Index: gnu/java/security/provider/GnuDSAPrivateKey.java
===================================================================
RCS file: /cvsroot/classpath/classpath/gnu/java/security/provider/GnuDSAPrivateKey.java,v
retrieving revision 1.4
diff -u -b -B -r1.4 GnuDSAPrivateKey.java
--- gnu/java/security/provider/GnuDSAPrivateKey.java 23 Apr 2003 22:59:42 -0000 1.4
+++ gnu/java/security/provider/GnuDSAPrivateKey.java 7 Nov 2004 22:16:56 -0000
@@ -1,5 +1,5 @@
/* GnuDSAPrivateKey.java --- Gnu DSA Private Key
- Copyright (C) 1999 Free Software Foundation, Inc.
+ Copyright (C) 1999,2003,2004 Free Software Foundation, Inc.
This file is part of GNU Classpath.
@@ -38,7 +38,16 @@
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.DSAPrivateKey;
import java.security.interfaces.DSAParams;
import java.security.spec.DSAParameterSpec;
@@ -43,8 +52,11 @@
import java.security.interfaces.DSAParams;
import java.security.spec.DSAParameterSpec;
+import java.util.ArrayList;
+
public class GnuDSAPrivateKey implements DSAPrivateKey
{
+ private byte[] encodedKey;
BigInteger x;
BigInteger p;
BigInteger q;
@@ -65,13 +77,57 @@
public String getFormat()
{
- return null;
+ return "PKCS#8";
}
+ /**
+ * Encodes this key as a PrivateKeyInfo
, as described in
+ * PKCS #8. The ASN.1 specification for this structure is:
+ *
+ *
+ * + *+ * PrivateKeyInfo ::= SEQUENCE { + * version Version, + * privateKeyAlgorithm PrivateKeyAlgorithmIdentifier, + * privateKey PrivateKey, + * attributes [0] IMPLICIT Attributes OPTIONAL } + * + * Version ::= INTEGER + * + * PrivateKeyAlgorithmIdentifier ::= AlgorithmIdentifier + * + * PrivateKey ::= OCTET STRING + * + * Attributes ::= SET OF Attribute + *
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() { @@ -85,7 +141,10 @@ public String toString() { - return "GnuDSAPrivateKey: x=" + x.toString(16) + " p=" + p.toString(16) - + " q=" + q.toString(16) + " g=" + g.toString(16); + 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"); } } Index: gnu/java/security/provider/GnuDSAPublicKey.java =================================================================== RCS file: /cvsroot/classpath/classpath/gnu/java/security/provider/GnuDSAPublicKey.java,v retrieving revision 1.4 diff -u -b -B -r1.4 GnuDSAPublicKey.java --- gnu/java/security/provider/GnuDSAPublicKey.java 23 Apr 2003 22:59:42 -0000 1.4 +++ gnu/java/security/provider/GnuDSAPublicKey.java 7 Nov 2004 22:16:56 -0000 @@ -1,5 +1,5 @@ /* GnuDSAPublicKey.java --- Gnu DSA Public Key - Copyright (C) 1999,2003 Free Software Foundation, Inc. + Copyright (C) 1999,2003,2004 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -38,7 +38,17 @@ package gnu.java.security.provider; +import gnu.java.security.OID; +import gnu.java.security.der.BitString; +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.DSAPublicKey; import java.security.interfaces.DSAParams; import java.security.spec.DSAParameterSpec; @@ -43,8 +53,11 @@ import java.security.interfaces.DSAParams; import java.security.spec.DSAParameterSpec; +import java.util.ArrayList; + public class GnuDSAPublicKey implements DSAPublicKey { + private byte[] encodedKey; BigInteger y; BigInteger p; BigInteger q; @@ -65,16 +78,49 @@ public String getFormat() { - return null; + return "X.509"; } + /** + * The encoded form of DSA public keys is: + * + *
+ */ public byte[] getEncoded() { + if (encodedKey != null) + return (byte[]) encodedKey.clone(); + try + { + ByteArrayOutputStream out = new ByteArrayOutputStream(); + ArrayList spki = new ArrayList(2); + ArrayList alg = new ArrayList(2); + alg.add(new DERValue(DER.OBJECT_IDENTIFIER, + new OID("1.2.840.113549.1.1.1"))); + ArrayList params = new ArrayList(3); + params.add(new DERValue(DER.INTEGER, p)); + params.add(new DERValue(DER.INTEGER, q)); + params.add(new DERValue(DER.INTEGER, g)); + alg.add(new DERValue(DER.CONSTRUCTED|DER.SEQUENCE, params)); + spki.add(new DERValue(DER.CONSTRUCTED|DER.SEQUENCE, alg)); + spki.add(new DERValue(DER.BIT_STRING, new BitString(y.toByteArray()))); + DERWriter.write(out, new DERValue(DER.CONSTRUCTED|DER.SEQUENCE, spki)); + return (byte[]) (encodedKey = out.toByteArray()).clone(); + } + catch (IOException ioe) + { return null; } + } public DSAParams getParams() { + if (p == null || q == null || g == null) + return null; return (DSAParams)(new DSAParameterSpec(p,q,g)); } @@ -85,7 +131,10 @@ public String toString() { - return "GnuDSAPublicKey: y=" + y.toString(16) + " p=" + p.toString(16) - + " q=" + q.toString(16) + " g=" + g.toString(16); + return + "GnuDSAPublicKey: y=" + (y != null ? y.toString(16) : "(null)") + + " p=" + (p != null ? p.toString(16) : "(null)") + + " q=" + (q != null ? q.toString(16) : "(null)") + + " g=" + (g != null ? g.toString(16) : "(null)"); } }+ * SubjectPublicKeyInfo ::= SEQUENCE { + * algorithm AlgorithmIdentifier, + * subjectPublicKey BIT STRING } + *