# Verify Message

Verify Message will use your Public Key to validate the message that was previously Signed.

Action available for the following operating systems:

![](https://3821468174-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-LrTlA1suFa5N48x_83N%2F-MAlPVpH3WRwBy16c7JY%2F-MAlQBZuuTnc6hyzKSVQ%2Fimage.png?alt=media\&token=5c9534b7-ca05-4ac4-b408-2207cd5a5295)

### Parameters

* **Data Type** *\<numeric> -* Select the data type of your message&#x20;
  * 1 - Text UTF-16 LE&#x20;
  * 2 - Text ANSI/Binary&#x20;
  * 3 - Text UTF-8
* **Source** *\<String> -* Select a Text, Variable or control to be Sign.
* **Signature** *\<String> -* Select a Text, Variable or control
* **Signature Encoding** *\<numeric>*
  * 1 - None (Binary)&#x20;
  * 2 - Base 64
* **Target** *-* Select a Variable or Control
* **Algorithm** *\<numeric> -* Select the algorithm to be used:&#x20;
  * 1 - RSA PKCS1 Padding&#x20;
  * 2 - RSA OAEP Padding
* **Key** *\<string> -* Fill with a String, Control or Variable. **PublicKey** must be provided in X509Encoded 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/X509EncodedKeySpec>
{% endhint %}

&#x20;**Key Size** *\<numeric> -* Default value: 2048

{% hint style="info" %}
This is used to verify a message signature so that the authenticity of the message origin can be checked, it is not used decrypt messages!
{% endhint %}