Functions JScms
Function: JScms_string_encrypt_decrypt
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Function: JScms_string_encrypt_decrypt
The JScms_string_encrypt_decrypt function encrypts or decrypts strings using the AES-128-CTR encryption method.
It is designed to securely handle sensitive data such as tokens, credentials, or other protected strings.
Syntax
JScms_string_encrypt_decrypt($data, $ed = true)
Parameters
$data: (string) The data to encrypt or decrypt.$ed: (bool) Optional.trueto encrypt,falseto decrypt. Default istrue.
Returns
(string|bool) Returns the encrypted or decrypted string on success, or false on failure.
Example Usage
<?php
$data = "SensitiveData";
$encrypted = JScms_string_encrypt_decrypt($data); // Encrypt
echo $encrypted;
$decrypted = JScms_string_encrypt_decrypt($encrypted, false); // Decrypt
echo $decrypted; // Outputs: "SensitiveData"
?>
Best Practices
- Define secure constants
JSCMS_STRING_SECRET_KEYandJSCMS_STRING_SECRET_IVfor encryption and decryption keys. - Store keys securely and never expose them in source code.
- Use this function for encrypting sensitive data such as tokens or credentials.
Common Issues
- Key Mismanagement: If the encryption or decryption keys are incorrect, the output will not be valid.
- Data Corruption: Ensure the encrypted string is not modified during transmission or storage.