Package org.apache.poi.poifs.crypt

Class EncryptionHeader

java.lang.Object

org.apache.poi.poifs.crypt.EncryptionHeader

All Implemented Interfaces:

Cloneable

Direct Known Subclasses:

AgileEncryptionHeader, BinaryRC4EncryptionHeader, StandardEncryptionHeader, XOREncryptionHeader

public abstract class EncryptionHeader
extends Object
implements Cloneable

Reads and processes OOXML Encryption Headers The constants are largely based on ZIP constants.

Field Summary

Fields

Modifier and Type	Field	Description
static int	ALGORITHM_AES_128
static int	ALGORITHM_AES_192
static int	ALGORITHM_AES_256
static int	ALGORITHM_RC4
static int	HASH_NONE
static int	HASH_SHA1
static int	HASH_SHA256
static int	HASH_SHA384
static int	HASH_SHA512
static int	MODE_CBC
static int	MODE_CFB
static int	MODE_ECB
static int	PROVIDER_AES
static int	PROVIDER_RC4

Method Summary

Modifier and Type	Method	Description
EncryptionHeader	clone()
int	getBlockSize()
ChainingMode	getChainingMode()
CipherAlgorithm	getCipherAlgorithm()
CipherProvider	getCipherProvider()
String	getCspName()
int	getFlags()
HashAlgorithm	getHashAlgorithm()
byte[]	getKeySalt()
int	getKeySize()
int	getSizeExtra()

Methods inherited from class java.lang.Object

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

Field Detail

ALGORITHM_RC4

public static final int ALGORITHM_RC4

ALGORITHM_AES_128

public static final int ALGORITHM_AES_128

ALGORITHM_AES_192

public static final int ALGORITHM_AES_192

ALGORITHM_AES_256

public static final int ALGORITHM_AES_256

HASH_NONE

public static final int HASH_NONE

HASH_SHA1

public static final int HASH_SHA1

HASH_SHA256

public static final int HASH_SHA256

HASH_SHA384

public static final int HASH_SHA384

HASH_SHA512

public static final int HASH_SHA512

PROVIDER_RC4

public static final int PROVIDER_RC4

PROVIDER_AES

public static final int PROVIDER_AES

MODE_ECB

public static final int MODE_ECB

MODE_CBC

public static final int MODE_CBC

MODE_CFB

public static final int MODE_CFB

Method Detail

getChainingMode

public ChainingMode getChainingMode()

getFlags

public int getFlags()

getSizeExtra

public int getSizeExtra()

getCipherAlgorithm

public CipherAlgorithm getCipherAlgorithm()

getHashAlgorithm

public HashAlgorithm getHashAlgorithm()

getKeySize

public int getKeySize()

getBlockSize

public int getBlockSize()

getKeySalt

public byte[] getKeySalt()

getCipherProvider

public CipherProvider getCipherProvider()

getCspName

public String getCspName()

clone

public EncryptionHeader clone()
                       throws CloneNotSupportedException

Throws:

CloneNotSupportedException