Class VISACryptogram

java.lang.Object

org.jpos.emv.cryptogram.VISACryptogram

All Implemented Interfaces:

CryptogramSpec

public class VISACryptogram
extends Object
implements CryptogramSpec

VISA Cryptogram Specification

Constructor Summary

Constructors

Constructor	Description
VISACryptogram(String cryptogramVersionNumber)	Configures the cryptogram spec from the encoded Cryptogram Version Number.

Method Summary

Modifier and Type	Method	Description
ARPCMethod	getARPCMethod()	Returns method of generation of the response cryptogram
CryptogramDataBuilder	getDataBuilder()	Returns class in charge of selecting the data elements and building the string that will be used for the generation of the cryptogram
MKDMethod	getMKDMethod()	Return method of the derivation of ICC Master Key used for Application Cryptogram generation
SKDMethod	getSKDMethod()	Return method of the derivation of Unique DEA Key UDK (Session Key) used for Application Cryptogram generation

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

VISACryptogram

public VISACryptogram(String cryptogramVersionNumber)

Configures the cryptogram spec from the encoded Cryptogram Version Number.

Parameters:

cryptogramVersionNumber - two-hex-digit VISA Cryptogram Version Number; supported values are CVN 10, 18 and 34 (CVN '22')

Throws:

IllegalArgumentException - if the CVN is not one of the supported variants

Method Details

getMKDMethod

public MKDMethod getMKDMethod()

Description copied from interface: CryptogramSpec

Return method of the derivation of ICC Master Key used for Application Cryptogram generation

Specified by:

getMKDMethod in interface CryptogramSpec

Returns:

Master Key Derivation Method

getSKDMethod

public SKDMethod getSKDMethod()

Description copied from interface: CryptogramSpec

Return method of the derivation of Unique DEA Key UDK (Session Key) used for Application Cryptogram generation

Specified by:

getSKDMethod in interface CryptogramSpec

Returns:

Session Key Derivation Method

getARPCMethod

public ARPCMethod getARPCMethod()

Description copied from interface: CryptogramSpec

Returns method of generation of the response cryptogram

Specified by:

getARPCMethod in interface CryptogramSpec

Returns:

ARPC Generation Method

getDataBuilder

public CryptogramDataBuilder getDataBuilder()

Description copied from interface: CryptogramSpec

Returns class in charge of selecting the data elements and building the string that will be used for the generation of the cryptogram

Specified by:

getDataBuilder in interface CryptogramSpec

Returns:

Cryptogram Data Builder