> For the complete documentation index, see [llms.txt](https://docs.rulecube.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.rulecube.com/v2.5/language-reference/encryption-deprecated.md).

# Encryption (deprecated)

> <mark style="color:red;">Encryption.encrypt() and Encryption.decrypt() are deprecated.</mark>&#x20;
>
> <mark style="color:red;">Use the Crypto library instead.</mark>

Collection of encryption functions.

## Methods

### encrypt (deprecated)

```javascript
encrypt(text: string, key: string)
```

Encrypts a string using the AES algorithm. Returns a base64 encoded string. The result is not deterministic.

#### Parameters

&#x20;   **text&#x20;*****string***

&#x20;       The text to encrypt.

&#x20;   **key&#x20;*****string***

&#x20;       The encryption key.

#### Return type

&#x20;   string

#### Examples

```javascript
// Encrypts a string using the AES algorithm:
Encryption.encrypt('my secret text', 'my secret key')
```

### decrypt (deprecated)

```javascript
decrypt(text: string, key: string)
```

Decrypts a string using the AES algorithm.

#### Parameters

&#x20;   **text&#x20;*****string***

&#x20;       The text to decrypt.

&#x20;   **key&#x20;*****string***

&#x20;       The encryption key.

#### Return type

&#x20;   string

#### Examples

```javascript
// Decrypts a string using the AES algorithm:
Encryption.decrypt('my encrypted text', 'my secret key')
```


---

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