121 lines
4.0 KiB
Java
121 lines
4.0 KiB
Java
/*
|
|
* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package java.security.spec;
|
|
|
|
/**
|
|
* This class represents the ASN.1 encoding of a private key,
|
|
* encoded according to the ASN.1 type {@code PrivateKeyInfo}.
|
|
* The {@code PrivateKeyInfo} syntax is defined in the PKCS#8 standard
|
|
* as follows:
|
|
*
|
|
* <pre>
|
|
* PrivateKeyInfo ::= SEQUENCE {
|
|
* version Version,
|
|
* privateKeyAlgorithm PrivateKeyAlgorithmIdentifier,
|
|
* privateKey PrivateKey,
|
|
* attributes [0] IMPLICIT Attributes OPTIONAL }
|
|
*
|
|
* Version ::= INTEGER
|
|
*
|
|
* PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier
|
|
*
|
|
* PrivateKey ::= OCTET STRING
|
|
*
|
|
* Attributes ::= SET OF Attribute
|
|
* </pre>
|
|
*
|
|
* @author Jan Luehe
|
|
*
|
|
*
|
|
* @see java.security.Key
|
|
* @see java.security.KeyFactory
|
|
* @see KeySpec
|
|
* @see EncodedKeySpec
|
|
* @see X509EncodedKeySpec
|
|
*
|
|
* @since 1.2
|
|
*/
|
|
|
|
public class PKCS8EncodedKeySpec extends EncodedKeySpec {
|
|
|
|
/**
|
|
* Creates a new {@code PKCS8EncodedKeySpec} with the given encoded key.
|
|
*
|
|
* @param encodedKey the key, which is assumed to be
|
|
* encoded according to the PKCS #8 standard. The contents of
|
|
* the array are copied to protect against subsequent modification.
|
|
* @throws NullPointerException if {@code encodedKey}
|
|
* is null.
|
|
*/
|
|
public PKCS8EncodedKeySpec(byte[] encodedKey) {
|
|
super(encodedKey);
|
|
}
|
|
|
|
/**
|
|
* Creates a new {@code PKCS8EncodedKeySpec} with the given encoded key and
|
|
* algorithm. This constructor is useful when subsequent callers of
|
|
* the {@code PKCS8EncodedKeySpec} object might not know the
|
|
* algorithm of the private key.
|
|
*
|
|
* @param encodedKey the key, which is assumed to be
|
|
* encoded according to the PKCS #8 standard. The contents of
|
|
* the array are copied to protect against subsequent modification.
|
|
* @param algorithm the algorithm name of the encoded private key
|
|
* See the KeyFactory section in the <a href=
|
|
* "{@docRoot}/../specs/security/standard-names.html#keyfactory-algorithms">
|
|
* Java Security Standard Algorithm Names Specification</a>
|
|
* for information about standard algorithm names.
|
|
* @throws NullPointerException if {@code encodedKey}
|
|
* or {@code algorithm} is null.
|
|
* @throws IllegalArgumentException if {@code algorithm} is
|
|
* the empty string {@code ""}
|
|
* @since 9
|
|
*/
|
|
public PKCS8EncodedKeySpec(byte[] encodedKey, String algorithm) {
|
|
super(encodedKey, algorithm);
|
|
}
|
|
|
|
/**
|
|
* Returns the key bytes, encoded according to the PKCS #8 standard.
|
|
*
|
|
* @return the PKCS #8 encoding of the key. Returns a new array
|
|
* each time this method is called.
|
|
*/
|
|
public byte[] getEncoded() {
|
|
return super.getEncoded();
|
|
}
|
|
|
|
/**
|
|
* Returns the name of the encoding format associated with this
|
|
* key specification.
|
|
*
|
|
* @return the string {@code "PKCS#8"}.
|
|
*/
|
|
public final String getFormat() {
|
|
return "PKCS#8";
|
|
}
|
|
}
|