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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10152) Distributed file cipher InputStream and OutputStream which provide 1:1 mapping of plain text data and cipher data.
Date Mon, 09 Dec 2013 12:22:07 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yi Liu updated HADOOP-10152:
----------------------------

    Description: To be easily seek and positioned read distributed file, the length of encrypted
file should be the same as the length of plain file, and the positions have 1:1 mapping. 
So in this JIRA we defines distributed file cipher InputStream(FSDecryptorStream) and OutputStream(FSEncryptorStream).
The distributed file cipher InputStream is seekable and positonedReadable.  This JIRA is different
from HADOOP-10151, the file may be read and written many times and on multiple nodes.

> Distributed file cipher InputStream and OutputStream which provide 1:1 mapping of plain
text data and cipher data.
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-10152
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10152
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: security
>    Affects Versions: 3.0.0
>            Reporter: Yi Liu
>            Assignee: Yi Liu
>             Fix For: 3.0.0
>
>
> To be easily seek and positioned read distributed file, the length of encrypted file
should be the same as the length of plain file, and the positions have 1:1 mapping.  So in
this JIRA we defines distributed file cipher InputStream(FSDecryptorStream) and OutputStream(FSEncryptorStream).
The distributed file cipher InputStream is seekable and positonedReadable.  This JIRA is different
from HADOOP-10151, the file may be read and written many times and on multiple nodes.



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