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From: Gary Gregory <ggregory@seagullsw.com>
To: 'Jakarta Commons Users List' <commons-user@jakarta.apache.org>
Subject: RE: [lang][codec] DigestUtils?
Date: Wed, 1 Oct 2003 13:44:46 -0400 
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If we add such a thing to Codec, I would suggest a class hierarchy like:

Digest (Abstract)
   Md5Digest 
   ShaDigest

gg

> -----Original Message-----
> From: Henri Yandell [mailto:bayard@generationjava.com]
> Sent: Wednesday, October 01, 2003 10:33
> To: Jakarta Commons Users List
> Subject: Re: [lang][codec] DigestUtils?
> 
> 
> I've got such a thing myself:
> 
> http://www.osjava.org/genjava-
> core/apidocs/com/generationjava/security/Securer.html
> 
> and do believe it's a good thing.
> 
> However it's not within Lang's scope. Codec already has the other half the
> equation [hex representations] so possibly this could fall withing Codec's
> realm.
> 
> Hen
> 
> On Wed, 1 Oct 2003, Dave Dribin wrote:
> 
> > Would there be interest in a DigestUtils class that simplifies using
> > java.security.MessageDigest objects?  Personally, I find it a huge
> > pain to do a simple MD5 digest.  Also, it's often necessary to
> > get the hex representation of the digest.  For starters, I would
> > propose the following API:
> >
> >     public static String md5hex(String data);
> >     public static String md5hex(bytes[] data);
> >
> >     public static byte[] md5(String data);
> >     public static byte[] md5(bytes[] data);
> >
> > There could be similar methods for SHA digests.  I already have a
> > non-polished implementation that I would be willing to submit (after
> > polishing).
> >
> > -Dave
> >
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