On Oct 10, 5:40 am, Niknak <[email protected]> wrote: > Hi Jeff, > > I've taken a look at the link you posted but am still not entirely > sure how best to implement this so maybe I can approach this > differently. > > Is it possible to use another method, other than ProcessData to pass > in arbitrarily sized byte arrays to be encrypted and have the counter > incremented automatically? Do you mean like http://www.cryptopp.com/wiki/Ctr?
Jeff > On Oct 2, 7:34 pm, Jeffrey Walton <[email protected]> wrote: > > > On Sep 27, 5:02 am, Niknak <[email protected]> wrote:> Hi there, > > > > I'm currently having some issues with the AES-CTR implementation, no > > > doubt I'm missing some crucial step, but it seems that the counter in > > > my IV is not being incremented with every block. > > > > I'm calling ProcessData to perform encryption on the blocks of data as > > > I'm currently integrating it into an existing system. > > > > I know something isn't quite right as when I attempt to decrypt using > > > WinZip/7Zip etc. it only manages to do the first block of any file, > > > everything after that fails with a password mismatch. I assume this > > > is IV related. > > > If you are using ProcessData directly, I believe you need to manually > > increment the IV for each block processed. > > Seehttp://www.mail-archive.com/[email protected]/msg05066.... > > for inspiration. -- You received this message because you are subscribed to the "Crypto++ Users" Google Group. To unsubscribe, send an email to [email protected]. More information about Crypto++ and this group is available at http://www.cryptopp.com.
