[openssl-users] Generation of the primes p, q and g for DSA using an Hash Function in OpenSSL
Mofassir Ul Haque
mofassir_haque at yahoo.com
Thu Dec 3 05:18:43 UTC 2015
Many thanks for pointing this to me. I will give it a try.Kind Regards,
On Thursday, 3 December 2015 9:57 AM, Jakob Bohm <jb-openssl at wisemo.com> wrote:
On 26/11/2015 11:25, Mofassir Ul Haque wrote:
> We can generate primes p,q and g for DSA in OpenSSL by using command:
> openssl dsaparam -text -out dsaparam.pem 1024
> Is it possible to generate primes p , q and g using an Hash Function
> in OpenSSL if value of L , N and hash function is known ?
> Any help will be greatly appreciated !
One solution (if all else fails) is to implement the
calculations direcly using the bigint functions in
version 1.0.2 and older of OpenSSL.
This has worked very well for me in code that didn't
need FIPS certification.
Jakob Bohm, CIO, Partner, WiseMo A/S. https://www.wisemo.com
Transformervej 29, 2860 Søborg, Denmark. Direct +45 31 13 16 10
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