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Posted to common-issues@hadoop.apache.org by "Yi Liu (JIRA)" <ji...@apache.org> on 2014/05/14 07:22:15 UTC

[jira] [Resolved] (HADOOP-10152) Distributed file cipher InputStream and OutputStream which provide 1:1 mapping of plain text data and cipher data.

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

Yi Liu resolved HADOOP-10152.
-----------------------------

    Resolution: Duplicate

> 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
>              Labels: rhino
>             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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