Package org.apache.nifi.toolkit.config.crypto

Class StandardDerivedKeyGenerator

java.lang.Object

org.apache.nifi.toolkit.config.crypto.StandardDerivedKeyGenerator

All Implemented Interfaces:

DerivedKeyGenerator

public class StandardDerivedKeyGenerator
extends Object
implements DerivedKeyGenerator

Standard implementation of Derived Key Generator using scrypt with compatible parameters and preset salt for reproducible outputs

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	KEY_ALGORITHM
private static final int	KEY_LENGTH
private static final ScryptDerivedKeyParameterSpec	KEY_PARAMETER_SPEC
private static final ScryptDerivedKeyProvider	KEY_PROVIDER
private static final String	SALT

Constructor Summary

Constructors

Constructor	Description
StandardDerivedKeyGenerator()

Method Summary

Modifier and Type	Method	Description
String	getDerivedKeyEncoded(char[] password)	Get Derived Key based on the provided password using scrypt and return an encoded representation

Methods inherited from class java.lang.Object

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

Field Details

SALT

private static final String SALT

See Also:

• Constant Field Values

KEY_PROVIDER

private static final ScryptDerivedKeyProvider KEY_PROVIDER

KEY_PARAMETER_SPEC

private static final ScryptDerivedKeyParameterSpec KEY_PARAMETER_SPEC

KEY_ALGORITHM

private static final String KEY_ALGORITHM

See Also:

• Constant Field Values

KEY_LENGTH

private static final int KEY_LENGTH

See Also:

• Constant Field Values

Constructor Details

StandardDerivedKeyGenerator

public StandardDerivedKeyGenerator()

Method Details

getDerivedKeyEncoded

public String getDerivedKeyEncoded(char[] password)

Get Derived Key based on the provided password using scrypt and return an encoded representation

Specified by:

getDerivedKeyEncoded in interface DerivedKeyGenerator

Parameters:

password - Password source for key derivation

Returns:

Derived key encoded using hexadecimal