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Posted to oak-issues@jackrabbit.apache.org by "Thomas Mueller (JIRA)" <ji...@apache.org> on 2017/02/24 10:08:44 UTC

[jira] [Updated] (OAK-5827) Don't use SHA-1 for new DataStore binaries

     [ https://issues.apache.org/jira/browse/OAK-5827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Mueller updated OAK-5827:
--------------------------------
    Attachment: OAK-5827.patch

OAK-5827.patch - patch for Oak.
With this patch, some of the tests in oak-blob-cloud fail, because the old Jackrabbit version is used which still uses SHA-1. So Jackrabbit will have to be changed first, then the dependency changed.

> Don't use SHA-1 for new DataStore binaries
> ------------------------------------------
>
>                 Key: OAK-5827
>                 URL: https://issues.apache.org/jira/browse/OAK-5827
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>            Reporter: Thomas Mueller
>         Attachments: OAK-5827.patch
>
>
> A [collision for SHA-1|https://www.schneier.com/blog/archives/2017/02/sha-1_collision.html] has been published. We still use SHA-1 for the FileDataStore, and I believe the S3 DataStore right now. Given there is a collision, we should switch to a stronger algorithm, for example SHA-256, for new binaries.



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