On Dec 22, 12:27 pm, Jamaal Scarlett <[email protected]> wrote: > Thank you for the reply. Upon further reading, it looks like the 256 in > mcrypts RIJNDAEL_256 refers to the block cipher size. Does cryptopp aes > support a 32-bit block cipher size? No, AES is a 16 byte block size. SHACAL2 has a larger block size if you need it.
I believe Zooko (correct me here) needed a cipher with a larger block size and used SHACAL2 for Tahoe-LFS (http://en.wikipedia.org/wiki/ Tahoe-LAFS). Jeff > On Saturday, December 22, 2012 4:11:58 AM UTC-5, Jeffrey Walton wrote: > > > On Dec 22, 2:21 am, Jamaal Scarlett <[email protected]> wrote: > > > Is it possible to change key lengths. On the wiki it states that > > 16,24&32 byte keys are supported in aes but I cannot find any documentation > > on changing itbftomvthe default of 16. I am attempting to encrypt/decrypt > > data to communicate with a server using mcrypt rijndael 256, however there > > is a memory leak in the version of mcrypt we are using. Is 256 bit > > supported? > > > Yes. All relevant objects take a key and key size. See, for example, > >http://www.cryptopp.com/wiki/CBC_mode. -- 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.
