cellular-infrastructure
/
imsi-pseudo
mirror of https://gerrit.osmocom.org/imsi-pseudo
9
0
Fork 0
Code Issues Releases Wiki Activity

spec: intro: mention 5G SUCI

This commit is contained in:
Oliver Smith 2020-04-15 10:29:21 +02:00
parent a281464e6c
commit efe5c98b77
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
docs/imsi-pseudo-spec.adoc
View File

@ -18,6 +18,12 @@ their IMSI by imitating a Base Transceiver Station (BTS). IMSI catchers have
become small and affordable, even criminals actors without much budget can use
them to track anybody with a mobile phone.
5G addresses this problem with the Subscriber Concealed Identifier (SUCI),
which uses public-key cryptography to ensure that the permanent subscriber
identity can only be read by the home network (3GPP TS 33.501, Section 6.12.2).
A comparable, but different approach to conceal the IMSI for 2G, 3G and 4G is
provided in this specification.
=== Summary of Proposed Solution
The solution presented in this document is to periodically change the IMSI of