Re: openssl and DSA q size doubt

Billy Brumley <[email protected]>
Newsgroups gmane.comp.encryption.openssl.user
Message-ID <[email protected]>
Howdy,

> But  my question is why q is not 160 bits but instead 224 bits was used by openssl since the FIPS 186 standard clearly says to use q size 160 bits for p size 1024 bits?
> 
> Can someone familiar with the topic, clarify my doubt please? Maybe I missed some fine points in the standard.

I'd suggest using `genpkey` instead of `dsaparam`, like so:

openssl genpkey -genparam -algorithm DSA -pkeyopt pbits:1024 -pkeyopt 
qbits:160

Cheers,

BBB
smime.p7s (application/pkcs7-signature, 4 KB) - not displayed
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.