[GitHub] [mynewt-nimble] jimmo opened a new issue #887: Allow setting non-default IRK

[GitBox <gi...@apache.org>]

jimmo opened a new issue #887:
URL: https://github.com/apache/mynewt-nimble/issues/887


   hi! I'm from the [MicroPython](https://github.com/micropython/micropython) project, where we use NimBLE as our BLE stack (on top of a few different HCI controllers). I've recently been doing some work with pairing & bonding, and seem to be missing something important -- I can't see a way to not use the default IRK ble_hs_pvcy_default_irk.
   
   ble_hs_pvcy_set_our_irk is in a private header (ble_hs_pvcy_priv.h), and even if it wasn't there's no way to avoid it already being called at startup (ble_hs_startup_go calls ble_hs_pvcy_set_our_irk(NULL))
   
   But even if do use ble_hs_pvcy_set_our_irk is in a private header (ble_hs_pvcy_priv.h), and even if it wasn't there's no way to avoid it already being called at startup to re-set it in sync_cb or somewhere, then now all the peer IRK entries loaded from my key store will be thrown away, so I'd have to call ble_hs_misc_restore_irks to re-load them. But that's also in a private header.
   
   I notice in #517 there's a reference to "setting a custom IRK". I'm not sure what the mechanism to set a custom IRK is, but in our case (MicroPython) this should ideally be able to be generated and set at runtime (i.e. not a syscfg option).
   
   How are other NimBLE implementors using a non-default IRK in their devices? Thanks!
   


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