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# lr_encrypt_ex

Encrypts a string.

    char* lr_encrypt_ex(const char* plaintext);

## Arguments

Name | Comments
--- | ---
plaintext | The string to encrypt.

The lr_encrypt_ex function is used to encrypt messages. Encryption is based on the AES-256-GCM algorithm and is compliant with FIPS requirements. The encrypted string can be decrypted by lr_decrypt_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 encrypt a string in the script using the same encryption method, by right-clicking the string and selecting Encrypt String (Stronger Encryption). The string is encrypted and inserted as an argument of lr_decrypt_ex.

## Return Values

This function returns an encrypted string.

## Parameterization

The argument plaintext can be parameterized.

## Example

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;
    }

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