DSAPublicKeySpec (Java SE 9 & JDK 9 ) (original) (raw)

• java.lang.Object

• • java.security.spec.DSAPublicKeySpec

• All Implemented Interfaces:
  [KeySpec](../../../java/security/spec/KeySpec.html "interface in java.security.spec")

public class DSAPublicKeySpec
extends Object
implements KeySpec
This class specifies a DSA public key with its associated parameters.
Since:
1.2
See Also:
Key, KeyFactory, KeySpec, DSAPrivateKeySpec, X509EncodedKeySpec

• • Constructor Summary

  Constructors

  Constructor	Description
  DSAPublicKeySpec​(BigInteger y,BigInteger p,BigInteger q,BigInteger g)	Creates a new DSAPublicKeySpec with the specified parameter values.

  • Method Summary

  All Methods Instance Methods Concrete Methods

  Modifier and Type	Method	Description
  BigInteger	getG​()	Returns the base g.
  BigInteger	getP​()	Returns the prime p.
  BigInteger	getQ​()	Returns the sub-prime q.
  BigInteger	getY​()	Returns the public key y.

     * ### Methods inherited from class java.lang.[Object](../../../java/lang/Object.html "class in java.lang")  
     `[clone](../../../java/lang/Object.html#clone--), [equals](../../../java/lang/Object.html#equals-java.lang.Object-), [finalize](../../../java/lang/Object.html#finalize--), [getClass](../../../java/lang/Object.html#getClass--), [hashCode](../../../java/lang/Object.html#hashCode--), [notify](../../../java/lang/Object.html#notify--), [notifyAll](../../../java/lang/Object.html#notifyAll--), [toString](../../../java/lang/Object.html#toString--), [wait](../../../java/lang/Object.html#wait--), [wait](../../../java/lang/Object.html#wait-long-), [wait](../../../java/lang/Object.html#wait-long-int-)`

• • Constructor Detail

     * #### DSAPublicKeySpec  
     public DSAPublicKeySpec​([BigInteger](../../../java/math/BigInteger.html "class in java.math") y,  
                             [BigInteger](../../../java/math/BigInteger.html "class in java.math") p,  
                             [BigInteger](../../../java/math/BigInteger.html "class in java.math") q,  
                             [BigInteger](../../../java/math/BigInteger.html "class in java.math") g)  
     Creates a new DSAPublicKeySpec with the specified parameter values.  
     Parameters:  
     `y` \- the public key.  
     `p` \- the prime.  
     `q` \- the sub-prime.  
     `g` \- the base.  

  • Method Detail

    * #### getY  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getY​()  
    Returns the public key `y`.  
    Returns:  
    the public key `y`.  
    * #### getP  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getP​()  
    Returns the prime `p`.  
    Returns:  
    the prime `p`.  
    * #### getQ  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getQ​()  
    Returns the sub-prime `q`.  
    Returns:  
    the sub-prime `q`.  
    * #### getG  
    public [BigInteger](../../../java/math/BigInteger.html "class in java.math") getG​()  
    Returns the base `g`.  
    Returns:  
    the base `g`.

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