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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Information technology—Security techniques—Entity authentication—Part 2:Mechanisms using symmetric encipherment algorithm
WITHDRAWN published on 19.6.2008
Selected format:Information technology—Security techniques—Entity authentication—Part 2: Mechanisms using symmetric encipherment algorithms
WITHDRAWN published on 29.12.2017
Selected format:Information technology—Security techniques—Entity authentication—Part 3:Mechanisms using asymmetric signature techniques
WITHDRAWN published on 8.12.1998
Selected format:Information technology—Security techniques—Entity authentication—Part 3:Mechanisms using digital signature techniques
WITHDRAWN published on 19.6.2008
Selected format:Information technology—Security techniques—Entity authentication—Part 3:Mechanisms using digital signature techniques
WITHDRAWN published on 25.4.2016
Selected format:Information technology—Security techniques—Entity authentication—Part 4:Mechanisms using a cryptographic check function
WITHDRAWN published on 11.11.1999
Selected format:Information technology—Security techniques—Entity authentication—Part 4:Mechanisms using a cryptographic check function
WITHDRAWN published on 19.6.2008
Selected format:General specification for radio transceiver employing F3E emission used in the mobile services
WITHDRAWN published on 13.12.1995
Selected format:Environmental requirements and test methods for radio transceiver employing F3E emission used in the mobile services
WITHDRAWN published on 13.12.1995
Selected format:Reliability requirements and test methods for radio transceiver employing F3E emission used in the mobile services
WITHDRAWN published on 13.12.1995
Selected format:Latest update: 2025-11-11 (Number of items: 2 243 547)
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