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package java.security.spec;

import java.math.BigInteger;

This class specifies a DSA public key with its associated parameters.
Author:Jan Luehe
See Also:
Since:1.2
/** * This class specifies a DSA public key with its associated parameters. * * @author Jan Luehe * * * @see java.security.Key * @see java.security.KeyFactory * @see KeySpec * @see DSAPrivateKeySpec * @see X509EncodedKeySpec * * @since 1.2 */
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.
Params:
  • y – the public key.
  • p – the prime.
  • q – the sub-prime.
  • g – the base.
/** * 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 y.
Returns:the public key y.
/** * Returns the public key {@code y}. * * @return the public key {@code y}. */
public BigInteger getY() { return this.y; }
Returns the prime p.
Returns:the prime p.
/** * Returns the prime {@code p}. * * @return the prime {@code p}. */
public BigInteger getP() { return this.p; }
Returns the sub-prime q.
Returns:the sub-prime q.
/** * Returns the sub-prime {@code q}. * * @return the sub-prime {@code q}. */
public BigInteger getQ() { return this.q; }
Returns the base g.
Returns:the base g.
/** * Returns the base {@code g}. * * @return the base {@code g}. */
public BigInteger getG() { return this.g; } }