org.apache.poi.poifs.crypt.standard

Class StandardEncryptionHeader

java.lang.Object

org.apache.poi.poifs.crypt.EncryptionHeader

org.apache.poi.poifs.crypt.standard.StandardEncryptionHeader

All Implemented Interfaces:

Duplicatable, GenericRecord, EncryptionRecord

Direct Known Subclasses:

CryptoAPIEncryptionHeader

public class StandardEncryptionHeader
extends EncryptionHeader
implements EncryptionRecord

Field Summary

Fields inherited from class org.apache.poi.poifs.crypt.EncryptionHeader

ALGORITHM_AES_128, ALGORITHM_AES_192, ALGORITHM_AES_256, ALGORITHM_RC4, HASH_NONE, HASH_SHA1, HASH_SHA256, HASH_SHA384, HASH_SHA512, MODE_CBC, MODE_CFB, MODE_ECB, PROVIDER_AES, PROVIDER_RC4

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	StandardEncryptionHeader(CipherAlgorithm cipherAlgorithm, HashAlgorithm hashAlgorithm, int keyBits, int blockSize, ChainingMode chainingMode)
protected	StandardEncryptionHeader(LittleEndianInput is)
protected	StandardEncryptionHeader(StandardEncryptionHeader other)

Method Summary

Modifier and Type	Method and Description
StandardEncryptionHeader	copy()
void	write(LittleEndianByteArrayOutputStream bos) serializes the header

Methods inherited from class org.apache.poi.poifs.crypt.EncryptionHeader

getBlockSize, getChainingMode, getCipherAlgorithm, getCipherProvider, getCspName, getFlags, getGenericProperties, getHashAlgorithm, getKeySalt, getKeySize, getSizeExtra, setBlockSize, setChainingMode, setCipherAlgorithm, setCipherProvider, setCspName, setFlags, setHashAlgorithm, setKeySalt, setKeySize, setSizeExtra

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.poi.common.usermodel.GenericRecord

getGenericChildren, getGenericRecordType

Constructor Detail

StandardEncryptionHeader

protected StandardEncryptionHeader(StandardEncryptionHeader other)

StandardEncryptionHeader

protected StandardEncryptionHeader(LittleEndianInput is)
                            throws java.io.IOException

Throws:

java.io.IOException

StandardEncryptionHeader

protected StandardEncryptionHeader(CipherAlgorithm cipherAlgorithm,
                                   HashAlgorithm hashAlgorithm,
                                   int keyBits,
                                   int blockSize,
                                   ChainingMode chainingMode)

Method Detail

write

public void write(LittleEndianByteArrayOutputStream bos)

serializes the header

Specified by:

write in interface EncryptionRecord

copy

public StandardEncryptionHeader copy()

Specified by:

copy in interface Duplicatable

Specified by:

copy in class EncryptionHeader

Returns:

a deep copy of the implementing class / instance