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Diffstat (limited to 'libjava/gnu/java/security/provider/GnuDSAPrivateKey.java')
-rw-r--r-- | libjava/gnu/java/security/provider/GnuDSAPrivateKey.java | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/libjava/gnu/java/security/provider/GnuDSAPrivateKey.java b/libjava/gnu/java/security/provider/GnuDSAPrivateKey.java deleted file mode 100644 index aac2faab229..00000000000 --- a/libjava/gnu/java/security/provider/GnuDSAPrivateKey.java +++ /dev/null @@ -1,147 +0,0 @@ -/* GnuDSAPrivateKey.java --- Gnu DSA Private Key - Copyright (C) 1999,2003,2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package gnu.java.security.provider; - -import gnu.java.security.OID; -import gnu.java.security.der.DER; -import gnu.java.security.der.DERValue; -import gnu.java.security.der.DERWriter; - -import java.io.ByteArrayOutputStream; -import java.io.IOException; -import java.math.BigInteger; -import java.security.interfaces.DSAParams; -import java.security.interfaces.DSAPrivateKey; -import java.security.spec.DSAParameterSpec; -import java.util.ArrayList; - -public class GnuDSAPrivateKey implements DSAPrivateKey -{ - private byte[] encodedKey; - BigInteger x; - BigInteger p; - BigInteger q; - BigInteger g; - - public GnuDSAPrivateKey(BigInteger x, BigInteger p, BigInteger q, BigInteger g ) - { - this.x = x; - this.p = p; - this.q = q; - this.g = g; - } - - public String getAlgorithm() - { - return "DSA"; - } - - public String getFormat() - { - return "PKCS#8"; - } - - /** - * Encodes this key as a <code>PrivateKeyInfo</code>, as described in - * PKCS #8. The ASN.1 specification for this structure is: - * - * <blockquote><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></blockquote> - * - * <p>DSA private keys (in Classpath at least) have no attributes. - */ - public byte[] getEncoded() - { - if (encodedKey != null) - return (byte[]) encodedKey.clone(); - try - { - ByteArrayOutputStream out = new ByteArrayOutputStream(); - ArrayList pki = new ArrayList(3); - pki.add(new DERValue(DER.INTEGER, BigInteger.ZERO)); - ArrayList algId = new ArrayList(2); - algId.add(new DERValue(DER.OBJECT_IDENTIFIER, - new OID("1.2.840.10040.4.1"))); - ArrayList algParams = new ArrayList(3); - algParams.add(new DERValue(DER.INTEGER, p)); - algParams.add(new DERValue(DER.INTEGER, q)); - algParams.add(new DERValue(DER.INTEGER, g)); - algId.add(new DERValue(DER.CONSTRUCTED|DER.SEQUENCE, algParams)); - pki.add(new DERValue(DER.OCTET_STRING, x.toByteArray())); - DERWriter.write(out, new DERValue(DER.CONSTRUCTED|DER.SEQUENCE, pki)); - return (byte[]) (encodedKey = out.toByteArray()).clone(); - } - catch (IOException ioe) - { - return null; - } - } - - public DSAParams getParams() - { - return (DSAParams)(new DSAParameterSpec(p,q,g)); - } - - public BigInteger getX() - { - return x; - } - - public String toString() - { - return "GnuDSAPrivateKey: x=" - + (x != null ? x.toString(16) : "null") + " p=" - + (p != null ? p.toString(16) : "null") + " q=" - + (q != null ? q.toString(16) : "null") + " g=" - + (g != null ? g.toString(16) : "null"); - } -} |