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ČSN is a protected designation of Czech national technical standards.
Date and time - Representations for information interchange - Part 2: Extensions
Standard published on 1.3.2020
Selected format:Data elements and interchange formats - Information interchange - Representation of dates and times (ISO 8601, 1st edition 1988 and technical corrigendum 1:1991)
WITHDRAWN published on 1.10.1994
Selected format:Banking. Procedures for message encipherment (wholesale). Part 1: General principles
WITHDRAWN published on 1.1.1996
Selected format:Banking. Procedures for message encipherment (wholesale). Part 2: DEA algorithm
WITHDRAWN published on 1.1.1996
Selected format:Banking and related financial services. Sign-on authentation
WITHDRAWN published on 1.2.1996
Selected format:Banking. Approved algorithms for message authentication. Part 1: DEA
WITHDRAWN published on 1.1.1996
Selected format:Banking. Approved algorithmus for message authentication. Part 2: Message authenticator algorithm
WITHDRAWN published on 1.1.1996
Selected format:Banking and related financial services. Requirements for message authentication (retail)
WITHDRAWN published on 1.1.1996
Selected format:Banking. Personal Identification Number management and security. Part 1: PIN protection principles and techniques
WITHDRAWN published on 1.1.1996
Selected format:Banking - Personal Identification Number (PIN) management and security - Part 1: Basic principles and requirements for online PIN handling in ATM and POS systems
WITHDRAWN published on 1.3.2005
Selected format:Latest update: 2025-05-18 (Number of items: 2 200 933)
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