GeonoTRON2000

#!/bin/bash -e
# Encrypt: ./crypto.sh github_username <message.txt
# Decrypt: ./crypto.sh <encrypted.txt

if [[ -n "$1" ]]; then
  curl -sf "https://github.com/$1.keys" >/tmp/pubkey.pub
  ssh-keygen -f /tmp/pubkey.pub -e -m PKCS8 >/tmp/pubkey.pem.pub
  openssl rsautl -encrypt -pubin -inkey /tmp/pubkey.pem.pub | openssl base64 -e
  rm /tmp/pubkey.pub /tmp/pubkey.pem.pub
else