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-rw-r--r--pki/base/util/src/netscape/security/x509/AlgIdDSA.java167
1 files changed, 86 insertions, 81 deletions
diff --git a/pki/base/util/src/netscape/security/x509/AlgIdDSA.java b/pki/base/util/src/netscape/security/x509/AlgIdDSA.java
index 806f1a073..4e7030ce4 100644
--- a/pki/base/util/src/netscape/security/x509/AlgIdDSA.java
+++ b/pki/base/util/src/netscape/security/x509/AlgIdDSA.java
@@ -26,23 +26,25 @@ import netscape.security.util.BigInt;
import netscape.security.util.DerOutputStream;
import netscape.security.util.DerValue;
+
/**
- * This class identifies DSS/DSA Algorithm variants, which are distinguished by
- * using different algorithm parameters <em>P, Q, G</em>. It uses the NIST/IETF
- * standard DER encoding. These are used to implement the Digital Signature
- * Standard (DSS), FIPS 186.
- *
- * <P>
- * <em><b>NOTE:</b> At this time, DSS/DSA Algorithm IDs must always
+ * This class identifies DSS/DSA Algorithm variants, which are distinguished
+ * by using different algorithm parameters <em>P, Q, G</em>. It uses the
+ * NIST/IETF standard DER encoding. These are used to implement the Digital
+ * Signature Standard (DSS), FIPS 186.
+ *
+ * <P><em><b>NOTE:</b> At this time, DSS/DSA Algorithm IDs must always
* include these parameters. Use of DSS/DSA in modes where parameters are
* either implicit (e.g. a default applicable to a site or a larger scope),
* or are derived from some Certificate Authority's DSS certificate, is
* not currently supported. </em>
- *
+ *
* @version 1.31
* @author David Brownell
*/
-public final class AlgIdDSA extends AlgorithmId implements DSAParams {
+public final
+class AlgIdDSA extends AlgorithmId implements DSAParams
+{
/**
*
*/
@@ -50,130 +52,133 @@ public final class AlgIdDSA extends AlgorithmId implements DSAParams {
/*
* The three unsigned integer parameters.
*/
- private BigInteger p, q, g;
+ private BigInteger p , q, g;
/** Returns the DSS/DSA parameter "P" */
- public BigInteger getP() {
- return p;
- }
+ public BigInteger getP () { return p; }
/** Returns the DSS/DSA parameter "Q" */
- public BigInteger getQ() {
- return q;
- }
+ public BigInteger getQ () { return q; }
/** Returns the DSS/DSA parameter "G" */
- public BigInteger getG() {
- return g;
- }
+ public BigInteger getG () { return g; }
/**
- * Default constructor. The OID and parameters must be deserialized before
- * this algorithm ID is used.
+ * Default constructor. The OID and parameters must be
+ * deserialized before this algorithm ID is used.
*/
// XXX deprecated for general use
- public AlgIdDSA() {
- }
+ public AlgIdDSA () {}
- AlgIdDSA(DerValue val) throws IOException {
- super(val.getOID());
- }
+ AlgIdDSA (DerValue val) throws IOException
+ { super(val.getOID()); }
/**
- * Construct an AlgIdDSA from an X.509 encoded byte array.
+ * Construct an AlgIdDSA from an X.509 encoded byte array.
*/
- public AlgIdDSA(byte[] encodedAlg) throws IOException {
- super(new DerValue(encodedAlg).getOID());
- }
+ public AlgIdDSA (byte[] encodedAlg) throws IOException
+ { super (new DerValue(encodedAlg).getOID()); }
/**
- * Constructs a DSS/DSA Algorithm ID from unsigned integers that define the
- * algorithm parameters. Those integers are encoded as big-endian byte
- * arrays.
- *
+ * Constructs a DSS/DSA Algorithm ID from unsigned integers that
+ * define the algorithm parameters. Those integers are encoded
+ * as big-endian byte arrays.
+ *
* @param p the DSS/DSA paramter "P"
* @param q the DSS/DSA paramter "Q"
* @param g the DSS/DSA paramter "G"
*/
- public AlgIdDSA(byte p[], byte q[], byte g[]) throws IOException {
- this(new BigInteger(1, p), new BigInteger(1, q), new BigInteger(1, g));
+ public AlgIdDSA (byte p [], byte q [], byte g [])
+ throws IOException
+ {
+ this (new BigInteger (1, p),
+ new BigInteger (1, q),
+ new BigInteger (1, g));
}
/**
* Constructs a DSS/DSA Algorithm ID from numeric parameters.
