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DSAPrivateKeySpec.java
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106 lines (96 loc) · 1.73 KB
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/*
* Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package java.security.spec;
import java.math.BigInteger;
/**
* This class specifies a DSA private key with its associated parameters.
*
* @author Jan Luehe
*
*
* @see java.security.Key
* @see java.security.KeyFactory
* @see KeySpec
* @see DSAPublicKeySpec
* @see PKCS8EncodedKeySpec
*
* @since 1.2
*/
public class DSAPrivateKeySpec implements KeySpec {
private BigInteger x;
private BigInteger p;
private BigInteger q;
private BigInteger g;
/**
* Creates a new DSAPrivateKeySpec with the specified parameter values.
*
* @param x the private key.
*
* @param p the prime.
*
* @param q the sub-prime.
*
* @param g the base.
*/
public DSAPrivateKeySpec(BigInteger x, BigInteger p, BigInteger q,
BigInteger g) {
this.x = x;
this.p = p;
this.q = q;
this.g = g;
}
/**
* Returns the private key {@code x}.
*
* @return the private key {@code x}.
*/
public BigInteger getX() {
return this.x;
}
/**
* Returns the prime {@code p}.
*
* @return the prime {@code p}.
*/
public BigInteger getP() {
return this.p;
}
/**
* Returns the sub-prime {@code q}.
*
* @return the sub-prime {@code q}.
*/
public BigInteger getQ() {
return this.q;
}
/**
* Returns the base {@code g}.
*
* @return the base {@code g}.
*/
public BigInteger getG() {
return this.g;
}
}