crowdstar / crypt
Handle data encryption/decryption.
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Requires
- php: >=7.4
- phpseclib/phpseclib: ~3.0.0
Requires (Dev)
- phpunit/phpunit: ~8.0|~9.0
This package is auto-updated.
Last update: 2024-10-09 22:36:22 UTC
README
Summary
The crypt package creates a simple interface for the phpseclib AES-128 library. Its interface allows encryption and decryption of strings with a layer of base64 encoding for easy transmission including the initialization vector.
Installation
composer require crowdstar/crypt:~2.0.0
Sample Usage
Before using the library, you need to choose a secret key, which should be of size 16, 24 or 32 only.
<?php $secretKey = "1234567890123456";
1. Encrypt and Encode plain text data for storage or transmission
<?php use CrowdStar\Crypt\Crypt; $encodedEncryptedData = (new Crypt($secretKey))->encrypt("message");
2. Decoding and Decrypting stored or received data
<?php use CrowdStar\Crypt\Crypt; $encodedEncryptedData = (new Crypt($secretKey))->decrypt("encoded_encrypted_data");
3. Encrypting and Decrypting with an alternate length initialization vector
<?php use CrowdStar\Crypt\Crypt; $crypt = new Crypt($secretKey); $alternateIVLength = 8; $encodedEncryptedData = $crypt->encrypt("message", $alternateIVLength); $plainText = $crypt->decrypt($encodedEncryptedData, $alternateIVLength);
When bad data is passed in, the return value of method call CrowdStar\Crypt\Crypt::decrypt()
will be an empty string.