com.aliyun.encryptionsdk.model

Class CipherHeader

java.lang.Object

com.aliyun.encryptionsdk.model.CipherHeader

public class CipherHeader
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	HEADER_IV_LEN

Constructor Summary

Constructors

Constructor and Description
CipherHeader()
CipherHeader(int version, List<EncryptedDataKey> encryptedDataKeys, Map<String,String> encryptionContext, CryptoAlgorithm algorithm)
CipherHeader(int version, List<EncryptedDataKey> encryptedDataKeys, Map<String,String> encryptionContext, CryptoAlgorithm algorithm, byte[] headerIv, byte[] headerAuthTag)
CipherHeader(List<EncryptedDataKey> encryptedDataKeys, Map<String,String> encryptionContext, CryptoAlgorithm algorithm)
CipherHeader(List<EncryptedDataKey> encryptedDataKeys, Map<String,String> encryptionContext, CryptoAlgorithm algorithm, byte[] headerIv, byte[] headerAuthTag)

Method Summary

Modifier and Type	Method and Description
void	calculateHeaderAuthTag(AlgorithmHandler handler)
void	deserialize(InputStream inputStream)
CryptoAlgorithm	getAlgorithm()
List<EncryptedDataKey>	getEncryptedDataKeys()
Map<String,String>	getEncryptionContext()
byte[]	getEncryptionContextBytes()
byte[]	getHeaderAuthTag()
byte[]	getHeaderIv()
int	getVersion()
byte[]	serialize()
byte[]	serializeAuthenticatedFields()
void	setAlgorithm(CryptoAlgorithm algorithm)
void	setHeaderIv(byte[] headerIv)
void	setVersion(int version)
boolean	verifyHeaderAuthTag(AlgorithmHandler handler)

Methods inherited from class java.lang.Object

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

Field Detail

HEADER_IV_LEN

public static int HEADER_IV_LEN

Constructor Detail

CipherHeader

public CipherHeader(List<EncryptedDataKey> encryptedDataKeys,
                    Map<String,String> encryptionContext,
                    CryptoAlgorithm algorithm)

CipherHeader

public CipherHeader(List<EncryptedDataKey> encryptedDataKeys,
                    Map<String,String> encryptionContext,
                    CryptoAlgorithm algorithm,
                    byte[] headerIv,
                    byte[] headerAuthTag)

CipherHeader

public CipherHeader(int version,
                    List<EncryptedDataKey> encryptedDataKeys,
                    Map<String,String> encryptionContext,
                    CryptoAlgorithm algorithm)

CipherHeader

public CipherHeader(int version,
                    List<EncryptedDataKey> encryptedDataKeys,
                    Map<String,String> encryptionContext,
                    CryptoAlgorithm algorithm,
                    byte[] headerIv,
                    byte[] headerAuthTag)

CipherHeader

public CipherHeader()

Method Detail

setVersion

public void setVersion(int version)

getVersion

public int getVersion()

setHeaderIv

public void setHeaderIv(byte[] headerIv)

setAlgorithm

public void setAlgorithm(CryptoAlgorithm algorithm)

getEncryptedDataKeys

public List<EncryptedDataKey> getEncryptedDataKeys()

getEncryptionContext

public Map<String,String> getEncryptionContext()

getEncryptionContextBytes

public byte[] getEncryptionContextBytes()

getAlgorithm

public CryptoAlgorithm getAlgorithm()

getHeaderIv

public byte[] getHeaderIv()

getHeaderAuthTag

public byte[] getHeaderAuthTag()

calculateHeaderAuthTag

public void calculateHeaderAuthTag(AlgorithmHandler handler)

verifyHeaderAuthTag

public boolean verifyHeaderAuthTag(AlgorithmHandler handler)

serializeAuthenticatedFields

public byte[] serializeAuthenticatedFields()

serialize

public byte[] serialize()

deserialize

public void deserialize(InputStream inputStream)
                 throws IOException

Throws:

IOException