lr_decrypt_ex

Decrypts a string encrypted by lr_encrypt_ex.

C Language

char* lr_decrypt_ex(const char* ciphertext);

Java

String lr.decrypt_ex( String ciphertext);

Arguments

NameComments
ciphertextThe encrypted string to decrypt.

The lr_decrypt_ex function is used to decrypt messages encrypted by lr_encrypt_ex.

The AES key must be set before this function can be used. For details, see Add an AES key in the Help Center.

Tip: You can add an lr_decrypt_ex function call by right-clicking a string you want to encode in the script and selecting Encrypt String (Stronger Encryption). The string is encrypted and inserted as an argument of lr_decrypt_ex.

Return Values

This function returns the decrypted string.

Parameterization

The argument ciphertext can be parameterized.

Examples

C

Copy code
Action()
{
    char* ciphertext;
    char* plaintext;
    
    ciphertext = lr_encrypt_ex("hello world!");
    plaintext = lr_decrypt_ex(ciphertext);
    
    lr_output_message("ciphertext is %s", ciphertext);
    lr_output_message("plaintext is %s", plaintext);
    
    return 0;
}

Java

Copy code
import lrapi.lr;

public class Actions
{

    public int init() throws Throwable {
        return 0;
    }//end of init
    
    public int action() throws Throwable {
        String ciphertext = "Hello World!";
        String encrypted = lr.encrypt_ex(ciphertext);
        String decrypted = lr.decrypt_ex(encrypted);
        lr.output_message(decrypted);
        return 0;
    }//end of action
    
    public int end() throws Throwable {
        return 0;
    }//end of end