org.apache.nifi.encrypt

Class CipherPropertyEncryptor

java.lang.Object

org.apache.nifi.encrypt.CipherPropertyEncryptor

All Implemented Interfaces:

PropertyEncryptor

Direct Known Subclasses:

KeyedCipherPropertyEncryptor, PasswordBasedCipherPropertyEncryptor

abstract class CipherPropertyEncryptor
extends Object
implements PropertyEncryptor

Cipher Property Encryptor provides hexadecimal encoding and decoding around cipher operations

Field Summary

Fields

Modifier and Type	Field and Description
private static Charset	PROPERTY_CHARSET

Constructor Summary

Constructors

Constructor and Description
CipherPropertyEncryptor()

Method Summary

Modifier and Type	Method and Description
String	decrypt(String encryptedProperty) Decrypt property from a hexadecimal string
String	encrypt(String property) Encrypt property and encode as a hexadecimal string
protected abstract byte[]	getCipherBinary(byte[] encryptedBinary) Get Cipher Binary from encrypted binary
private byte[]	getDecodedBinary(String encryptedProperty)
protected abstract Cipher	getDecryptionCipher(byte[] encryptedBinary) Get Cipher for Decryption based on encrypted binary
protected abstract byte[]	getEncodedParameters() Get Encoded Parameters based on cipher implementation
protected abstract Cipher	getEncryptionCipher(byte[] encodedParameters) Get Cipher for Encryption using encoded parameters

Methods inherited from class java.lang.Object

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

Field Detail

PROPERTY_CHARSET

private static final Charset PROPERTY_CHARSET

Constructor Detail

CipherPropertyEncryptor

CipherPropertyEncryptor()

Method Detail

encrypt

public String encrypt(String property)

Encrypt property and encode as a hexadecimal string

Specified by:

encrypt in interface PropertyEncryptor

Parameters:

property - Property value to be encrypted

Returns:

Encrypted and hexadecimal string

decrypt

public String decrypt(String encryptedProperty)

Decrypt property from a hexadecimal string

Specified by:

decrypt in interface PropertyEncryptor

Parameters:

encryptedProperty - Encrypted property value to be deciphered

Returns:

Property decoded from hexadecimal string and deciphered from binary

getDecodedBinary

private byte[] getDecodedBinary(String encryptedProperty)

getEncodedParameters

protected abstract byte[] getEncodedParameters()

Get Encoded Parameters based on cipher implementation

Returns:

Encoded Parameters

getEncryptionCipher

protected abstract Cipher getEncryptionCipher(byte[] encodedParameters)

Get Cipher for Encryption using encoded parameters

Parameters:

encodedParameters - Binary encoded parameters

Returns:

Cipher for Encryption

getDecryptionCipher

protected abstract Cipher getDecryptionCipher(byte[] encryptedBinary)

Get Cipher for Decryption based on encrypted binary

Parameters:

encryptedBinary - Encrypted Binary

Returns:

Cipher for Decryption

getCipherBinary

protected abstract byte[] getCipherBinary(byte[] encryptedBinary)

Get Cipher Binary from encrypted binary

Parameters:

encryptedBinary - Encrypted Binary containing cipher binary and other information

Returns:

Cipher Binary for decryption