The cipher Nikola linked to uses SHA1 as a block cipher in OFB mode. Since OFB doesn't require a 'decode' function, it works fine.
It seems like it should be secure as long as SHA1 is, but I'm no cryptographer. -Nick On Nov 28, 9:46 am, "Andrew Badera" <[EMAIL PROTECTED]> wrote: > SHA == one-way hashing, not encryption. > > Thanks- > - Andy Badera > - [EMAIL PROTECTED] > - (518) 641-1280 > > -http://higherefficiency.net/ > -http://changeroundup.com/ > > -http://flipbitsnotburgers.blogspot.com/ > -http://andrew.badera.us/ > > - Google me:http://www.google.com/search?q=andrew+badera > > On Fri, Nov 28, 2008 at 4:10 AM, Nikola <[EMAIL PROTECTED]> wrote: > > > You can try encryption based on the built-in SHA module that is > > supposed to be implemented in native code: > > >http://www.nightsong.com/phr/crypto/p3.py > > > On Nov 27, 7:22 am, Leonid Evdokimov <[EMAIL PROTECTED]> wrote: > > > Marzia Niccolai wrote: > > > > There aren't many pure python implementations for encryption libraries, > > > > for obvious performance reasons. > > > > I there full list of preinstalled libraries in GAE environment available > > > somewhere? Yes, documentation refers to python 2.5 standard library, but > > > there are lots of binary stuff in stdlib. For example, hashlib has > > > _hashlib.so, but it's available in GAE as far as I understand. > > > > > If you are interested in encryption support for App Engine, you should > > > > probably star this feature request in the issue tracker: > > > >http://code.google.com/p/googleappengine/issues/detail?id=534 > > > > Heh, I've done that before I mailed to the list. :) > > > > -- > > > WBRBW, Leonid Evdokimov > > > > signature.asc > > > < 1KViewDownload --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine" group. To post to this group, send email to google-appengine@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/google-appengine?hl=en -~----------~----~----~----~------~----~------~--~---