On Wed, 4 Sep 2013 10:37:12 -0400 "Perry E. Metzger" <pe...@piermont.com> wrote: > Phil Karn described a construction for turning any hash function > into the core of a Feistel cipher in 1991. So far as I can tell, > such ciphers are actually quite secure, though impractically slow. > > Pointers to his original sci.crypt posting would be appreciated, I > wasn't able to find it with a quick search.
Answering my own question https://groups.google.com/forum/#!original/sci.crypt/tTWR2qIII0s/iDvT3ptY5CEJ Note that Karn's construction need not use any particular hash function -- he's more or less simply describing how to use a hash function of any sort as the heart of a Feistel cipher. Perry -- Perry E. Metzger pe...@piermont.com _______________________________________________ The cryptography mailing list cryptography@metzdowd.com http://www.metzdowd.com/mailman/listinfo/cryptography