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BS 6541:1985

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Specification for check character systems for use in information interchange, and guidance on choice and methods of application

Available format(s)

Hardcopy , PDF

Superseded date

03-21-2003

Language(s)

English

Published date

02-28-1985

National foreword
Committees responsible
Specification
0 Introduction
1 Scope and field of application
Section one: General
2 Definitions
3 Types of systems
4 Compliance and designation
Section two: Pure systems
5 Specification of pure systems
6 Computational methods for pure systems with one check
   character
7 Computational methods for pure systems with two check
   characters
Section three: Hybrid systems
8 Specification for hybrid systems
9 Computational method for hybrid systems
Annexes
A Criteria for the selection of check character systems
   for applications
B Check character systems for other alphabets
Tables
1 Pure systems
2 Hybrid systems
3 Values assigned to characters
4 Pure system weights
5 Summary of criteria for selection of systems

Describes 8 check character systems capable of protecting strings against errors that occur when people copy or key data; includes conformance requirements for products described as generating check characters or checking strings using those systems; includes guidance on selection of check character systems for application. Excludes systems designed specifically to permit both error detection and automatic correction, to detect fraud, to check strings interchanged only between machines.

Committee
IST/40
DocumentType
Standard
Pages
20
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO/IEC 7064:2003 Identical

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US$170.10
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