net.i2p.crypto

Class HMAC256Generator.HMACKey

java.lang.Object

net.i2p.crypto.HMAC256Generator.HMACKey

All Implemented Interfaces:

Serializable, Key, SecretKey, Destroyable

Enclosing class:

HMAC256Generator

static final class HMAC256Generator.HMACKey
extends Object
implements SecretKey

Performance-optimized SecretKey implementation for HMAC operations. This class provides an efficient SecretKey implementation that avoids unnecessary key data copying during construction for improved performance. Unlike standard SecretKeySpec, this implementation maintains a direct reference to the key data while maintaining compatibility with Mac operations.

Implementation Note: getEncoded() returns a copy of the first 32 bytes because the Mac class requires this behavior for proper operation. The full key data may be longer than 32 bytes.

Field Summary

Fields inherited from interface javax.crypto.SecretKey

serialVersionUID

Constructor Summary

Constructors

Constructor and Description
HMACKey(byte[] data)

Method Summary

Modifier and Type	Method and Description
String	getAlgorithm()
byte[]	getEncoded()
String	getFormat()

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.security.auth.Destroyable

destroy, isDestroyed

Constructor Detail

HMACKey

public HMACKey(byte[] data)

Method Detail

getAlgorithm

public String getAlgorithm()

Specified by:

getAlgorithm in interface Key

getEncoded

public byte[] getEncoded()

Specified by:

getEncoded in interface Key

getFormat

public String getFormat()

Specified by:

getFormat in interface Key