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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4552) Encryption: Add support for PGP Encryption
Date Mon, 13 Aug 2012 16:52:37 GMT
Benoy Antony created MAPREDUCE-4552:
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             Summary: Encryption:  Add support for PGP Encryption
                 Key: MAPREDUCE-4552
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4552
             Project: Hadoop Map/Reduce
          Issue Type: Sub-task
          Components: security
            Reporter: Benoy Antony
            Assignee: Benoy Antony


Provide support for PGP encryption by implementing Encrypter and Decrypter interfaces defined
in MAPREDUCE-4450.  This can be used by the cluster to protect the job secrets. This also
be used map reduce jobs to encrypt/decrypt data. 

Add PGPCodec as a CompressionCodec  so that encrypted data can be processed transparently
like compressed data . The aliases to the keys can be specified as part of Job. 

Based on PGPCodec, a number of utilities are provided to encrypt, decrypt the data in cluster.
 They include

1.	DistributedSplitter – Split an encrypted file into smaller files.
2.	DistributedEncrypter – encrypt files in a cluster.
3.	DistributedDecrypter – decrypt encrypted files in a cluster.
4.	DistributedRecrypter – decrypt an encrypted file and encrypt it with another key.

Uitlities are added to encrypt/decrypt files in local file system

1.	Genkey - Generate an asymmetric key pair (public and private keys) of a specified strength
2.	Encrypt - Encrypt a file 
3.	Decrypt – Decrypt a file

Added as a contrib project -  hadoop-crypto.


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