Tag: #cli

How do I create a message digest using openssl?

Create message digests using the openssl dgst command, specifying the hash algorithm (e.g. -sha512) and optionally signing with a shared password using -hmac. 2017-03-13

How do I fetch a server’s SSL certificate using openssl?

Use the openssl s_client command to fetch a server’s SSL certificate chain, including the root certificate. 2017-03-11

How do I generate random bytes with openssl?

Generate random bytes with openssl rand, which uses a PRNG seeded with entropy from ~/.rnd. 2017-03-10

How do I encrypt text with openssl?

Encrypt and decrypt text using the openssl enc command with a password and AES-256 cipher. The encrypted text is base64-encoded. 2017-03-09

All content copyright James Fisher.