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“The Man who says he can, and the man who says he can not.. Are both correct”

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ahbanavi / encryption.php

Last active May 1, 2024 23:18

Encrypt / Decrypt JSON data between Python and PHP using AES 256 GCM

	<?php
	const PASSPHRASE = ''; // use 'openssl rand -hex 32' to generate key, same with python

	function encrypt(array $data): string
	{
	$data_json_64 = base64_encode(json_encode($data));
	$secret_key = hex2bin(PASSPHRASE);
	$iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-gcm'));
	$tag = '';
	$encrypted_64 = openssl_encrypt($data_json_64, 'aes-256-gcm', $secret_key, 0, $iv, $tag);