spec: re-organize headlines
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@ -24,9 +24,7 @@ in the network besides the SIM is the HLR/HSS, therefore it should be possible
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even for a Mobile Virtual Network Operator (MVNO) to deploy this privacy
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even for a Mobile Virtual Network Operator (MVNO) to deploy this privacy
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enhancement.
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enhancement.
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== Location Updating
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== Summary of Existing Location Updating Procedures in RAN and CN
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=== Regular
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The SIM is provisioned with the IMSI (3GPP TS 23.008 section 2.1.9) and
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The SIM is provisioned with the IMSI (3GPP TS 23.008 section 2.1.9) and
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cryptographic keys, that it uses to authenticate with the network. In the
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cryptographic keys, that it uses to authenticate with the network. In the
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@ -106,31 +104,27 @@ msc {
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ME <= BTS [label="Location Updating Accept"];
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ME <= BTS [label="Location Updating Accept"];
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ME => BTS [label="TMSI Reallocation Complete"];
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ME => BTS [label="TMSI Reallocation Complete"];
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BTS => BSC [label="TMSI Reallocation Complete"];
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BTS => BSC [label="TMSI Reallocation Complete"];
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BSC => MSC [label="TMSI Reallocation Complete"];
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}
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}
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----
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----
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=== With IMSI Pseudonymization
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==== SIM Provisioning
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== Required Changes
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=== SIM Provisioning
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=== Successful Location Update With Pseudonymous IMSI
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=== Next Pseudonymous IMSI Arrives Via SMS
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==== Successful Location Update With Pseudonymous IMSI
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== Error Scenarios
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=== Next Pseudonymous IMSI SMS is Lost
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=== SMS Arrives Late
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==== Next Pseudonymous IMSI Arrives Via SMS
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== Reference Implementation with Source Code
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==== Error Handling
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===== SMS is Lost
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===== SMS Arrives Late
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== Implementation Notes
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=== Source Code for Reference Implementation
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=== ATT = 0 required
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=== Warning the User if the IMSI Does Not Change
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== Recommendations for Real-World Implementations
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=== ATT = 0
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=== End to End Encryption of SMS
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=== End to End Encryption of SMS
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=== Warning the User if the IMSI Does Not Change
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=== User-configurable Minimum Duration Between IMSI Changes
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=== User-configurable Minimum Duration Between IMSI Changes
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<<<
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include::./common/chapters/gfdl.adoc[]
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