TS 31.112
Universal Subscriber Identity Module Application Toolkit (USAT) interpreter
architecture description

V8.0.0 (PDF) 2009/02 20 p.

V7.0.0 2007/06 20 p.

V6.0.0 2005/01 20 p.

V5.2.0 2002/06 20 p.

full Table of Contents for TS 31.112 Word version: 8.0.0

Scope p. 5

References p. 5

Definitions and abbreviations p. 5

3.1	Definitions p. 5
3.2	Abbreviations p. 6

Main concept p. 6

4.1

USAT Interpreter system definition p. 6

4.2

Role model p. 7

4.3

USAT Interpreter System Architecture p. 8

4.4

Protocol layers p. 9

Security functionality in the USAT Interpreter System p. 10

5.1

Transport Layer Security p. 11

5.2

End-to-end Security p. 11

5.2.1	Symmetric Security p. 12
5.2.2	Asymmetric Security p. 12

Modes of Operation p. 12

6.1	User Triggered Transaction Flow - Pull mode p. 12
6.2	Network Triggered Transaction Flow - Push mode p. 15
6.3	USAT Interpreter triggered transaction flow - Post mode p. 16
6.4	Administrative mode p. 16

Change History p. 18