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Re: [openpgp] Proposal to include AEAD OCB mode to 4880bis

2017-10-25 11:27:47
On Wed, 25 Oct 2017, Ronald Tse wrote:

Since bis-02 now formally defines the AEAD packet and an AEAD algorithm registry, 
I’d like to bring up the topic again of
adding OCB to the draft given its clear benefits. There have been previous 
mentions of patent concerns, but OCB is freely
licensed for open source tools and has been included in libraries like OpenSSL 
and Botan.

What is the advantage of adding more and more algorithms and variants?

If OCB is clearly a winner over another algorithm candidate to be added,
is the inferior other candidate removed?

Adding algorithms is easy. Removing them is hard. That should raise the
bar for adding new ones.

Paul

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