# a Encrypt or decrypt files and directories using `age` and your GitHub SSH keys. ## Usage ```bash a encrypt a decrypt ``` Options: - `-v`, `--verbose` – show log output Environment variables: - `AGE_KEYSFILE` – location of the keys file - `AGE_KEYSSOURCE` – URL to fetch keys if missing - `AGE_LOGFILE` – log file path ## Example ```bash a encrypt secret.txt a decrypt secret.txt.age ```