appears to fix issue craigwblake#62 keys with bigger RSA headers fail

Author: denuno

src/main/java/org/redline_rpm/SignatureGenerator.java

@@ -31,7 +31,7 @@
  */
 public class SignatureGenerator {
 
-    protected static final int SIGNATURE_SIZE = 287;
+    protected static final int SIGNATURE_SIZE = 543;
     protected final boolean enabled;
     protected Entry< byte[]> headerOnlyRSAEntry;
     protected Entry< byte[]> headerAndPayloadPGPEntry;

src/test/java/org/redline_rpm/ant/RedlineTaskTest.java

@@ -423,6 +423,23 @@ public void testSigning() throws Exception {
 		assertNotNull( format.getSignature().getEntry( LEGACY_PGP));
 	}
 
+	@Test
+	public void testSigningBiggerRSAHeader() throws Exception {
+	    
+	    File dir = ensureTargetDir();
+	    
+	    File filename = new File(dir, "rpmtest-1.0-1.noarch.rpm");
+	    
+	    RedlineTask task = createBasicTask( dir);
+	    task.setPrivateKeyRingFile( new File( getFileResource( "/pgp/secringBiggerRSAHeader.gpg")));
+	    task.setPrivateKeyPassphrase( "test");
+	    task.execute();
+	    
+	    Format format = getFormat( filename);
+	    assertNotNull( format.getSignature().getEntry( RSAHEADER));
+	    assertNotNull( format.getSignature().getEntry( LEGACY_PGP));
+	}
+	
 	private Format getFormat( File filename ) throws IOException {
 		Scanner scanner = new Scanner();
 		return scanner.run(new ReadableChannelWrapper( Channels