Are their pre-compiled programs already where I could be able to see/play with the effects of changing the number of rounds using the Rijndael algorithm?
On Sun, Mar 17, 2013 at 11:23 AM, Ewen Chan <chan.e...@gmail.com> wrote: > Is AES-CBC decryption independent of the number of rounds that was > used during the encryption process? 0.o? > > On Sun, Mar 17, 2013 at 10:04 AM, Ewen Chan <chan.e...@gmail.com> wrote: >> Curious question - still more about AES and CBC and openssl: >> >> Does the number of rounds during the encryption phase of it have to >> match the number of rounds during the decryption phase of it, or does >> it not matter? (i.e. the "rounds" count really only matters during the >> encryption-only phase, and for decryption; it is independent of it)? >> >> On Sat, Mar 16, 2013 at 11:33 PM, Ewen Chan <chan.e...@gmail.com> wrote: >>> I was just curious, cuz other people have spelled it that way as well. >>> And I just wanted to be sure. Thanks. >>> >>> On Sat, Mar 16, 2013 at 11:29 PM, <shath...@e-z.net> wrote: >>>> Congrats! you caught my typing error. >>>> Steven J. Hathaway >>>> >>>>> Thanks. >>>>> >>>>> Is the name spelt Rijndael or Rijndahl? >>>>> >>>>> On Sat, Mar 16, 2013 at 8:15 PM, <shath...@e-z.net> wrote: >>>>>> AES/Rijndahl >>>>>> >>>>>> AES has fixed number of rounds and other parameters. >>>>>> Rijndahl allows you to specify the algorithm parameters including number >>>>>> of rounds. >>>>>> >>>>>> Steven J. Hathaway >>>>>> >>>>>>> So is the number of rounds set by Rijndahl or the AES spec? I'm >>>>>>> confused. >>>>>>> >>>>>>> And is the number of rounds hard-coded into the OpenSSL source; or is >>>>>>> it embedded somewhere else? >>>>>>> >>>>>>> On Fri, Mar 15, 2013 at 7:27 PM, <shath...@e-z.net> wrote: >>>>>>>> I don't know the interfaces to OpenSSL, but AES-192 specifies the >>>>>>>> number >>>>>>>> of rounds. The approved AES algorithms specify a subset of Rijndahl >>>>>>>> cipher whereby you can specify alternative numbers of rounds, key >>>>>>>> sizes, and block sizes. >>>>>>>> >>>>>>>> Sincerely, >>>>>>>> Steven J. Hathaway >>>>>>>> >>>>>>>>> There's a file that I want to encrypt using AES-192-CBC but with 19 >>>>>>>>> rounds rather than the default 12-rounds. >>>>>>>>> >>>>>>>>> Is there a way for me to specify the number of rounds that I would >>>>>>>>> like to use with the AES-192-CBC? (and override the algorithm >>>>>>>>> defaults)? >>>>>>>>> >>>>>>>>> Is that something that I can within the openssl command itself (to >>>>>>>>> encrypt a file) or is the process much more involved than that? And >>>>>>>>> requires programming/scripting? >>>>>>>>> ______________________________________________________________________ >>>>>>>>> OpenSSL Project >>>>>>>>> http://www.openssl.org >>>>>>>>> User Support Mailing List >>>>>>>>> openssl-users@openssl.org >>>>>>>>> Automated List Manager >>>>>>>>> majord...@openssl.org >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> ______________________________________________________________________ >>>>>>>> OpenSSL Project http://www.openssl.org >>>>>>>> User Support Mailing List openssl-users@openssl.org >>>>>>>> Automated List Manager majord...@openssl.org >>>>>>> ______________________________________________________________________ >>>>>>> OpenSSL Project http://www.openssl.org >>>>>>> User Support Mailing List openssl-users@openssl.org >>>>>>> Automated List Manager majord...@openssl.org >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> ______________________________________________________________________ >>>>>> OpenSSL Project http://www.openssl.org >>>>>> User Support Mailing List openssl-users@openssl.org >>>>>> Automated List Manager majord...@openssl.org >>>>> ______________________________________________________________________ >>>>> OpenSSL Project http://www.openssl.org >>>>> User Support Mailing List openssl-users@openssl.org >>>>> Automated List Manager majord...@openssl.org >>>>> >>>>> >>>> >>>> >>>> ______________________________________________________________________ >>>> OpenSSL Project http://www.openssl.org >>>> User Support Mailing List openssl-users@openssl.org >>>> Automated List Manager majord...@openssl.org ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
