFE,0x6E,0x3F,0xB0,0x12,0xCC,0x65,0x66,0xC1,
//0x81,0x96,0xAC,0xC1,0x3B,0x66,0x0B,0xF7};
@@ -122,20 +123,33 @@ std::string LLImageMetaDataReader::ExtractEncodedComment(U8* data,int data_size)
{
//this is terrible i know
std::vector<U8> dataout(128);
AES aes;
aes.SetParameters(192);
aes.StartDecryption(reinterpret_cast<const unsigned char*>(EMKDU_AES_KEY));
aes.Decrypt(&(payload[0]),&(dataout[0]),16);
CRijndael aes;
try
{
aes.MakeKey(reinterpret_cast<const char*>(EMKDU_AES_KEY),"", 24, 16);
} catch(std::string error)
{
llinfos << error << llendl;
}
try
{
aes.Decrypt((char*)&(payload[0]), (char*)&(dataout[0]), 16, CRijndael::ECB);
} catch(std::string error)
{
llinfos << error << llendl;
}
//payload.clear();
//memcpy(&(payload[0]),&(dataout[0]),dataout.size());
for (i = 0 ; i < 128; ++i)
{
if (dataout[i] == 0) break;
if (dataout[i] == '\0') break;
}
if(i == 0) continue;
if(result.length() > 0)
result.append(" ");
result.assign(dataout.begin(),dataout.begin()+i);
result = "(AES) ";
result.append(dataout.begin(),dataout.begin()+i);
}
else
{
@@ -146,6 +160,8 @@ std::string LLImageMetaDataReader::ExtractEncodedComment(U8* data,int data_size)
if(i < 4) continue;
if(result.length() > 0)
result.append(" ");
result = "(XOR) ";
result.append(payload.begin()+4,payload.begin()+i);
}
//llinfos << "FOUND COMMENT: " << result << llendl;