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https://issues.apache.org/jira/browse/MYNEWT-751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Christopher Collins updated MYNEWT-751:
---------------------------------------
    Description: 
(Pull request: https://github.com/apache/incubator-mynewt-core/pull/279)

The BLE host needs a way to handle the case where a security store write fails 
because the maximum number of entries have already been written.  Currently, 
the host simply fails to persist the record and returns an error code.

I propose the following behavior in such a scenario:

# Host checks that there is sufficient storage for a bond before it starts a 
pairing operation.  Any currently-active pairing procedures should be included 
in the total number of bonds.
# If there is insufficient space, host notifies application of the issue via a 
callback.
# The callback would return an error code indicating which of the following 
behaviors to perform:
## Reject the pairing request.
## Proceed with the pairing operation (presumably the application would delete 
a security record to make room before returning from the callback).

  was:
The BLE host needs a way to handle the case where a security store write fails 
because the maximum number of entries have already been written.  Currently, 
the host simply fails to persist the record and returns an error code.

I propose the following behavior in such a scenario:

# Host checks that there is sufficient storage for a bond before it starts a 
pairing operation.  Any currently-active pairing procedures should be included 
in the total number of bonds.
# If there is insufficient space, host notifies application of the issue via a 
callback.
# The callback would return an error code indicating which of the following 
behaviors to perform:
## Reject the pairing request.
## Proceed with the pairing operation (presumably the application would delete 
a security record to make room before returning from the callback).


> BLE Host - Policy for SM key overflow
> -------------------------------------
>
>                 Key: MYNEWT-751
>                 URL: https://issues.apache.org/jira/browse/MYNEWT-751
>             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/279)
> The BLE host needs a way to handle the case where a security store write 
> fails because the maximum number of entries have already been written.  
> Currently, the host simply fails to persist the record and returns an error 
> code.
> I propose the following behavior in such a scenario:
> # Host checks that there is sufficient storage for a bond before it starts a 
> pairing operation.  Any currently-active pairing procedures should be 
> included in the total number of bonds.
> # If there is insufficient space, host notifies application of the issue via 
> a callback.
> # The callback would return an error code indicating which of the following 
> behaviors to perform:
> ## Reject the pairing request.
> ## Proceed with the pairing operation (presumably the application would 
> delete a security record to make room before returning from the callback).



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