org.jpos.emv.cryptogram

Interface CryptogramDataBuilder

All Known Implementing Classes:

CVN10DataBuilder, CVN18DataBuilder, CVN22DataBuilder, CVNCPADataBuilder, CVNMCDataBuilder

public interface CryptogramDataBuilder

Interface that provides methods to build strings for ARPC and ARQC generation

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	CryptogramDataBuilder.PaddingMethod Padding Method Interface

Field Summary

Fields

Modifier and Type	Field and Description
static CryptogramDataBuilder.PaddingMethod	ISO9797Method1 ISO/IEC 9797-1 padding method 1 for Block size 8, n = 64
static CryptogramDataBuilder.PaddingMethod	ISO9797Method2 ISO/IEC 9797-1 padding method 2 for Block size 8, n = 64
static CryptogramDataBuilder.PaddingMethod	ISO9797Method3 ISO/IEC 9797-1 padding method 3 for Block size 8, n = 64
static CryptogramDataBuilder.PaddingMethod	NO_PADDING

Method Summary

Modifier and Type	Method and Description
java.lang.String	buildARQCRequest_padded(TLVList data, IssuerApplicationData iad, CryptogramDataBuilder.PaddingMethod paddingMethod) Select necessary data elements and create the string used to generate the ARQC with padding
java.lang.String	buildARQCRequest(TLVList data, IssuerApplicationData iad) Select necessary data elements and create the string used to generate the ARQC with no padding
java.lang.String	getDefaultARPCRequest(boolean approved) Method that returns default issuer response data (ARC or CSU)
static java.util.List<java.lang.String>	minimumSetOfDataElement(TLVList data) Method that selects the minimum set of data elements recommended for the generation of application cryptograms described in EMV Book 2 sec 8.1.1

Field Detail

NO_PADDING

static final CryptogramDataBuilder.PaddingMethod NO_PADDING

ISO9797Method1

static final CryptogramDataBuilder.PaddingMethod ISO9797Method1

ISO/IEC 9797-1 padding method 1 for Block size 8, n = 64

ISO9797Method2

static final CryptogramDataBuilder.PaddingMethod ISO9797Method2

ISO/IEC 9797-1 padding method 2 for Block size 8, n = 64

ISO9797Method3

static final CryptogramDataBuilder.PaddingMethod ISO9797Method3

ISO/IEC 9797-1 padding method 3 for Block size 8, n = 64

Method Detail

minimumSetOfDataElement

static java.util.List<java.lang.String> minimumSetOfDataElement(TLVList data)

Method that selects the minimum set of data elements recommended for the generation of application cryptograms described in EMV Book 2 sec 8.1.1

Parameters:

data - ICC data

Returns:

Minimum Set of Data Elements for Application Cryptogram Generation

getDefaultARPCRequest

java.lang.String getDefaultARPCRequest(boolean approved)

Method that returns default issuer response data (ARC or CSU)

Parameters:

approved - true if transaction was approved, otherwise false

Returns:

String representing default issuer response data that will be used to generate the ARPC

buildARQCRequest

java.lang.String buildARQCRequest(TLVList data,
                                  IssuerApplicationData iad)

Select necessary data elements and create the string used to generate the ARQC with no padding

Parameters:

data - ICC data received

iad - Issuer application Data

Returns:

String used to generate the ARQC

buildARQCRequest_padded

java.lang.String buildARQCRequest_padded(TLVList data,
                                         IssuerApplicationData iad,
                                         CryptogramDataBuilder.PaddingMethod paddingMethod)

Select necessary data elements and create the string used to generate the ARQC with padding

Parameters:

data - ICC data received

iad - Issuer application Data

paddingMethod - Padding method to use

Returns:

String used to generate the ARQC