gokrb5.v7/types/Cryptosystem.go

package types

import (
	"github.com/jcmturner/asn1"
	"fmt"
)

// Reference: https://www.ietf.org/rfc/rfc4120.txt
// Section: 5.2.9

// Reference: https://www.ietf.org/rfc/rfc3961.txt

type EncryptedData struct {
	EType  int    `asn1:"explicit,tag:0"`
	KVNO   int    `asn1:"explicit,optional,tag:1"`
	Cipher []byte `asn1:"explicit,tag:2"`
}

//AKA KeyBlock
type EncryptionKey struct {
	KeyType  int    `asn1:"explicit,tag:0"`
	KeyValue []byte `asn1:"explicit,tag:1"`
}

type Checksum struct {
	CksumType int    `asn1:"explicit,tag:0"`
	Checksum  []byte `asn1:"explicit,tag:1"`
}

func (a *EncryptedData) Unmarshal(b []byte) error {
	_, err := asn1.Unmarshal(b, a)
	return err
}

func (a *EncryptedData) Marshal() ([]byte, error) {
	edb, err := asn1.Marshal(*a)
	if err != nil {
		return edb, fmt.Errorf("Error marshalling EncryptedData: %v", err)
	}
	return edb, nil
}

func (a *EncryptionKey) Unmarshal(b []byte) error {
	_, err := asn1.Unmarshal(b, a)
	return err
}

func (a *Checksum) Unmarshal(b []byte) error {
	_, err := asn1.Unmarshal(b, a)
	return err
}