> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso5/developing/form/actions/actions-description/group-code-flow/decrypt-asymetric.md).

# Decrypt Asymetric

Decrypt Asymmetric will use a Private Key to Decrypt the data.

Action available for the following operating systems:

![](/files/-MAlQBZuuTnc6hyzKSVQ)

### Parameters

* **Data Type** *\<numeric> -* Select a File or Text to be Decrypted
  * 1 - Text UTF-16 LE
  * 2 - Text ANSI/Binary
  * 3 - Text UTF-8
* **Source** *\<String> -* Select a Text, Variable or control to be Decrypted
* **Target** *-* Select a Variable or Control
* **Algorithm** *\<numeric> -* Select the algorithm to be used:
  * 1 - RSA PKCS1 Padding
  * 2 - RSA OAEP Padding
* **Key** *\<string> -* Fill with a String, Control or Variable. **PrivateKey** must be provided in PKCS#8 format encoded in Base64 (with no headers/footers).

{% hint style="info" %}
For more information see Android documentation: <https://developer.android.com/reference/java/security/spec/PKCS8EncodedKeySpec>
{% endhint %}

* **Key Size** *\<numeric> -* Default value: 2048.