org.apache.nifi.encrypt

Class PasswordBasedCipherPropertyEncryptor

java.lang.Object

org.apache.nifi.encrypt.CipherPropertyEncryptor

org.apache.nifi.encrypt.PasswordBasedCipherPropertyEncryptor

All Implemented Interfaces:

PropertyEncryptor

class PasswordBasedCipherPropertyEncryptor
extends CipherPropertyEncryptor

Property Encryptor implementation using Password Based Encryption Cipher Provider

Field Summary

Fields

Modifier and Type	Field and Description
private static int	ARRAY_START
private PBECipherProvider	cipherProvider
private static boolean	DECRYPT
private String	description
private static boolean	ENCRYPT
private EncryptionMethod	encryptionMethod
private int	keyLength
private String	password
private int	saltLength

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	PasswordBasedCipherPropertyEncryptor(PBECipherProvider cipherProvider, EncryptionMethod encryptionMethod, String password)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object object) Return object equality based on Encryption Method and Password
private Cipher	getCipher(byte[] salt, boolean encrypt)
protected byte[]	getCipherBinary(byte[] encryptedBinary) Get Cipher Binary from encrypted binary
protected Cipher	getDecryptionCipher(byte[] encryptedBinary) Get Cipher for Decryption based on encrypted binary
protected byte[]	getEncodedParameters() Get Encoded Parameters returns a random salt generated from the Cipher Provider
protected Cipher	getEncryptionCipher(byte[] encodedParameters) Get Cipher for Encryption using encoded parameters containing random salt generated for encoding parameters
int	hashCode() Return hash code based on Encryption Method and Password
private byte[]	readSalt(byte[] binary)
String	toString() Return String containing object description

Methods inherited from class org.apache.nifi.encrypt.CipherPropertyEncryptor

decrypt, encrypt

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

ARRAY_START

private static final int ARRAY_START

See Also:

Constant Field Values

ENCRYPT

private static final boolean ENCRYPT

See Also:

Constant Field Values

DECRYPT

private static final boolean DECRYPT

See Also:

Constant Field Values

cipherProvider

private final PBECipherProvider cipherProvider

encryptionMethod

private final EncryptionMethod encryptionMethod

password

private final String password

keyLength

private final int keyLength

saltLength

private final int saltLength

description

private final String description

Constructor Detail

PasswordBasedCipherPropertyEncryptor

protected PasswordBasedCipherPropertyEncryptor(PBECipherProvider cipherProvider,
                                               EncryptionMethod encryptionMethod,
                                               String password)

Method Detail

getDecryptionCipher

protected Cipher getDecryptionCipher(byte[] encryptedBinary)

Get Cipher for Decryption based on encrypted binary

Specified by:

getDecryptionCipher in class CipherPropertyEncryptor

Parameters:

encryptedBinary - Encrypted Binary

Returns:

Cipher for Decryption

getEncryptionCipher

protected Cipher getEncryptionCipher(byte[] encodedParameters)

Get Cipher for Encryption using encoded parameters containing random salt generated for encoding parameters

Specified by:

getEncryptionCipher in class CipherPropertyEncryptor

Parameters:

encodedParameters - Binary encoded parameters containing random salt generated from Cipher Provider

Returns:

Cipher for Encryption

getCipherBinary

protected byte[] getCipherBinary(byte[] encryptedBinary)

Get Cipher Binary from encrypted binary

Specified by:

getCipherBinary in class CipherPropertyEncryptor

Parameters:

encryptedBinary - Encrypted Binary containing cipher binary and other information

Returns:

Cipher Binary for decryption

getEncodedParameters

protected byte[] getEncodedParameters()

Get Encoded Parameters returns a random salt generated from the Cipher Provider

Specified by:

getEncodedParameters in class CipherPropertyEncryptor

Returns:

Random Salt for encoded parameters

getCipher

private Cipher getCipher(byte[] salt,
                         boolean encrypt)

readSalt

private byte[] readSalt(byte[] binary)

equals

public boolean equals(Object object)

Return object equality based on Encryption Method and Password

Overrides:

equals in class Object

Parameters:

object - Object for comparison

Returns:

Object equality status

hashCode

public int hashCode()

Return hash code based on Encryption Method and Password

Overrides:

hashCode in class Object

Returns:

Hash Code based on Encryption Method and Password

toString

public String toString()

Return String containing object description

Overrides:

toString in class Object

Returns:

Object description