For symmetic encryption, you can use the following:
To encrypt:
openssl aes-256-cbc -salt -a -e -in plaintext.txt -out encrypted.txt
To decrypt:
Ben Walker bnwlkr
dreikanter
/ encrypt_openssl.md
Last active
August 9, 2025 14:38
— forked from crazybyte/encrypt_openssl.txt
File encryption using OpenSSL
grenade
/ 01-generate-ed25519-ssh-key.sh
Last active
August 28, 2025 19:00
generate ed25519 ssh and gpg/pgp keys and set file permissions for ssh keys and config
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| #!/bin/bash | |
| mkdir -p ~/.ssh | |
| # generate new personal ed25519 ssh keys | |
| ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_ed25519 -C "rob thijssen <[email protected]>" | |
| ssh-keygen -o -a 100 -t ed25519 -f ~/.ssh/id_robtn -C "rob thijssen <[email protected]>" | |
| # generate new host cert authority (host_ca) ed25519 ssh key | |
| # used for signing host keys and creating host certs |