at.favre.lib.crypto

Class HkdfMacFactory.Default

java.lang.Object

at.favre.lib.crypto.HkdfMacFactory.Default

All Implemented Interfaces:

HkdfMacFactory

Enclosing interface:

HkdfMacFactory

public static final class HkdfMacFactory.Default
extends Object
implements HkdfMacFactory

Default implementation

Nested Class Summary

Nested classes/interfaces inherited from interface at.favre.lib.crypto.HkdfMacFactory

HkdfMacFactory.Default

Constructor Summary

Constructors

Constructor and Description
Default(String macAlgorithmName) Creates a mac factory
Default(String macAlgorithmName, Provider provider) Creates a mac factory

Method Summary

Modifier and Type	Method and Description
Mac	createInstance(byte[] key) Creates a new instance of Hmac with given key, i.e.
static HkdfMacFactory	hmacSha1() Deprecated. sha1 with HMAC should be fine, but not recommended for new protocols; see https://crypto.stackexchange.com/questions/26510/why-is-hmac-sha1-still-considered-secure
static HkdfMacFactory	hmacSha256() Creates a factory creating HMAC with SHA-256
static HkdfMacFactory	hmacSha512() Creates a factory creating HMAC with SHA-512

Methods inherited from class java.lang.Object

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

Constructor Detail

Default

public Default(String macAlgorithmName)

Creates a mac factory

Parameters:

macAlgorithmName - as used by Mac.getInstance(String)

Default

public Default(String macAlgorithmName,
               Provider provider)

Creates a mac factory

Parameters:

macAlgorithmName - as used by Mac.getInstance(String)

provider - what security provider, see Mac.getInstance(String, Provider); may be null to use default

Method Detail

hmacSha256

public static HkdfMacFactory hmacSha256()

Creates a factory creating HMAC with SHA-256

Returns:

factory

hmacSha512

public static HkdfMacFactory hmacSha512()

Creates a factory creating HMAC with SHA-512

Returns:

factory

hmacSha1

@Deprecated
public static HkdfMacFactory hmacSha1()

Deprecated. sha1 with HMAC should be fine, but not recommended for new protocols; see https://crypto.stackexchange.com/questions/26510/why-is-hmac-sha1-still-considered-secure

Creates a factory creating HMAC with SHA-1

Returns:

factory

createInstance

public Mac createInstance(byte[] key)

Description copied from interface: HkdfMacFactory

Creates a new instance of Hmac with given key, i.e. it must already be initialized with Mac.init(Key).

Specified by:

createInstance in interface HkdfMacFactory

Parameters:

key - the key used, must not be null

Returns:

a new mac instance