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Re: certtool --generate-dh-params: Size of generator in 2.12.19 and 3.0.
From: |
Andreas Metzler |
Subject: |
Re: certtool --generate-dh-params: Size of generator in 2.12.19 and 3.0.19 |
Date: |
Sun, 27 May 2012 12:12:26 +0200 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On 2012-05-27 Andreas Metzler <address@hidden> wrote:
[...]
> ------------------
> + 3.0.19 Uses a large value for Generator
> + In 3.0.19 the size of "Prime" is not constant.
> ("openssl dhparam" produces results similar to 2.12.19.)
> Do DH paramater files generated with OpenSSL/GnuTLS-2.12.19 work fine with
> GnuTLS-3.0.19, or the other way round do DH paramater files generated
> with GnuTLS-3.0.19 work fine with OpenSSL/GnuTLS-2.12.19?
I have stumbled upon
http://nikmav.blogspot.com/2011/12/generating-diffie-hellman-parameters.html
which afaiu answers these questions with: Cross-Compability is no
problem, but GnuTLS 3 should be faster with a file written by GnuTLS 3
because privateValueLength is used if present.
Do I understand this correctly?
thanks, cu andreas