Інформаційні технології. Методи захисту. Неспростовність. Частина 3. Механізми з використанням асиметричних методів

1 2 З? 4 5 6 7 8 9 10

1 2 4

—? Part 1: General
—? Part 2: Mechanisms using symmetric techniques
—? Part 3: Mechanisms using asymmetric techniques
—? —? —?

INFORMATION TECHNOLOGY SECURITY TECHNIQUES. NON-REPUDIATION Part 1. Mechanisms using asymmetric techniques
1 —? —? —? —? 2 ISO 7498-2:1989 Information processing systems — Open Systems Interconnection — Basic Reference Model — Part 2: Security Architecture
ISO/IEC 9594-8:1995 Information technology — Open Systems Interconnection — The Directory: Authentication framework
ISO/IEC 9796 (all parts) Information technology — Digital signature schemes giving message recovery
ISO/IEC 10181-1:1996 Information technology — Open Systems Interconnection — Security frameworks for open systems — Part 1: Overview
ISO/IEC 10181-4:1997 Information technology — Open Systems Interconnection — Security frameworks for open systems — Part 4: Non-repudiation framework
ISO/IEC 13888-1:1997 Information technology — Security techniques — Non-repudiation — Part 1: General
ISO/IEC 14888 (all parts) Information technology — Security techniques — Digital signatures with appendix.
ISO 7498-2:1989 ISO/IEC 9594-8:1995 ISO/IEC 9796 ( ISO/IEC 10181-1:1996 ISO/IEC 10181-4:1997 ISO/IEC 13888-1:1997 ISO/IEC 14888 ( 4 Delivery)
NRDT (Non-repudiation of
Delivery Token)
NRO (Non-repudiation of
Origin)
NROT (Non-repudiation of Origin Token)

5 5.1 5.2 5.3 5.4 5.5 5.6 6 —? —? —? —? —? —? 7 —? —? 8

8.1 —? —? —?

NRO token = text! fi Tg Q lmp(m) 8.2 —? —? —? f 2 Tg Q 8.3

— —■? f 3 D Q 8.4 —? —? —? f 4 D Q

9 9.1 а?) Ь?) 9.2 а?) Ь?) с?) d) 10 —? —? 10.1 a) DA b) DA с?)

10.2 DA a) DA b) DA с?) —? —? —? А? .1 а?) R= text text —? —? —? —? Ь?)

a) TSA TST = text II w II S TSA (w),
f TSA (Time Stamping Authority)
Tg Q b) TSA с?) а?) R= text text —? —? —? —? Ь?) а?) Ь?) NT = text f X NA (Notary Authority)
Tg Q с?)

а?) R= text text —? —? —? —? —? Ь?) а?) Ь?) text —? —? —? —? —? 03115,