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<?php $key = '057e6752d585a7a94894dff65ab2537e'; $key = hash('sha256', $key, true); function encrypt($value) { $encryption_key = base64_decode($key); $iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cbc')); $encrypted = openssl_encrypt($value, 'aes-256-cbc', $encryption_key, 0, $iv); return base64_encode($encrypted . '::' . $iv); } function decrypt($value) { $encryption_key = base64_decode($key); list($encrypted_data, $iv) = explode('::', base64_decode($value), 2); return openssl_decrypt($encrypted_data, 'aes-256-cbc', $encryption_key, 0, $iv); } $criptando = encrypt('1038'); echo 'criptando : ' . $criptando . '<br>'; echo 'decriptando: ' . decrypt($criptando);
Output for 8.1.0 - 8.1.29, 8.2.0 - 8.2.21, 8.3.0 - 8.3.9
Warning: Undefined variable $key in /in/l3asq on line 6 Deprecated: base64_decode(): Passing null to parameter #1 ($string) of type string is deprecated in /in/l3asq on line 6 Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/l3asq:7 Stack trace: #0 /in/l3asq(18): encrypt('1038') #1 {main} thrown in /in/l3asq on line 7
Process exited with code 255.
Output for 8.0.0 - 8.0.30
Warning: Undefined variable $key in /in/l3asq on line 6 Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/l3asq:7 Stack trace: #0 /in/l3asq(18): encrypt('1038') #1 {main} thrown in /in/l3asq on line 7
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: key in /in/l3asq on line 6 Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/l3asq:7 Stack trace: #0 /in/l3asq(18): encrypt('1038') #1 {main} thrown in /in/l3asq on line 7
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Call to undefined function openssl_random_pseudo_bytes() in /in/l3asq:7 Stack trace: #0 /in/l3asq(18): encrypt('1038') #1 {main} thrown in /in/l3asq on line 7
Process exited with code 255.
Output for 5.6.38
Notice: Undefined variable: key in /in/l3asq on line 6 Fatal error: Call to undefined function openssl_random_pseudo_bytes() in /in/l3asq on line 7
Process exited with code 255.

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