[Cryptography] Is ASN.1 still the thing?

Nico Williams nico at cryptonector.com
Fri Nov 17 15:07:24 EST 2017


On Fri, Nov 17, 2017 at 11:13:04AM -0800, Tony Arcieri wrote:
> On Wed, Nov 15, 2017 at 8:47 AM, Nico Williams <nico at cryptonector.com>
> wrote:
> > I don't know of any cases where one does this, but I can imagine one:
> > replicating a logical stream of operations on a Merkle hash tree DB,
> > with a hash/MAC/signature of the final Merkle hash tree root.  The
> > logical stream being a compression of the block-level stream, this is
> > worthwhile just on account of that when the goal is to replicate the
> > same Merkle hash tree on the recipient side.  (Of course, one should
> > also integrity-protect the logical stream in this case.)  This would,
> > indeed, be a legitimate application of canonical encodings.
> 
> You have pretty much just described the architecture of Google Trillian:

Excellent!

Nico
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