Usage: pyrsa-keygen [options] keysize

Generates a new RSA keypair of "keysize" bits.

Options:
  -h, --help         show this help message and exit
  --pubout=PUBOUT    Output filename for the public key. The public key is not saved if this
                     option is not present. You can use pyrsa-priv2pub to create the public key
                     file later.
  -o OUT, --out=OUT  Output filename for the private key. The key is written to stdout if this
                     option is not present.
  --form=FORM        key format of the private and public keys - default PEM