OpenSSLis the widely used encryption layer in UNIX operating systems. The most common day to day use is providing transport layer security to websites, such as this one and indicated by the use of https in the URL.

Points to be covered in this document

• Generating a private key
• Generating a Certificate Signing Request
• Fitting an SSL key
• Verification
• Starting a Certificate Authority.

Will be fleshed out as time allows.

Creating and using S/MIME

First, generate your new key:

$ openssl genrsa -out smime.key 2048