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https://issues.apache.org/jira/browse/MYNEWT-750?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16052364#comment-16052364
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ASF subversion and git services commented on MYNEWT-750:
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Commit 9572c52fa2a0c67b6a2a15ec3dca4501fd24a29b in incubator-mynewt-core's
branch refs/heads/master from [~ccollins476]
[ https://gitbox.apache.org/repos/asf?p=incubator-mynewt-core.git;h=9572c52 ]
MYNEWT-750 BLE Host - Persist SC flag for bonds.
> BLE Host - Ignore pairing attempt from already bonded peer
> ----------------------------------------------------------
>
> Key: MYNEWT-750
> URL: https://issues.apache.org/jira/browse/MYNEWT-750
> Project: Mynewt
> Issue Type: Bug
> Security Level: Public(Viewable by anyone)
> Components: Nimble
> Reporter: Christopher Collins
> Assignee: Christopher Collins
> Fix For: v1_1_0_rel
>
>
> (Pull request: https://github.com/apache/incubator-mynewt-core/pull/287)
> If a device is already bonded, the host should not allow the same device to
> pair again. Currently, the host blindly proceeds with the pairing operation.
> This should not be allowed because the second peer could be an imposter
> masquerading as the original.
> I propose the following behavior in such a scenario:
> # Host notifies application of the duplicate pairing attempt via the gap
> event callback. The callback would specify a new event code that
> specifically indicates a duplicate pairing attempt.
> # The gap event callback would return an error code indicating which of the
> following behaviors to perform:
> ## Retry: Return BLE_GAP_REPEAT_PAIRING_RETRY after deleting the conflicting
> bond. The stack will verify the bond has been deleted and continue the
> pairing procedure. If the bond is still present, this event will be reported
> again.
> ## Ignore: Return BLE_GAP_REPEAT_PAIRING_IGNORE. The stack will silently
> ignore the pairing request.
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