译：GB/T 17904.1-1999 ISDN user-network interface data link layer specification and conformance testing method—Part 1:User-network interface data link layer specification

译：GB/T 17903.1-1999 Information technology—Security techniques—Non-repudiation—Part 1:General

译：GB/T 15843.1-1999 Information technology—Security techniques—Entity authentication—Part 1:General

译：GB/T 17904.2-1999 ISDN user-network interface data link layer specification and conformance testing method—Part 2:Data link layer protocol conformance testing method

译：GB/T 17900-1999 Security technical requirements for proxy server

译：GB/T 15843.4-1999 Information technology—Security techniques—Entity authentication—Part 4:Mechanisms using a cryptographic check function

译：GB/T 14805.7-1999 Electronic data interchange for administration,commerce and transport(EDIFACT)—Application level syntax rules(Syntax version number:4)—Part 7:Security rules for batch EDI(Confidentiality)

译：GB/T 17902.1-1999 Information technology—Security techniques—Digital signature with appendix—Part 1:General

译：GB/T 17903.3-1999 Information technology—Security techniques—Non-repudiation—Part 3:Mechanisms using asymmetric techniques

译：GB/T 17901.1-1999 Information technology—Security techniques—Key management—Part 1:Framework