Revision 763232b3
Added by osmith about 4 years ago
| docs/imsi-pseudo-spec.adoc | ||
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or Home Subscriber Service (HSS). The next pseudonymous IMSI is sent to the SIM |
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via Short Message Service (SMS), then a SIM applet overwrites the IMSI of the |
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SIM with the new value. The only component that needs to be changed in the |
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network besides the SIM is the HLR/HSS, therefore it should be possible even
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for a Mobile Virtual Network Operator (MVNO) to deploy this privacy |
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network besides the SIM/USIM 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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enhancement. |
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=== Summary of Existing Location Updating Procedures in RAN and CN |
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=== SIM Provisioning |
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IMSI pseudonymization as specified by this document works with SIM and USIM. |
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The HLR is allocating a pseudonymous IMSI for the subscriber. This pseudonymous |
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IMSI is stored as IMSI on the subscriber's SIM instead of the real IMSI. |
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Also available in: Unified diff
spec: mention that this works for SIM and USIM