Class MGF1ParameterSpec

• java.lang.Object
• • java.security.spec.MGF1ParameterSpec

All Implemented Interfaces:

AlgorithmParameterSpec

public class MGF1ParameterSpec
extends Object
implements AlgorithmParameterSpec

MGF1Parameters ::= OAEP-PSSDigestAlgorthms

OAEP-PSSDigestAlgorithms    ALGORITHM-IDENTIFIER ::= {
   { OID id-sha1 PARAMETERS NULL   }|
   { OID id-sha224 PARAMETERS NULL   }|
   { OID id-sha256 PARAMETERS NULL }|
   { OID id-sha384 PARAMETERS NULL }|
   { OID id-sha512 PARAMETERS NULL },
   ...  -- Allows for future expansion --
 }

Since:

1.5

See Also:

PSSParameterSpec, OAEPParameterSpec

Fields

SHA1

public static final MGF1ParameterSpec SHA1

The MGF1ParameterSpec which uses "SHA-1" message digest.

SHA224

public static final MGF1ParameterSpec SHA224

The MGF1ParameterSpec which uses "SHA-224" message digest.

SHA256

public static final MGF1ParameterSpec SHA256

The MGF1ParameterSpec which uses "SHA-256" message digest.

SHA384

public static final MGF1ParameterSpec SHA384

The MGF1ParameterSpec which uses "SHA-384" message digest.

SHA512

public static final MGF1ParameterSpec SHA512

The MGF1ParameterSpec which uses SHA-512 message digest.

Constructors

MGF1ParameterSpec

public MGF1ParameterSpec(String mdName)

Constructs a parameter set for mask generation function MGF1 as defined in the PKCS #1 standard.

Parameters:

mdName - the algorithm name for the message digest used in this mask generation function MGF1.

Throws:

NullPointerException - if mdName is null.

Methods

getDigestAlgorithm

public String getDigestAlgorithm()

Returns the algorithm name of the message digest used by the mask generation function.

Returns:

the algorithm name of the message digest.