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Java Source | 1998-03-20 | 2.0 KB | 97 lines |
- /*
- * @(#)DSAPublicKeySpec.java 1.9 98/03/18
- *
- * Copyright 1997 by Sun Microsystems, Inc.,
- * 901 San Antonio Road, Palo Alto, California, 94303, U.S.A.
- * All rights reserved.
- *
- * This software is the confidential and proprietary information
- * of Sun Microsystems, Inc. ("Confidential Information"). You
- * shall not disclose such Confidential Information and shall use
- * it only in accordance with the terms of the license agreement
- * you entered into with Sun.
- */
-
- package java.security.spec;
-
- import java.math.BigInteger;
-
- /**
- * This class specifies a DSA public key with its associated parameters.
- *
- * @author Jan Luehe
- *
- * @version 1.9, 98/03/18
- *
- * @see java.security.Key
- * @see java.security.KeyFactory
- * @see KeySpec
- * @see DSAPrivateKeySpec
- * @see X509EncodedKeySpec
- *
- * @since JDK1.2
- */
-
- public class DSAPublicKeySpec implements KeySpec {
-
- private BigInteger y;
- private BigInteger p;
- private BigInteger q;
- private BigInteger g;
-
- /**
- * Creates a new DSAPublicKeySpec with the specified parameter values.
- *
- * @param y the public key.
- *
- * @param p the prime.
- *
- * @param q the sub-prime.
- *
- * @param g the base.
- */
- public DSAPublicKeySpec(BigInteger y, BigInteger p, BigInteger q,
- BigInteger g) {
- this.y = y;
- this.p = p;
- this.q = q;
- this.g = g;
- }
-
- /**
- * Returns the public key <code>y</code>.
- *
- * @return the public key <code>y</code>.
- */
- public BigInteger getY() {
- return this.y;
- }
-
- /**
- * Returns the prime <code>p</code>.
- *
- * @return the prime <code>p</code>.
- */
- public BigInteger getP() {
- return this.p;
- }
-
- /**
- * Returns the sub-prime <code>q</code>.
- *
- * @return the sub-prime <code>q</code>.
- */
- public BigInteger getQ() {
- return this.q;
- }
-
- /**
- * Returns the base <code>g</code>.
- *
- * @return the base <code>g</code>.
- */
- public BigInteger getG() {
- return this.g;
- }
- }
-