Debug/Release problems (again) CryptLib v4.2

[Shripal Meghani]

Hi,   I've got terrible problems with cryptlib. I have two seperate applications, one is a general purpose key generator and the other is an application that uses cryptlib. After some trouble I managed to get the keygen to puke out the same output given an input and vice versa. I did the same to the application.   Now the trouble is when I use the output from the keygen as an input to the application, it doesn't give me the correct result.   Here's what the code looks like:   bool Obfuscate(char * szSrc, BYTE * sEncrypted, int * iBufferSize) { try {     CryptoPP::RijndaelEncryption rEnc(ENCRYPTIONKEY);     memset(sEncrypted, 0, *iBufferSize);     int iSize = strlen(szSrc);     if(iSize > *iBufferSize)     {         return false;     }       if(iSize < *iBufferSize && (*iBufferSize - iSize - 1) > 0)         memset(&szSrc[iSize], 0, *iBufferSize - iSize - 1); // ensure rest of array is empty     // compute no of 16 byte blocks     int nBlocks;     if(iSize % 16 == 0)         nBlocks = iSize/16;     else         nBlocks = iSize/16 + 1; // last block will be padded with 0s       for(int i = 0; i < nBlocks; i++)     {         rEnc.ProcessBlock((BYTE *)&szSrc[i*16], (BYTE *)&sEncrypted[i*16]);     }     *iBufferSize = nBlocks * 16; } catch(CryptoPP::Exception &e) { return false; } catch(std::exception &e) { return false; } catch(...) { return false; } return true; }   Now, what is the problem??   Why should two different programs including the _same_copy_ of the library be unable to yield the same result? The only difference is that one of the apps uses the above code as a member function (of a class) and the other uses it as a raw function (no class).     I picture myself as going bald trying to solve the problem... and I'm only 25!! :) I can provide the project settings if required, but they're absolutely the same.