openssl encrypt

README.md

Encrypts a file using OpenSSL. Requires ENC_PASS set and INSECURE pointing to the absolute path of the insecure file to encrypt.

run.sh

#!/bin/bash
if [ -z "$ENC_PASS" ]; then
  echo "ENC_PASS not set"
  exit 1
fi
if [ ! -f "$INSECURE" ]; then
  echo "INSECURE file not set/found"
  exit 1
fi
salt=$(openssl dgst -hmac "$INSECURE:$ENC_PASS" -sha256 "$INSECURE" | tail -c 16)
openssl enc -aes-256-cbc -pass env:ENC_PASS -e -a -S $salt -in "$INSECURE" -out "$INSECURE.secure"