PHP code example of spomky-labs / php-aes-gcm

1. Go to this page and download the library: Download spomky-labs/php-aes-gcm library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

spomky-labs / php-aes-gcm example snippets




use AESGCM\AESGCM;

// The Key Encryption Key
$K = hex2bin('feffe9928665731c6d6a8f9467308308feffe9928665731c');

// The data to encrypt (can be null for authentication)
$P = hex2bin('d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39');

// Additional Authenticated Data
$A = hex2bin('feedfacedeadbeeffeedfacedeadbeefabaddad2');

// Initialization Vector
$IV = hex2bin('cafebabefacedbaddecaf888');

// $C is the encrypted data ($C is null if $P is null)
// $T is the associated tag
list($C, $T) = AESGCM::encrypt($K, $IV, $P, $A);
// The value of $C should be hex2bin('3980ca0b3c00e841eb06fac4872a2757859e1ceaa6efd984628593b40ca1e19c7d773d00c144c525ac619d18c84a3f4718e2448b2fe324d9ccda2710')
// The value of $T should be hex2bin('2519498e80f1478f37ba55bd6d27618c')

$P = AESGCM::decrypt($K, $IV, $C, $A, $T);
// The value of $P should be hex2bin('d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39')




use AESGCM\AESGCM;

// The values $K, $P, $A, $IV hereafter have the same meaning as above

// $C is the encrypted data with the appended tag
$C = AESGCM::encryptAndAppendTag($K, $IV, $P, $A);
// The value of $C should be hex2bin('3980ca0b3c00e841eb06fac4872a2757859e1ceaa6efd984628593b40ca1e19c7d773d00c144c525ac619d18c84a3f4718e2448b2fe324d9ccda27102519498e80f1478f37ba55bd6d27618c')

$P = AESGCM::decryptWithAppendedTag($K, $IV, $C, $A);
// The value of $P should be hex2bin('d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b392519498e80f1478f37ba55bd6d27618c')




use AESGCM\AESGCM;

// The values $K, $P, $A, $IV hereafter have the same meaning as above
$TL = 96; // In this example the tag length will be 96 bits

list($C, $T) = AESGCM::encrypt($K, $IV, $P, $A, $TL);
// The value of $C should be hex2bin('3980ca0b3c00e841eb06fac4872a2757859e1ceaa6efd984628593b40ca1e19c7d773d00c144c525ac619d18c84a3f4718e2448b2fe324d9ccda2710')
// The value of $T should be hex2bin('2519498e80f1478f37ba55bd')




// The values $K, $IV, $C, $A hereafter have the same meaning as above
$TL = 96; // In this example the tag length will be 96 bits

$P = AESGCM::decryptWithAppendedTag($K, $IV, $C, $A, $TL);

sh
composer 
sh
php ./tests/Benchmark.php