ISO/IEC 7064 is a

standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object th ...

promulgated by the

International Standards Organization The International Organization for Standardization (ISO ) is an international standard development organization composed of representatives from the national standards organizations of member countries. Membership requirements are given in Art ...

(ISO) and

International Electrotechnical Commission The International Electrotechnical Commission (IEC; in French: ''Commission électrotechnique internationale'') is an international standards organization that prepares and publishes international standards for all electrical, electronic and ...

(IEC) that defines algorithms for calculating

check digit A check digit is a form of redundancy check used for error detection on identification numbers, such as bank account numbers, which are used in an application where they will at least sometimes be input manually. It is analogous to a binary parit ...

characters. The checks should be applicable to alphanumeric strings and should be able to detect all single substitution errors, all or nearly all single local transposition errors, all or nearly all circular shift errors, a high proportion of double substitution errors, a high proportion of all other errors.

Standards

* Status: Published - ISO/IEC 7064:2003 Information technology -- Security techniques -- Check character systems * Status: Withdrawn - ISO 7064:1983 Data processing -- Check character systems

Usage

It is referred to by other ISO standards: * International Bank Account Number (IBAN) * International Standard Text Code (ISTC) *

International Standard Name Identifier The International Standard Name Identifier (ISNI) is an identifier system for uniquely identifying the public identities of contributors to media content such as books, television programmes, and newspaper articles. Such an identifier consists of ...

(ISNI) * Legal Entity Identifier (LEI) and by other systems: *

Personal identification number (Croatia) The Personal identification number ( hr, Osobni identifikacijski broj or OIB) is a permanent national identification number of every Croatian citizen and legal persons domiciled in the Republic of Croatia. OIB is determined and assigned by the Ta ...

* Resident Identity Card (

People's Republic of China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...

) *

Global Release Identifier The Global Release Identifier (GRid) is a system to identify releases of digital sound recordings (and other digital data) for electronic distribution. It is designed to be integrated with identification systems deployed by key stakeholders fr ...

ORCID The ORCID (; Open Researcher and Contributor ID) is a nonproprietary alphanumeric code to uniquely identify authors and contributors of scholarly communication as well as ORCID's website and services to look up authors and their bibliographic ...

External links

Official ISO 7064:2003 Standard Documentation
International Organization for Standardization (ISO) Error detection and correction #07064 Checksum algorithms {{Measurement-stub