CryptoSys API Library Manual

Gcm.NextGmac Method

Carries out the GMAC operation using the key set up by an earlier call to Gcm.InitKey.

Syntax

[C#]
public byte[] NextGmac(
	byte[] iv,
	byte[] msg
)
[VB.NET]
Public Function NextGmac ( _
	iv As Byte(), _
	msg As Byte() _
) As Byte()

Parameters

iv
Initialization vector.
msg
Message data.

Return Value

GMAC value in byte array, or empty array on error

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