HP SSL for OpenVMS provides a command line interface that
allows you to use the cryptography functions of SSL's cryptography
library from the OpenSSL command prompt (OPENSSL>).
You can use the command-line interface for the following tasks:
Creating RSA, DH and DSA key parameters
Creating X.509 certificates, CSRs, and CRLs
Calculating message digests
Encrypting and decrypting with ciphers
Testing on SSL/TLS clients and servers
Handling of S/MIME signed or encrypted mail
For reference information about the OpenSSL commands, see
the OpenSSL Command Line Interface (CLI) Reference.