Hey thanks Shawn! It works, just needed to adjust my key to 192, let my function know it has to deal with 24 byte key. and voila it works!
Thanks for the help! Ed Shawn Masters ([EMAIL PROTECTED]) wrote: > > Not that I have actually done this and tested it, but you should > just be able to replace DES with DES_EDE3 in the mode template declaration > for the encryptor. After that you would need to adjust the key size. > > DES_EDE2 should work the same way with a 112 bit key. > > Good luck, > Shawn > > > > -----Original Message----- > > From: Edmund Wong [mailto:[EMAIL PROTECTED] > > Sent: Friday, May 21, 2004 11:26 AM > > To: [EMAIL PROTECTED] > > Subject: 3DES Question > > > > Hello, > > I've used the "How to use a block cipher in 5.0" in the FAQs and slightly > > modified it to use it with DES. Does anyone know how I can modify it so it > > uses 3DES (Triple DES)? > > Any help would be great! > > Here is my current code, I am using Crypto++ 5.1: > > > > const byte key2[] = ;//The > > same as > > @@@@@@@@ converted to ascii value then to Hex > > const byte iv2[] = {0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x40 > > byte plaintext[32]; > > string MyText = "Chickens"; > > for(int x = 0; x<8; x++) > > { > > plaintext[x] = MyText[x]; > > } > > > > byte ciphertext2[32]; > > CBC_Mode<DES>::Encryption encryption_DES_CBC; > > encryption_DES_CBC.SetKeyWithIV(key2, 8, iv2);//8x8bits = 64 bit > > key, 64bit > > IV > > encryption_DES_CBC.ProcessString(ciphertext2, plaintext,8); > > string temp2; > > HexEncoder(new StringSink(temp2)).Put(ciphertext2,8); > > HexEncoder(new FileSink("DES.txt")).Put(ciphertext2,8); > > cout<<"C: "<<temp2<<endl<<endl; > > > > Thanks, > > > > New to Crypto++, > > Edmund > > > >
