[noise] Proposal: certificate and private key format

Tony Arcieri bascule at gmail.com
Mon May 2 13:50:29 PDT 2016

On Mon, May 2, 2016 at 12:39 PM, Rhys Weatherley <rhys.weatherley at gmail.com>

> Protobufs should be slightly more compact than ASN.1 DER.  ASN.1 DER uses
> (tag, size, value) for fields whereas protobufs can get away with (tag,
> value) for integer fields.  Arrays are also quite compact for integer
> types.  String and compound fields are about the same length.  The main
> length gains for certificates are in naming: X.509 DN's are quite verbose
> compared with "foo at domain".
> The first signed certificate example on my site produces 388 bytes of
> output as a protobuf.  Without the signature (i.e. a self-issued
> certificate), it is 164 bytes.

Take a look at ASN.1 OER. It has many echoes of Protobufs, similar
compactness, and a substantially simpler implementation than e.g. BER:


Tony Arcieri
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