On Tue, Apr 16, 2013 at 08:21:18AM +0200, Sandoche Balakrichenan wrote:

> > Is the document a paper for academic publication or a How-To guide
> > for system administrators?  It seems to be a strange mixture of
> > the two.
>
> ==> More as an How-To guide?

And yet it is written in the style of an academic paper.

If it is a How-To, it needs to be HTML not PDF, with links at the
top to each section and links to references in-line, not in a
references section at the end.  A How-To guide is rarely read in
full.

Since this How-To guide is not for implementors of client-side
browser implementations, it does not need to discuss the features
or tests of such a client.

The not generally pre-installed SWEDE tool is not needed to compute
the certificate and public-key digests, for example with OpenSSL:

  # Certificate digest with with OpenSSL:
  $ openssl x509 -in /tmp/cert.pem -outform DER |
      openssl dgst -sha256 |
      awk -v L=www.example.com '{printf "%s. IN TLSA 3 0 1 %s\n", L, $NF}'

  # Public key digest with OpenSSL 1.0.x with all certificate types.
  $ openssl x509 -in cert.pem -noout -pubkey |
      openssl pkey -pubin -outform DER |
      openssl dgst -sha256 |
      awk -v L=www.example.com '{printf "%s. IN TLSA 3 1 1 %s\n", L, $NF}'

  # Public key digest with OpenSSL 0.9.8 with RSA certificates.
  $ openssl x509 -in cert.pem -noout -pubkey |
      openssl rsa -pubin -outform DER |
      openssl dgst -sha256 |
      awk -v L=www.example.com '{printf "%s. IN TLSA 3 1 1 %s\n", L, $NF}'

The guide needs to be more concise with sections clearly focused on the
limited attention of a How-To reader.

-- 
        Viktor.
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