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Merge "Clarify ambiguities in securityAlgorithmsUpdated." into main

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Yomna Nasser
2024-01-02 17:18:22 +00:00
committed by Android (Google) Code Review
parent 01a1cb884f 85108745a4
commit 6ee65891d6
1 changed files with 14 additions and 6 deletions
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radio/aidl/android/hardware/radio/network/IRadioNetworkIndication.aidl
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@@ -233,14 +233,22 @@ oneway interface IRadioNetworkIndication {
* Indicates that a new ciphering or integrity algorithm was used for a particular voice,
* signaling, or data connection attempt for a given PLMN and/or access network. Due to
* power concerns, once a connection type has been reported on, follow-up reports about that
* connection type are only generated if there is any change to the previously reported
* connection type are only generated if there is any change to the most-recently reported
* encryption or integrity, or if the value of SecurityAlgorithmUpdate#isUnprotectedEmergency
* changes. Thus the AP is only to be notified when there is new information. List is reset upon
* rebooting thus info about initial connections is always passed to the AP after a reboot.
* List is also reset if the SIM is changed or if there has been a change in the access network.
* changes. Thus the AP is only to be notified when there is new information. A change only in
* cell ID should not trigger an update, as the design is intended to be agnostic to dual
* connectivity ("secondary serving cells").
*
* Note: a change only in cell ID should not trigger an update, as the design is intended to
* be agnostic to dual connectivity ("secondary serving cells").
* Sample scenario to further clarify "most-recently reported":
*
* 1. Modem reports user is connected to a null-ciphered 3G network.
* 2. User then moves and connects to a well-ciphered 5G network, and modem reports this.
* 3. User returns to original location and reconnects to the null-ciphered 3G network. Modem
* should report this as it's different than the most-recently reported data from step (2).
*
* List is reset upon rebooting thus info about initial connections is always passed to the AP
* after a reboot. List is also reset if the SIM is changed or if there has been a change in
* the access network.
*
* @param type Type of radio indication
* @param securityAlgorithmUpdate SecurityAlgorithmUpdate encapsulates details of security