I need to integrate BLE (Bluetooth Low Energy) functionality into an authorization plugin. Specifically, I want to use a beacon to send a notification to the user if the app is not running or has been killed. However, I’ve encountered a significant limitation: Core Bluetooth is not permitted to be used within authorization plugins, whereas the Multipeer Connectivity framework operates without issue which use WiFi. This has led me to a few questions: What are the fundamental differences in entitlements or restrictions between Core Bluetooth and the Multipeer Connectivity(WiFi) framework that could explain why Core Bluetooth is disallowed in authorization plugins? Are there specific technical or security concerns associated with Core Bluetooth that prevent its use in these contexts, while the Multipeer Connectivity framework is allowed? Given that Google’s Nearby Connections API can work within authorization plugins, could there be any similar approaches or best practices for implementing BLE functionality in scenarios involving authorization plugins? For reference, you can check Google’s Nearby Connections API here: Google Nearby Connections - https://developers.google.com/nearby/connections/swift/get-started Any insights or suggestions on how to overcome this limitation or alternative approaches to achieve the desired functionality would be greatly appreciated. Thank you in advance for your help!

I created a custom PAM module following this and It works fine with etc/pam.d/sudo but doesn't work with etc/pam.d/authorization and etc/pam.d/login. sudo # sudo: auth account password session auth include sudo_local auth sufficient /usr/local/Cellar/cpam/1.0.0/lib/security/cpam.so auth sufficient pam_smartcard.so auth required pam_opendirectory.so account required pam_permit.so password required pam_deny.so session required pam_permit.so authorization # authorization: auth account auth sufficient /usr/local/Cellar/cpam/1.0.0/lib/security/cpam.so auth optional pam_krb5.so use_first_pass use_kcminit no_auth_ccache auth optional pam_ntlm.so use_first_pass auth sufficient pam_smartcard.so use_first_pass account required pam_opendirectory.so Is it even allowed to add a custom PAM to \etc\pam.d\login or etc\pam.d\authorization ? Is it possible to create a mechanism with custom logic and replace it with<string>builtin:authenticate,privileged</string> in system.login.console authorization right ? Note: I have also tried moving the .so file to /usr/lib/pam but it failed even after disabling SIP.

I am trying to pass smart card PIN from a custom auth plugin with tag kAuthorizationEnvironmentPassword. I added pam_smartcard.so to login stack (\etc\pam.d\login) but the changes do not take place. # login: auth account password session auth sufficient pam_smartcard.so auth optional pam_krb5.so use_kcminit auth optional pam_ntlm.so try_first_pass auth optional pam_mount.so try_first_pass auth required pam_opendirectory.so try_first_pass account required pam_nologin.so account required pam_opendirectory.so password required pam_opendirectory.so session required pam_launchd.so session required pam_uwtmp.so session optional pam_mount.so What could possible be going wrong in this ? Also is there an API to trigger authorization_ctk from a custom auth plugin to work with smart card ?