claudusd/cryptography

A cryptography PHP 5.4 library.

dev-master 2014-05-11 18:09 UTC

Requires

• php: >=5.4.0

MIT

• Claude Dioudonnat

• cryptography
• encryption
• signature
• openssl

README

This is a PHP5 library about the cryptography. The library uses the PHP openssl methods.

Installation

The recommended way to install Cryptography is through composer (claudusd/cryptography on packagist)

Just create a composer.json file for your project:

{
    "require": {
        "claudusd/cryptography": "*"
    }
}

And run these two commands to install it:

$ curl -sS https://getcomposer.org/installer | php
$ composer install

Now you can add the autoloader, and you will have access to the library:

<?php

require 'vendor/autoload.php';

Usage

Key Generation

This part of the library is used for key generation for the public key encryption.

The KeyGeneration abstract class have the methods getPrivateKey() to get the private key and getPublicKey() to get the public key.

Implementation

The library have a default implementation for generation key for RSA encryption with 4096 bits's lenght. Each instance of this class generates a new pair of key.

Encryption/Decryption

The class for encryption and decryption implement the interface EncryptionInterface and use two methods, encrypt() and decrypt().

Implementation

By default the library have 2 implementations :

• The First is a symmectric key encryption with the algorythm AES 256 CBC.
• The second is a public key encryption for any RSA' key lenght.

Hash

The class for hash implement the interface HashInterface and use the method hash().

Implementation

By default the library implement the SHA1 hash.

Signature

The signature class implement the interface SignatureInterface and use two methods, sign() and verify().

Implementation

By default the library implement the data sign with a private key and verify with a public key.