On Tue, Mar 17, 2015, Michael Stickles wrote: > I am attempting to generate keys using genpkey, with the RSA options > specified in a parameter file: > > > openssl genpkey -paramfile keygen.params -out ftest.key -outform PEM > > > However, I'm constantly getting the following error: > > > Error reading parameter file keygen.params > > > I can't find any documentation or examples on what format the parameter > file should be in. Can someone either provide an example of what the > parameter file should look like, or point to me to one online? I'm not > having any trouble getting it to work with the parameters specified on the > command line, but for various reasons would like to have them in a file. > The parameter file is a set of parameters associated with the algorithm and is typically generated using the -genparam command line option. For RSA there is no associated parameter file which is why you get errors. Steve. -- Dr Stephen N. Henson. OpenSSL project core developer. Commercial tech support now available see: http://www.openssl.org