OpenSSL Crypto Tools: Essential OpenBSD and OpenSSL Crypto Skills
OpenBSD ships with an excellent set of Open Source cryptographic tools whose main component is the OpenSSL library and the openssl(1) command-line interpreter. If you need reliable cryptographic tools you will always find them in OpenBSD. And if you need a helping hand when OpenBSD crypto overwhelms you, The Little Book of OpenBSD Crypto Tools is here to show you the shortest path to the right solution. It is a short guide to the OpenBSD cryptographic tools (OpenSSL, swap encryption, partition encryption). It will help you learn how to use OpenSSL to debug your SSL servers, how to use SSL certificates, encryption, and more!