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From "Paulex Yang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HARMONY-3789) [classlib][security]Diffie-Hellman KeyPairGenerator hangs on generating public/private keys
Date Mon, 30 Apr 2007 16:27:15 GMT

     [ https://issues.apache.org/jira/browse/HARMONY-3789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Paulex Yang updated HARMONY-3789:
---------------------------------

    Summary: [classlib][security]Diffie-Hellman KeyPairGenerator hangs on generating public/private
keys  (was: Diffie-Hellman KeyPairGenerator hangs on generating public/private keys)

> [classlib][security]Diffie-Hellman KeyPairGenerator hangs on generating public/private
keys
> -------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-3789
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3789
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>         Environment: linux-ia32, win-ia32
>            Reporter: Sergey Dmitriev
>
> Diffie-Hellman KeyPairGenerator hangs on generating public/private
> pair of keys (at least it takes more than 5 minutes of 100% CPU load,
> I pressed Ctrl-C). On JRockit it takes about couple of seconds on same
> machine.
> ] boy@moon ~
> ] time java -showversion keypair
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-linux-ia32, R25.0.0-75, GC: System
optimized over throughput (initial strategy singleparpar))
>  
> kpg    : java.security.KeyPairGenerator$Delegate@80d0bd8
> keypair: java.security.KeyPair@80d2c33
>  
> real    0m2.845s
> user    0m1.854s
> sys     0m0.178s
> ] boy@moon ~
> ] time ~/jre2/bin/java -showversion keypair
> Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or
its licensors, as applicable.
> java version "1.5.0" 
> pre-alpha : not complete or compatible
> svn = r532358, (Apr 25 2007), Linux/ia32/gcc 3.3.3, release build
> http://incubator.apache.org/harmony
> kpg    : org.bouncycastle.jce.provider.JDKKeyPairGenerator$DH@128
> ^C
>  
> real    5m17.690s
> user    5m16.204s
> sys     0m0.485s
> ] boy@moon ~
> ] cat keypair.java 
> import java.security.*;
>  
> public class keypair {
>     public static void main(String args[]) throws Exception {
>         KeyPairGenerator kpg = KeyPairGenerator.getInstance("DH");
>         System.out.println("kpg    : " + kpg);
>         System.out.println("keypair: " + kpg.genKeyPair());
>     }
> }

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