All Implemented Interfaces:

AlgorithmParameterSpec

public class MGF1ParameterSpec
extends Object
implements AlgorithmParameterSpec 

 PKCS1MGFAlgorithms ALGORITHM-IDENTIFIER ::= {
 { OID id-mgf1 PARAMETERS HashAlgorithm },
 ... -- Allows for future expansion --
 }
 

 HashAlgorithm ::= AlgorithmIdentifier {
 {OAEP-PSSDigestAlgorithms}
 }
 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 }|
 { OID id-sha512-224 PARAMETERS NULL }|
 { OID id-sha512-256 PARAMETERS NULL },
 ... -- Allows for future expansion --
 }
 

Since:

1.5

See Also:

PSSParameterSpec, OAEPParameterSpec

• Field Summary

  Fields

  Modifier and Type	Field	Description
  static MGF1ParameterSpec	SHA1	The MGF1ParameterSpec which uses "SHA-1" message digest
  static MGF1ParameterSpec	SHA224	The MGF1ParameterSpec which uses "SHA-224" message digest
  static MGF1ParameterSpec	SHA256	The MGF1ParameterSpec which uses "SHA-256" message digest
  static MGF1ParameterSpec	SHA384	The MGF1ParameterSpec which uses "SHA-384" message digest
  static MGF1ParameterSpec	SHA512	The MGF1ParameterSpec which uses SHA-512 message digest
  static MGF1ParameterSpec	SHA512_224	The MGF1ParameterSpec which uses SHA-512/224 message digest
  static MGF1ParameterSpec	SHA512_256	The MGF1ParameterSpec which uses SHA-512/256 message digest

• Constructor Summary

  Constructors

  Constructor	Description
  MGF1ParameterSpec (String mdName)	Constructs a parameter set for mask generation function MGF1 as defined in the PKCS #1 standard.

• Method Summary

  All Methods

  Modifier and Type	Method	Description
  String	getDigestAlgorithm ()	Returns the algorithm name of the message digest used by the mask generation function.

  • Methods inherited from class java.lang.Object

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

• Field Detail

  • 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

  • SHA512_224

    public static final MGF1ParameterSpec SHA512_224

    The MGF1ParameterSpec which uses SHA-512/224 message digest

    API Note:

    This field is defined in Java SE 8 Maintenance Release 3.

    Since:

    8

  • SHA512_256

    public static final MGF1ParameterSpec SHA512_256

    The MGF1ParameterSpec which uses SHA-512/256 message digest

    API Note:

    This field is defined in Java SE 8 Maintenance Release 3.

    Since:

    8

• Constructor Detail

  • 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.

• Method Detail

  • 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.