How to Integrate SHA1 Encryption in Laravel Instead of BCrypt?

How to Integrate SHA1 Encryption in Laravel Instead of BCrypt

Many may encounter the need to utilize SHA1 encryption in Laravel, even when the desired algorithm is BCrypt. However, Laravel does not inherently support SHA1. This article explores how to seamlessly integrate SHA1 encryption into Laravel without altering the source code.

Problem:

A developer requires SHA1 encryption for an Automatic Account Creator (AAC). The server supports SHA1 but not BCrypt. Direct implementation of SHA1 on registration alone is not sufficient for authentication.

Solution:

Rewriting the Hash Module

Laravel adheres to the principles of IoC (Inversion of Control) and Dependency Injection. This facilitates the creation of a custom hash module.

SHAHash Class

Create a class, SHAHasher, that implements the HasherInterface. Implement the three essential methods: make, check, and needsRehash.

SHAHashServiceProvider

Register the SHAHashServiceProvider. It will swap the default hash provider with your custom SHAHasher.

Modification of app.php

Modify the providers array in app/config/app.php. Remove the BCrypt provider and insert the SHAHashServiceProvider.

Additional Notes:

• If using Laravel 5, implement Illuminate/Contracts/Hashing/Hasher instead of IlluminateHashingHasherInterface.
• Ensure that the autoload.classmap in composer.json includes the app/libraries folder.

Advantages of this Approach:

• Allows for the use of SHA1 encryption without modifying the core Laravel framework.
• Maintains the IoC design principle for module extensibility.

Example Usage:

In the registration controller:

<code class="php">$password = sha1($request->input('password'));</code>

In the authentication controller:

<code class="php">$credentials = array('email' => $email, 'password' => $sha1Password);</code>

This method empowers developers to seamlessly integrate SHA1 encryption into their Laravel applications, even when the framework defaults to BCrypt.

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