[cryptography] Using same key for ECDSA and ECIES

Alan Braggins alan.braggins at gmail.com
Fri Sep 20 12:13:30 EDT 2013


On 20/09/13 16:17, Paterson, Kenny wrote:
> It is "technically secure". See:
> http://eprint.iacr.org/2011/615
> especially Section 4.

Thanks. I wish I'd known that back in 2008
https://bugzilla.mozilla.org/show_bug.cgi?id=344179#c6
With a pointer to a security proof, I might have got the
firmware changed.

(But I no longer work for nCipher, so not my problem any more.)



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