[freenet-cvs] r11646 - trunk/freenet/src/freenet/crypt

[toad at freenetproject.org]

Author: toad
Date: 2007-01-30 16:13:46 +0000 (Tue, 30 Jan 2007)
New Revision: 11646

Modified:
   trunk/freenet/src/freenet/crypt/DSAPublicKey.java
Log:
be lazy

Modified: trunk/freenet/src/freenet/crypt/DSAPublicKey.java
===================================================================
--- trunk/freenet/src/freenet/crypt/DSAPublicKey.java	2007-01-30 15:23:16 UTC (rev 11645)
+++ trunk/freenet/src/freenet/crypt/DSAPublicKey.java	2007-01-30 16:13:46 UTC (rev 11646)
@@ -17,7 +17,7 @@
     
     private final BigInteger y;
 	/** A cache of the hexadecimal string representation of y */
-    private final String yAsHexString; 
+    private String yAsHexString; 
     
     public static final int PADDED_SIZE = 1024;
 
@@ -27,7 +27,6 @@
     
     public DSAPublicKey(DSAGroup g, BigInteger y) {
 		this.y=y;
-		this.yAsHexString = HexUtil.biToHex(y);
 		this.group=g;
 		if(g == null) throw new NullPointerException();
     }
@@ -50,7 +49,6 @@
     public DSAPublicKey(InputStream is) throws IOException {
 		group=(DSAGroup) DSAGroup.read(is);
 		y=Util.readMPI(is);
-		this.yAsHexString = HexUtil.biToHex(y);
     }
     
     public DSAPublicKey(byte[] pubkeyAsBytes) throws IOException {
@@ -62,6 +60,8 @@
     }
     
 	public String getYAsHexString() {
+		if(yAsHexString == null)
+			this.yAsHexString = HexUtil.biToHex(y);
 		return yAsHexString;
 	}