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From sesuncedu <...@git.apache.org>
Subject [GitHub] commons-codec pull request #7: CODEC-224 Add methods to DigestUtils to gener...
Date Tue, 04 Jul 2017 20:37:12 GMT
GitHub user sesuncedu opened a pull request:

    https://github.com/apache/commons-codec/pull/7

    CODEC-224 Add methods to DigestUtils to generate hex from MessageDigests et al. 

    This PR adds methods to DigestUtils to make it easy to generate hexadecimal strings from:

    - MessageDigest, 
    - DigestInputStream,
    - DigestOutputStream.
    
      If the underlying digest supports ```clone()```,  a clone is created before calling
```MessageDigest::digest``` to avoid resetting the state.  If this cannot be done, the original
digest is used.
    
    [Although clone is optional for MessageDigests, it seems to be almost universally supported
(e.g. both the Sun and the IBM  providers implement clone for their concrete digests) ]
    
    Signed-off-by: Simon Spero <sesuncedu@gmail.com>

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sesuncedu/commons-codec CODEC-224

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/commons-codec/pull/7.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #7
    
----
commit e83cea6d26c0a74c4dcca8bc3e04f8ca7a1593b7
Author: Simon Spero <sesuncedu@gmail.com>
Date:   2017-07-04T20:15:28Z

    Add methods to DigestUtils to generate a hexadecimal string from a MessageDigest, a DigestInputStream,
or a DigestOutputStream.  If the underlying digest implementation implements clone, a clone
will be created before extracting the digest to avoid resetting it.
    
    Signed-off-by: Simon Spero <sesuncedu@gmail.com>

----


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