JDK 11 java.security.jgss.jmod - Security JGSS Module

JDK 11 java.security.jgss.jmod is the JMOD file for JDK 11 Security JGSS (Java Generic Security Service) module.

JDK 11 Security JGSS module compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\java.security.jgss.jmod.

JDK 11 Security JGSS module compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 Security JGSS module source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\java.security.jgss.

You can click and view the content of each source code file in the list below.

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javax/security/auth/kerberos/EncryptionKey.java

/*
 * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package javax.security.auth.kerberos;

import java.util.Arrays;
import java.util.Objects;
import javax.crypto.SecretKey;
import javax.security.auth.DestroyFailedException;

/**
 * This class encapsulates an EncryptionKey used in Kerberos.<p>
 *
 * An EncryptionKey is defined in Section 4.2.9 of the Kerberos Protocol
 * Specification (<a href=http://www.ietf.org/rfc/rfc4120.txt>RFC 4120</a>) as:
 * <pre>
 *     EncryptionKey   ::= SEQUENCE {
 *             keytype         [0] Int32 -- actually encryption type --,
 *             keyvalue        [1] OCTET STRING
 *     }
 * </pre>
 * The key material of an {@code EncryptionKey} is defined as the value
 * of the {@code keyValue} above.
 *
 * @since 9
 */
public final class EncryptionKey implements SecretKey {

    private static final long serialVersionUID = 9L;

   /**
    * {@code KeyImpl} is serialized by writing out the ASN.1 encoded bytes
    * of the encryption key.
    *
    * @serial
    */
    final private KeyImpl key;

    private transient boolean destroyed = false;

    /**
     * Constructs an {@code EncryptionKey} from the given bytes and
     * the key type.
     * <p>
     * The contents of the byte array are copied; subsequent modification of
     * the byte array does not affect the newly created key.
     *
     * @param keyBytes the key material for the key
     * @param keyType the key type for the key as defined by the
     *                Kerberos protocol specification.
     * @throws NullPointerException if keyBytes is null
     */
    public EncryptionKey(byte[] keyBytes, int keyType) {
        key = new KeyImpl(Objects.requireNonNull(keyBytes), keyType);
    }

    /**
     * Returns the key type for this key.
     *
     * @return the key type.
     * @throws IllegalStateException if the key is destroyed
     */
    public int getKeyType() {
        // KeyImpl already checked if destroyed
        return key.getKeyType();
    }

    /*
     * Methods from java.security.Key
     */

    /**
     * Returns the standard algorithm name for this key. The algorithm names
     * are the encryption type string defined on the IANA
     * <a href="https://www.iana.org/assignments/kerberos-parameters/kerberos-parameters.xhtml#kerberos-parameters-1">Kerberos Encryption Type Numbers</a>
     * page.
     * <p>
     * This method can return the following value not defined on the IANA page:
     * <ol>
     *     <li>none: for etype equal to 0</li>
     *     <li>unknown: for etype greater than 0 but unsupported by
     *         the implementation</li>
     *     <li>private: for etype smaller than 0</li>
     * </ol>
     *
     * @return the name of the algorithm associated with this key.
     * @throws IllegalStateException if the key is destroyed
     */
    @Override
    public String getAlgorithm() {
        // KeyImpl already checked if destroyed
        return key.getAlgorithm();
    }

    /**
     * Returns the name of the encoding format for this key.
     *
     * @return the String "RAW"
     * @throws IllegalStateException if the key is destroyed
     */
    @Override
    public String getFormat() {
        // KeyImpl already checked if destroyed
        return key.getFormat();
    }

    /**
     * Returns the key material of this key.
     *
     * @return a newly allocated byte array that contains the key material
     * @throws IllegalStateException if the key is destroyed
     */
    @Override
    public byte[] getEncoded() {
        // KeyImpl already checked if destroyed
        return key.getEncoded();
    }

    /**
     * Destroys this key by clearing out the key material of this key.
     *
     * @throws DestroyFailedException if some error occurs while destorying
     * this key.
     */
    @Override
    public void destroy() throws DestroyFailedException {
        if (!destroyed) {
            key.destroy();
            destroyed = true;
        }
    }


    @Override
    public boolean isDestroyed() {
        return destroyed;
    }

    /**
     * Returns an informative textual representation of this {@code EncryptionKey}.
     *
     * @return an informative textual representation of this {@code EncryptionKey}.
     */
    @Override
    public String toString() {
        if (destroyed) {
            return "Destroyed EncryptionKey";
        }
        return "key "  + key.toString();
    }

    /**
     * Returns a hash code for this {@code EncryptionKey}.
     *
     * @return a hash code for this {@code EncryptionKey}.
     */
    @Override
    public int hashCode() {
        int result = 17;
        if (isDestroyed()) {
            return result;
        }
        result = 37 * result + Arrays.hashCode(getEncoded());
        return 37 * result + getKeyType();
    }

    /**
     * Compares the specified object with this key for equality.
     * Returns true if the given object is also an
     * {@code EncryptionKey} and the two
     * {@code EncryptionKey} instances are equivalent. More formally two
     * {@code EncryptionKey} instances are equal if they have equal key types
     * and key material.
     * A destroyed {@code EncryptionKey} object is only equal to itself.
     *
     * @param other the object to compare to
     * @return true if the specified object is equal to this
     * {@code EncryptionKey}, false otherwise.
     */
    @Override
    public boolean equals(Object other) {

        if (other == this)
            return true;

        if (! (other instanceof EncryptionKey)) {
            return false;
        }

        EncryptionKey otherKey = ((EncryptionKey) other);
        if (isDestroyed() || otherKey.isDestroyed()) {
            return false;
        }

        return getKeyType() == otherKey.getKeyType()
                && Arrays.equals(getEncoded(), otherKey.getEncoded());
    }
}

javax/security/auth/kerberos/EncryptionKey.java

 

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