Package java.security.spec

Class MGF1ParameterSpec

java.lang.Object

java.security.spec.MGF1ParameterSpec

All Implemented Interfaces:

AlgorithmParameterSpec

public class MGF1ParameterSpec
extends Object
implements AlgorithmParameterSpec

The parameter specification for the Mask Generation Function (MGF1) in the RSA-PSS Signature and OAEP Padding scheme.

Defined in the PKCS #1 v2.1 standard

Field Summary

Fields

Modifier and Type	Field	Description
static MGF1ParameterSpec	SHA1	The predefined MGF1 parameter specification with an "SHA-1" message digest.
static MGF1ParameterSpec	SHA256	The predefined MGF1 parameter specification with an "SHA-256" message digest.
static MGF1ParameterSpec	SHA384	The predefined MGF1 parameter specification with an "SHA-384" message digest.
static MGF1ParameterSpec	SHA512	The predefined MGF1 parameter specification with an "SHA-512" message digest.

Constructor Summary

Constructors

Constructor	Description
MGF1ParameterSpec(String mdName)	Creates a new MGF1ParameterSpec with the specified message digest algorithm name.

Method Summary

Modifier and Type	Method	Description
String	getDigestAlgorithm()	Returns the name of the message digest algorithm.

Methods inherited from class java.lang.Object

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

Field Details

SHA1

public static final MGF1ParameterSpec SHA1

The predefined MGF1 parameter specification with an "SHA-1" message digest.

SHA256

public static final MGF1ParameterSpec SHA256

The predefined MGF1 parameter specification with an "SHA-256" message digest.

SHA384

public static final MGF1ParameterSpec SHA384

The predefined MGF1 parameter specification with an "SHA-384" message digest.

SHA512

public static final MGF1ParameterSpec SHA512

The predefined MGF1 parameter specification with an "SHA-512" message digest.

Constructor Details

MGF1ParameterSpec

public MGF1ParameterSpec(String mdName)

Creates a new MGF1ParameterSpec with the specified message digest algorithm name.

Parameters:

mdName - the name of the message digest algorithm.

Method Details

getDigestAlgorithm

public String getDigestAlgorithm()

Returns the name of the message digest algorithm.

Returns:

the name of the message digest algorithm.