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## 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:
  java.lang.Cloneable

    public class StandardEncryptor

extends Encryptor
implements java.lang.Cloneable

Nested Class Summary
`protected class` | `StandardEncryptor.StandardCipherOutputStream`

Field Summary

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

Constructor Summary
`protected` | `StandardEncryptor()`

Method Summary
`StandardEncryptor` | `clone()`
`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
`protected void` | `createEncryptionInfoEntry(DirectoryNode dir)`
`java.io.OutputStream` | `getDataStream(DirectoryNode dir)` Return a output stream for encrypted data.
`protected int` | `getKeySizeInBytes()`

Methods inherited from class org.apache.poi.poifs.crypt.Encryptor
`getDataStream, getDataStream, getDataStream, getDataStream, getEncryptionInfo, getInstance, getSecretKey, setChunkSize, setEncryptionInfo, setSecretKey`

Methods inherited from class java.lang.Object
`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### StandardEncryptor

    protected StandardEncryptor()

Method Detail

### confirmPassword

    public void confirmPassword(java.lang.String password)

  Specified by:
    `confirmPassword` in class `Encryptor`

### 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

  Specified by:
    `confirmPassword` in class `Encryptor`

### 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.

  Specified by:
    `getDataStream` in class `Encryptor`
  Parameters:
    `dir` - the node to write to
  Returns:
    encrypted stream
  Throws:
    `java.io.IOException`
    `java.security.GeneralSecurityException`

### getKeySizeInBytes

    protected int getKeySizeInBytes()

### createEncryptionInfoEntry

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

  Throws:
    `java.io.IOException`

### clone

    public StandardEncryptor clone()
                            throws java.lang.CloneNotSupportedException

  Overrides:
    `clone` in class `Encryptor`
  Throws:
    `java.lang.CloneNotSupportedException`

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Copyright 2017 The Apache Software Foundation or its licensors, as applicable.