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How_to_generate_an_bcrypt_hash.md

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wg-password

wg-password (wgpw) is a script that generates bcrypt password hashes for use with wg-easy, enhancing security by requiring passwords.

Features

  • Generate bcrypt password hashes.
  • Easily integrate with wg-easy to enforce password requirements.

Usage with Docker

To generate a bcrypt password hash using docker, run the following command :

docker run -it ghcr.io/wg-easy/wg-easy wgpw YOUR_PASSWORD
PASSWORD_HASH='$2b$12$coPqCsPtcFO.Ab99xylBNOW4.Iu7OOA2/ZIboHN6/oyxca3MWo7fW' // literally YOUR_PASSWORD

If a password is not provided, the tool will prompt you for one :

docker run -it ghcr.io/wg-easy/wg-easy wgpw
Enter your password:      // hidden prompt, type in your password
PASSWORD_HASH='$2b$12$coPqCsPtcFO.Ab99xylBNOW4.Iu7OOA2/ZIboHN6/oyxca3MWo7fW'

Important : make sure to enclose your password in single quotes when you run docker run command :

$ echo $2b$12$coPqCsPtcF <-- not correct
b2
$ echo "$2b$12$coPqCsPtcF" <-- not correct
b2
$ echo '$2b$12$coPqCsPtcF' <-- correct
$2b$12$coPqCsPtcF

Important : Please note: don't wrap the generated hash password in single quotes when you use docker-compose.yml. Instead, replace each $ symbol with two $$ symbols. For example:

- PASSWORD_HASH=$$2y$$10$$hBCoykrB95WSzuV4fafBzOHWKu9sbyVa34GJr8VV5R/pIelfEMYyG

This hash is for the password 'foobar123', obtained using the command docker run ghcr.io/wg-easy/wg-easy wgpw foobar123 and then inserted an additional $ before each existing $ symbol.