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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10433) Key Management Server based on KeyProvider API
Date Tue, 29 Apr 2014 22:41:17 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13984918#comment-13984918
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Alejandro Abdelnur commented on HADOOP-10433:
---------------------------------------------

Vinay, KMS uses a KeyProvider as the underlying keystore. A KeyProvider impl supporting RSA/SafeNet
can be plugged in. AFAIK, both RSA and SafeNet have JCE providers with keystore support, thus
getting the JavaKeyProvider to work with them shouldn't be that difficult (I would assume).

> Key Management Server based on KeyProvider API
> ----------------------------------------------
>
>                 Key: HADOOP-10433
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10433
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 3.0.0
>            Reporter: Alejandro Abdelnur
>            Assignee: Alejandro Abdelnur
>         Attachments: HADOOP-10433.patch, HADOOP-10433.patch, HADOOP-10433.patch, HADOOP-10433.patch,
HADOOP-10433.patch, HADOOP-10433.patch, HADOOP-10433.patch, HADOOP-10433.patch, HADOOP-10433.patch,
HADOOP-10433.patch, HadoopKMSDocsv2.pdf, KMS-doc.pdf
>
>
> (from HDFS-6134 proposal)
> Hadoop KMS is the gateway, for Hadoop and Hadoop clients, to the underlying KMS. It provides
an interface that works with existing Hadoop security components (authenticatication, confidentiality).
> Hadoop KMS will be implemented leveraging the work being done in HADOOP-10141 and HADOOP-10177.
> Hadoop KMS will provide an additional implementation of the Hadoop KeyProvider class.
This implementation will be a client-server implementation.
> The client-server protocol will be secure:
> * Kerberos HTTP SPNEGO (authentication)
> * HTTPS for transport (confidentiality and integrity)
> * Hadoop ACLs (authorization)
> The Hadoop KMS implementation will not provide additional ACL to access encrypted files.
For sophisticated access control requirements, HDFS ACLs (HDFS-4685) should be used.
> Basic key administration will be supported by the Hadoop KMS via the, already available,
Hadoop KeyShell command line tool
> There are minor changes that must be done in Hadoop KeyProvider functionality:
> The KeyProvider contract, and the existing implementations, must be thread-safe
> KeyProvider API should have an API to generate the key material internally
> JavaKeyStoreProvider should use, if present, a password provided via configuration
> KeyProvider Option and Metadata should include a label (for easier cross-referencing)
> To avoid overloading the underlying KeyProvider implementation, the Hadoop KMS will cache
keys using a TTL policy.
> Scalability and High Availability of the Hadoop KMS can achieved by running multiple
instances behind a VIP/Load-Balancer. For High Availability, the underlying KeyProvider implementation
used by the Hadoop KMS must be High Available.



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