02.483GPPSecurity mechanisms for the SIM Application ToolkitStage 1TS
7.1 Authentication or integrity failure
In the case of authentication or integrity failure, the received message shall be discarded. If proof of receipt has been requested, then a Status Code indicating the reason for failure shall be returned to the Sending Entity.
7.2 Sequence and replay detection failure
There are several mechanisms whereby counter value synchronisation can be maintained, or regained if synchronisation is lost If synchronisation cannot be regained, the Receiving Entity shall discard any Secured Packet with an unsynchronised counter value. In addition, if proof of receipt has been requested, then a Status Code indicating the reason for failure shall be returned to the Sending Entity.
7.3 Proof of receipt failure
The Sending Entity shall inform the Sending Application of the failure to deliver the Application Message, indicating the reason for failure.
Annex A (informative):
This annex lists all changes made to the present document since its initial approval by ETSI committee, SMG.
GSM 03.48 approved by SMG plenary 25 (March 98)
Specification version 6.0.0 upgrade to Release 1998 version 7.0.0
Specification version 7.0.0 upgrade to Release 1999 version 8.0.0