Package org.bouncycastle.bcpg

Class SymmetricEncIntegrityPacket

java.lang.Object

org.bouncycastle.bcpg.Packet

org.bouncycastle.bcpg.InputStreamPacket

org.bouncycastle.bcpg.SymmetricEncIntegrityPacket

All Implemented Interfaces:

BCPGHeaderObject, PacketTags

public class SymmetricEncIntegrityPacket
extends InputStreamPacket
implements BCPGHeaderObject

A symmetric key encrypted packet with an associated integrity check code.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	VERSION_1	Version 1 SEIPD packet.
static final int	VERSION_2	Version 2 SEIPD packet.

Fields inherited from interface org.bouncycastle.bcpg.PacketTags

AEAD_ENC_DATA, COMPRESSED_DATA, EXPERIMENTAL_1, EXPERIMENTAL_2, EXPERIMENTAL_3, EXPERIMENTAL_4, LITERAL_DATA, MARKER, MOD_DETECTION_CODE, ONE_PASS_SIGNATURE, PADDING, PUBLIC_KEY, PUBLIC_KEY_ENC_SESSION, PUBLIC_SUBKEY, RESERVED, SECRET_KEY, SECRET_SUBKEY, SIGNATURE, SYM_ENC_INTEGRITY_PRO, SYMMETRIC_KEY_ENC, SYMMETRIC_KEY_ENC_SESSION, TRUST, USER_ATTRIBUTE, USER_ID

Constructor Summary

Constructors

Constructor	Description
SymmetricEncIntegrityPacket()	Deprecated. use createVersion1Packet()

Method Summary

Modifier and Type	Method	Description
static byte[]	createAAData(int version, int cipherAlgorithm, int aeadAlgorithm, int chunkSize)
static SymmetricEncIntegrityPacket	createVersion1Packet()
static SymmetricEncIntegrityPacket	createVersion2Packet(int algorithm, int aeadAlgorithm, int chunkSize, byte[] salt)
void	encode(BCPGOutputStream bcpgOut)
byte[]	getAAData()	Return the AEAD additional authenticated data, which is also used as HKDF info.
int	getAeadAlgorithm()	Return the AEAD algorithm.
int	getChunkSize()	Return the chunksize for the AEAD construction.
int	getCipherAlgorithm()	Return the cipher algorithm.
byte[]	getSalt()	Return the salt used to derive the message key.
int	getType()	Return the header type.
int	getVersion()

Methods inherited from class org.bouncycastle.bcpg.InputStreamPacket

getInputStream

Methods inherited from class org.bouncycastle.bcpg.Packet

getPacketTag, hasNewPacketFormat, isCritical

Methods inherited from class java.lang.Object

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

Field Details

VERSION_1

public static final int VERSION_1

Version 1 SEIPD packet. Used only with SymmetricKeyEncSessionPacket.VERSION_4 or PublicKeyEncSessionPacket.VERSION_3.

See Also:

• Constant Field Values

VERSION_2

public static final int VERSION_2

Version 2 SEIPD packet. Used only with SymmetricKeyEncSessionPacket.VERSION_6 or PublicKeyEncSessionPacket.VERSION_6.

See Also:

• Constant Field Values

Constructor Details

SymmetricEncIntegrityPacket

public SymmetricEncIntegrityPacket()

Deprecated.

use createVersion1Packet()

Method Details

createVersion1Packet

public static SymmetricEncIntegrityPacket createVersion1Packet()

createVersion2Packet

public static SymmetricEncIntegrityPacket createVersion2Packet(int algorithm,
 int aeadAlgorithm,
 int chunkSize,
 byte[] salt)

getVersion

public int getVersion()

getType

public int getType()

Description copied from interface: BCPGHeaderObject

Return the header type.

Specified by:

getType in interface BCPGHeaderObject

Returns:

header type code

encode

public void encode(BCPGOutputStream bcpgOut)
            throws IOException

Specified by:

encode in interface BCPGHeaderObject

Throws:

IOException

getCipherAlgorithm

public int getCipherAlgorithm()

Return the cipher algorithm. V2 SEIPD packet only.

Returns:

cipher algorithm

getAeadAlgorithm

public int getAeadAlgorithm()

Return the AEAD algorithm. V2 SEIPD packet only.

Returns:

AEAD algorithm

getChunkSize

public int getChunkSize()

Return the chunksize for the AEAD construction. V2 SEIPD packet only.

Returns:

chunksize

getAAData

public byte[] getAAData()

Return the AEAD additional authenticated data, which is also used as HKDF info. V2 SEIPD packet only.

Returns:

aadata

createAAData

public static byte[] createAAData(int version,
 int cipherAlgorithm,
 int aeadAlgorithm,
 int chunkSize)

getSalt

public byte[] getSalt()

Return the salt used to derive the message key. V2 SEIPD packet only.

Returns:

salt