[messaging] Sphinx symmetric crypto questions

[Jeff Burdges]

On Wed, 2015-11-11 at 19:06 -0500, Ian Goldberg wrote:
> What Sphinx needs from Lioness is a "large block" block cipher.  You
> can
> implement that however you like, but Lioness was a straightforward
> construction.

Ahh, these large block cyphers are relatively rare I take it.  There
are plenty of block cyphers where the forward and reverse directions
might not both be secure, right?  I'd imagine these should be avoided. 

Best,
Jeff
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 819 bytes
Desc: This is a digitally signed message part
URL: <http://moderncrypto.org/mail-archive/messaging/attachments/20151112/5161c4ae/attachment.sig>