@ 2014-05-13T15:04:17Z <?php
function encrypt_decrypt($action, $string) {
$output = false;
$encrypt_method = "AES-256-CBC";
$secret_key = 'This is my secret key';
$secret_iv = 'This is my secret iv';
// hash
$key = hash('sha256', $secret_key);
// iv - encrypt method AES-256-CBC expects 16 bytes - else you will get a warning
$iv = substr(hash('sha256', $secret_iv), 0, 16);
if( $action == 'encrypt' ) {
$output = openssl_encrypt($string, $encrypt_method, $key, 0, $iv);
$output = base64_encode($output);
}
else if( $action == 'decrypt' ){
$output = openssl_decrypt(base64_decode($string), $encrypt_method, $key, 0, $iv);
}
return $output;
}
$plain_txt = "This is my plain text";
echo "Plain Text = $plain_txt\n";
$encrypted_txt = encrypt_decrypt('encrypt', $plain_txt);
echo "Encrypted Text = $encrypted_txt\n";
$decrypted_txt = encrypt_decrypt('decrypt', $encrypted_txt);
echo "Decrypted Text = $decrypted_txt\n";
if( $plain_txt === $decrypted_txt ) echo "SUCCESS";
else echo "FAILED";
echo "\n";
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Output for 7.0.0 - 7.0.33 , 7.1.0 - 7.1.33 , 7.2.0 - 7.2.34 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Plain Text = This is my plain text
Fatal error: Uncaught Error: Call to undefined function openssl_encrypt() in /in/CArS9:17
Stack trace:
#0 /in/CArS9(30): encrypt_decrypt('encrypt', 'This is my plai...')
#1 {main}
thrown in /in/CArS9 on line 17
Process exited with code 255 . Output for 5.1.2 - 5.1.6 , 5.2.0 - 5.2.17 , 5.3.0 - 5.3.29 , 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.40 Plain Text = This is my plain text
Fatal error: Call to undefined function openssl_encrypt() in /in/CArS9 on line 17
Process exited with code 255 . Output for 5.0.0 - 5.0.5 , 5.1.0 - 5.1.1 Plain Text = This is my plain text
Fatal error: Call to undefined function hash() in /in/CArS9 on line 11
Process exited with code 255 . Output for 4.4.5 - 4.4.9 Plain Text = This is my plain text
Fatal error: Call to undefined function: hash() in /in/CArS9 on line 11
Process exited with code 255 . Output for 4.3.2 - 4.3.11 , 4.4.0 - 4.4.4 Plain Text = This is my plain text
Fatal error: Call to undefined function: hash() in /in/CArS9 on line 11
Process exited with code 255 . Output for 4.3.0 - 4.3.1 Plain Text = This is my plain text
Fatal error: Call to undefined function: hash() in /in/CArS9 on line 11
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