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[CAPL Functions](../../CAPLfunctions.md) » [Ethernet](../CAPLEthernetStartPage.md) » [Function Overview](../CAPLfunctionsIPOverview.md) » EthernetMacsecSecureEntity::UpdateMkaICV

# EthernetMacsecSecureEntity::UpdateMkaICV

[Valid for](../../../Shared/FeatureAvailability.md):  CANoe DE

## Method Syntax

[EthernetMacsecSecureEntity](../Objects/CAPLfunctionEthernetMacsecSecureEntity.md).UpdateMkaICV (ethernetPacket\* packet);

## Description

Recalculates the integrity check value (ICV) of a MKPDU.

## Parameters

* **packet**: The packet for which to recalculate the ICV. The packet must be a valid MKA frame (MKPDU), conforming to IEEE802.1X.

## Return Values

* **byte**: 1 if the call succeeded, 0 otherwise.

## Example

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