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From Seonyoung Park <render...@gmail.com>
Subject HDFS en/decryption module
Date Mon, 02 Sep 2013 01:24:34 GMT
Dear all

I have implemented a HDFS en/decryption module using JCA(Java Cryptography
Architecture) to easily develop cryptographic module.
You can easily understand my code because it is implemented based on the

The en/decryption module are performed on a client side due to lack of
multiple HDFS writing.
Also the decryption module can be performed by multiple HDFS tasktrackers
in parallel.
That is, every block is processed by a map task.

The code is located at:

More detailed information can be found here:

There are no unit tests currently implemented, but I can provide them in
the near future if necessary.

I know that there are similar approach for HDFS encryption such as
HADOOP-9331 <https://issues.apache.org/jira/browse/hadoop-9331>.
If possible, I want to contribute to it after I understand the code

Best regards,

SY Park.

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