Re: [cryptography] DIAC: Directions in Authenticated Ciphers

2012-05-09 Thread Zooko Wilcox-O'Hearn
following-up to my own post: On Wed, May 9, 2012 at 6:34 AM, Zooko Wilcox-O'Hearn zo...@zooko.com wrote: 1. Decrypt the data, 2. Verify the integrity of the data, 3. Generate MAC tags for other data which would pass the integrity check. The fact that 3 is included in that bundle of

Re: [cryptography] DIAC: Directions in Authenticated Ciphers

2012-05-09 Thread Thierry Moreau
In a long message, Zooko Wilcox-O'Hearn wrote, in part: the person who has the authority to sign the message can *not* sign new messages it means that the data is immutable once transmitted, even to someone who has all of the secrets that the original sender had. This looks like a

[cryptography] DIAC: Directions in Authenticated Ciphers

2012-05-02 Thread D. J. Bernstein
The DIAC submission page is now open, with a deadline at the end of Monday 7 May (American Samoa time): http://hyperelliptic.org/conferences/diac/iChair/submit.php DIAC is an ECRYPT-sponsored workshop that will take place 5--6 July in Stockholm, in particular evaluating the idea of a new

Re: [cryptography] DIAC: Directions in Authenticated Ciphers

2012-05-02 Thread Nico Williams
On Wed, May 2, 2012 at 8:00 PM, D. J. Bernstein d...@cr.yp.to wrote: I should emphasize that an authenticated-cipher competition would be much more than an AE mode competition. There are certainly people working on new ways to use AES, but there are many more people working on new