- *
+ *
* @param p the DSS/DSA paramter "P"
* @param q the DSS/DSA paramter "Q"
* @param g the DSS/DSA paramter "G"
*/
- public AlgIdDSA(BigInteger p, BigInteger q, BigInteger g) {
- super(DSA_oid);
-
- try {
- this.p = p;
- this.q = q;
- this.g = g;
- initializeParams();
-
- } catch (IOException e) {
- /* this should not happen */
- throw new ProviderException("Construct DSS/DSA Algorithm ID");
- }
+ public AlgIdDSA (BigInteger p, BigInteger q, BigInteger g)
+ {
+ super (DSA_oid);
+
+ try {
+ this.p = p;
+ this.q = q;
+ this.g = g;
+ initializeParams ();
+
+ } catch (IOException e) {
+ /* this should not happen */
+ throw new ProviderException ("Construct DSS/DSA Algorithm ID");
+ }
}
/**
* Returns "DSA", indicating the Digital Signature Algorithm (DSA) as
* defined by the Digital Signature Standard (DSS), FIPS 186.
*/
- public String getName() {
- return "DSA";
- }
+ public String getName ()
+ { return "DSA"; }
+
/*
- * For algorithm IDs which haven't been created from a DER encoded value,
- * "params" must be created.
+ * For algorithm IDs which haven't been created from a DER encoded
+ * value, "params" must be created.
*/
- private void initializeParams() throws IOException {
- DerOutputStream out = new DerOutputStream();
-
- out.putInteger(new BigInt(p.toByteArray()));
- out.putInteger(new BigInt(q.toByteArray()));
- out.putInteger(new BigInt(g.toByteArray()));
- params = new DerValue(DerValue.tag_Sequence, out.toByteArray());
+ private void initializeParams ()
+ throws IOException
+ {
+ DerOutputStream out = new DerOutputStream ();
+
+ out.putInteger (new BigInt(p.toByteArray()));
+ out.putInteger (new BigInt(q.toByteArray()));
+ out.putInteger (new BigInt(g.toByteArray()));
+ params = new DerValue (DerValue.tag_Sequence,out.toByteArray ());
}
/**
- * Parses algorithm parameters P, Q, and G. They're found in the "params"
- * member, which never needs to be changed.
+ * Parses algorithm parameters P, Q, and G. They're found
+ * in the "params" member, which never needs to be changed.
*/
- protected void decodeParams() throws IOException {
- if (params == null || params.tag != DerValue.tag_Sequence)
- throw new IOException("DSA alg parsing error");
+ protected void decodeParams ()
+ throws IOException
+ {
+ if (params == null || params.tag != DerValue.tag_Sequence)
+ throw new IOException("DSA alg parsing error");
- params.data.reset();
+ params.data.reset ();
- this.p = params.data.getInteger().toBigInteger();
- this.q = params.data.getInteger().toBigInteger();
- this.g = params.data.getInteger().toBigInteger();
+ this.p = params.data.getInteger ().toBigInteger();
+ this.q = params.data.getInteger ().toBigInteger();
+ this.g = params.data.getInteger ().toBigInteger();
- if (params.data.available() != 0)
- throw new IOException("AlgIdDSA params, extra="
- + params.data.available());
+ if (params.data.available () != 0)
+ throw new IOException ("AlgIdDSA params, extra="+
+ params.data.available ());
}
+
/*
* Returns a formatted string describing the parameters.
*/
- public String toString() {
- return paramsToString();
- }
+ public String toString ()
+ { return paramsToString (); }
/*
* Returns a string describing the parameters.
*/
- protected String paramsToString() {
- return "\n p:\n" + (new BigInt(p)).toString() + "\n q:\n"
- + (new BigInt(q)).toString() + "\n g:\n"
- + (new BigInt(g)).toString() + "\n";
+ protected String paramsToString ()
+ {
+ return
+ "\n p:\n" + (new BigInt(p)).toString() +
+ "\n q:\n" + (new BigInt(q)).toString() +
+ "\n g:\n" + (new BigInt(g)).toString() +
+ "\n";
}
}
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