Question

How to encrypt and decrypt a string in PHP

Answer 1

$s = "PHP Programming";

$cipher = "AES-128-CTR";

$options = 0;
  
$encryption_iv = '1234567890axqvz9'; // penssl_cipher_iv_length($cipher) = 16
$encryption_key = "sylo1902";
$encrypt = openssl_encrypt($s, $cipher, $encryption_key, $options, $encryption_iv);
echo $encrypt . "\n";
  
$decryption_iv = '1234567890axqvz9'; // penssl_cipher_iv_length($cipher) = 16
$decryption_key = "sylo1902";
$decrypt = openssl_decrypt ($encrypt, $cipher, $decryption_key, $options, $decryption_iv);
echo $decrypt;




/*
run:

82FZYbNadQtTmFWW3OWT
PHP Programming

*/

 

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