The OpenSSLAsymmetricKey class

(PHP 8)

Introduction

A fully opaque class which replaces OpenSSL key resources as of PHP 8.0.0.

Class synopsis

final class OpenSSLAsymmetricKey {

}

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User Contributed Notes 1 note

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kaiserwaseem at gmail dot com ¶

1 year ago

<?php

$data="Your secret data goes here...";
$encrypted_data = "";

//Sample Public Key in your pem file:
$publicKey='-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoKQH6XtTUYPSIWPjtcA3I6VBF3F3TZMd9RImq0YG55qGIJvOOP0MeVib
D7MFtN4hv6ke3NyYaaUfRaxQ6mrDGzd
YOzdkqebjUzSNnwd8eQCRL2rvOsgUhf2yghLBlxq+9yfpzDV3KQ58JkCqvV1trBt/ISjPtgbK24V3v55z+cN558DMgyQmV
8pYrTFzktFVlJP20DR08HzIGimlWq/ixUfY4K
rznqapnKMw1u6SVVgGem67LC8HO9Mfx3KDseJaG7oUbSWq8vaTW2ewjEfs5JRt1OMUol7CHHtqVprcMizclqCO9Kh
Dmpussq19l0LbKbGkC73uK0Nm8RyfGhiWCQIDAQAB
-----END PUBLIC KEY-----';

//following line will return the object of OpenSSLAsymmetricKey
$oOpenSSLAsymmetricKey = openssl_get_publickey($publicKey);

//following line will return the encrypted data with RSA 2048 encryption
$encryptedData =  openssl_public_encrypt(
    $data,
    $encrypted_data,
   $oOpenSSLAsymmetricKey,
     OPENSSL_SSLV23_PADDING
);

var_dump($encrypted_data);

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