Gcm Class

Provides authenticated encryption using the Galois/Counter Mode (GCM) of operation with the AES algorithm (AES-GCM).

Inheritance Hierarchy

SystemObject
CryptoSysAPIGcm

Namespace: CryptoSysAPI
Assembly: diCrSysAPINet (in diCrSysAPINet.dll) Version: 6.22.2.24248 (6.22.2.0)

Syntax

public class Gcm : IDisposable

Public Class Gcm
	Implements IDisposable

The Gcm type exposes the following members.

Properties

	Name	Description
	ErrCode	Last error code (object-related only)

Methods

	Name	Description
	Decrypt	Decrypt input using AES-GCM in one-off operation
	Dispose	Dispose of this object and clear any key schedules
	Encrypt	Encrypt input using AES-GCM in one-off operation
	Gmac	Compute GMAC using AES-GCM in one-off operation
	InitKey	Initializes the context with the key ready for repeated operations of Gcm.NextEncrypt, Gcm.NextDecrypt, or Gcm.NextGmac.
	Instance	Create the one and only instance
	NextDecrypt	Carries out the GCM decryption operation using the key set up by an earlier call to Gcm.InitKey.
	NextEncrypt	Carries out the GCM encryption operation using the key set up by an earlier call to Gcm.InitKey.
	NextGmac	Carries out the GMAC operation using the key set up by an earlier call to Gcm.InitKey.

Fields

	Name	Description
	TagMaxSize	Maximum size of tag in bytes