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How to create a DSA OpenSSL certificate

19 April 2009

I just needed an OpenSSL DSA public key. This is not really difficult, you just need to know the right commands. On my Mac I ran the following commands to obtain both private dsa_priv.pem and public dsa_pub.pem keys.

openssl dsaparam 1024 < /dev/random > dsaparam.pem
openssl gendsa dsaparam.pem -out dsa_priv.pem
openssl dsa -in dsa_priv.pem -pubout -out dsa_pub.pem

Needless to say, keep your private key in secure location and make sure you have a backup of it!