openssl dsaparam -help

saolasosme

dsaparam DSA Parameter Generation and Management. Superseded by genpkey(1) and pkeyparam(1).

$ openssl dsaparam -help
Usage: dsaparam [options]
Valid options are:
 -help               Display this summary
 -inform PEM|DER     Input format - DER or PEM
 -in infile          Input file
 -outform PEM|DER    Output format - DER or PEM
 -out outfile        Output file
 -text               Print as text
 -C                  Output C code
 -noout              No output
 -genkey             Generate a DSA key
 -rand val           Load the file(s) into the random number generator
 -writerand outfile  Write random data to the specified file
 -engine val         Use engine e, possibly a hardware device