emv

package

v0.0.4 Latest Latest Go to latest Published: Oct 6, 2023 License: AGPL-3.0 Imports: 11 Imported by: 0

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Repository

github.com/mniak/krypton

Documentation ¶

Index ¶

Variables
func ComputeARPCMethod1(sessionKey, arqc []byte, responseCode string) ([]byte, error)
func ComputeRawARQC(sessionKey, data []byte) ([]byte, error)
func DeriveCommonSessionKey(masterkey, diversificationValue []byte) ([]byte, error)
func DeriveMasterKeyOptionA(mdk []byte, pan string, psn string) ([]byte, error)
func FormatPANAndPSNForDerivation(pan string, psn string) ([]byte, error)
func RawDeriveCommonSessionKey(masterkey, diversificationValue []byte) ([]byte, error)
func RawDeriveMasterKeyOptionA(mdk, panAndPSN []byte) ([]byte, error)
type CVR
- func (cvr CVR) Explain() string
type IssuerApplicationData
- func ParseIAD(iad []byte) (IssuerApplicationData, error)

Constants ¶

This section is empty.

Variables ¶

View Source

var ErrNonCompliantIAD = errors.New("non compliant IAD")

Functions ¶

func ComputeARPCMethod1 ¶

func ComputeARPCMethod1(sessionKey, arqc []byte, responseCode string) ([]byte, error)

func ComputeRawARQC ¶

func ComputeRawARQC(sessionKey, data []byte) ([]byte, error)

func DeriveCommonSessionKey ¶

func DeriveCommonSessionKey(masterkey, diversificationValue []byte) ([]byte, error)

DeriveCommonSessionKey always sets the parity to odd

func DeriveMasterKeyOptionA ¶

func DeriveMasterKeyOptionA(mdk []byte, pan string, psn string) ([]byte, error)

DeriveMasterKeyOptionA always sets the parity to odd

func FormatPANAndPSNForDerivation ¶

func FormatPANAndPSNForDerivation(pan string, psn string) ([]byte, error)

func RawDeriveCommonSessionKey ¶

func RawDeriveCommonSessionKey(masterkey, diversificationValue []byte) ([]byte, error)

RawDeriveCommonSessionKey derives a Common Session Key as specified in EMV 4.x Book 2

func RawDeriveMasterKeyOptionA ¶

func RawDeriveMasterKeyOptionA(mdk, panAndPSN []byte) ([]byte, error)

Types ¶

type CVR ¶ added in v0.0.3

type CVR []byte

func (CVR) Explain ¶ added in v0.0.3

func (cvr CVR) Explain() string

type IssuerApplicationData ¶ added in v0.0.3

type IssuerApplicationData struct {
	CCI                     byte
	DKI                     byte
	CVR                     CVR
	Counters                []byte
	IssuerDiscretionaryData []byte
}

func ParseIAD ¶ added in v0.0.3

func ParseIAD(iad []byte) (IssuerApplicationData, error)

Source Files ¶

View all Source files

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