org.apache.poi.poifs.crypt.standard

Class StandardEncryptor

java.lang.Object

org.apache.poi.poifs.crypt.Encryptor

org.apache.poi.poifs.crypt.standard.StandardEncryptor

All Implemented Interfaces:

GenericRecord

public class StandardEncryptor
extends Encryptor

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	StandardEncryptor.StandardCipherOutputStream

Field Summary

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

DEFAULT_POIFS_ENTRY

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	StandardEncryptor()
protected	StandardEncryptor(StandardEncryptor other)

Method Summary

Modifier and Type	Method and Description
void	confirmPassword(java.lang.String password)
void	confirmPassword(java.lang.String password, byte[] keySpec, byte[] keySalt, byte[] verifier, byte[] verifierSalt, byte[] integritySalt) Fills the fields of verifier and header with the calculated hashes based on the password and a random salt see [MS-OFFCRYPTO] - 2.3.4.7 ECMA-376 Document Encryption Key Generation (使用基于密码和随机盐计算的哈希值填充验证器和标头字段，请参阅 [MS-OFFCRYPTO] - 2.3.4.7 ECMA-376 文档加密密钥生成)
StandardEncryptor	copy()
protected void	createEncryptionInfoEntry(DirectoryNode dir)
java.io.OutputStream	getDataStream(DirectoryNode dir) Return a output stream for encrypted data. (返回加密数据的输出流。)
protected int	getKeySizeInBytes()

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

getDataStream, getDataStream, getEncryptionInfo, getGenericProperties, getInstance, getSecretKey, setChunkSize, setEncryptionInfo, setSecretKey

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

StandardEncryptor

protected StandardEncryptor()

StandardEncryptor

protected StandardEncryptor(StandardEncryptor other)

Method Detail

confirmPassword

public void confirmPassword(java.lang.String password)

Specified by:

confirmPassword in class Encryptor (类 Encryptor 中的 confirmPassword)

confirmPassword

public void confirmPassword(java.lang.String password,
                            byte[] keySpec,
                            byte[] keySalt,
                            byte[] verifier,
                            byte[] verifierSalt,
                            byte[] integritySalt)

Fills the fields of verifier and header with the calculated hashes based on the password and a random salt see [MS-OFFCRYPTO] - 2.3.4.7 ECMA-376 Document Encryption Key Generation (使用基于密码和随机盐计算的哈希值填充验证器和标头字段，请参阅 [MS-OFFCRYPTO] - 2.3.4.7 ECMA-376 文档加密密钥生成)

Specified by:

confirmPassword in class Encryptor (类 Encryptor 中的 confirmPassword)

getDataStream

public java.io.OutputStream getDataStream(DirectoryNode dir)
                                   throws java.io.IOException,
                                          java.security.GeneralSecurityException

Description copied from class: Encryptor

Return a output stream for encrypted data. (返回加密数据的输出流。)

Specified by:

getDataStream in class Encryptor (类 Encryptor 中的 getDataStream)

Parameters:

dir - the node to write to (dir - 要写入的节点)

Returns:

encrypted stream (加密流)

Throws:

java.io.IOException (java.io.IOException)

java.security.GeneralSecurityException (java.security.GeneralSecurityException)

getKeySizeInBytes

protected int getKeySizeInBytes()

createEncryptionInfoEntry

protected void createEncryptionInfoEntry(DirectoryNode dir)
                                  throws java.io.IOException

Throws:

java.io.IOException (java.io.IOException)

copy

public StandardEncryptor copy()

Specified by:

copy in class Encryptor (在类 Encryptor 中复制)