Verhoeff Class

Implementation of the Verhoeff decimal check digit algorithm.

Inheritance Hierarchy

System.Object
Orthogonal.Common.Basic.Verhoeff

Namespace: Orthogonal.Common.Basic
Assembly: Orthogonal.Common.Basic (in Orthogonal.Common.Basic.dll) Version: 2025-03-15 14:42 GMT+11

Syntax

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public static class Verhoeff

The Verhoeff type exposes the following members.

Methods

	Name	Description
	CalculateCheckSum	Calculates the Verhoeff checksum digit for a string of numeric characters.
	GenerateCheckSum	Generates a Verhoeff checksum digit suffixed string.
	ValidateCheckSum	Validates a string of numeric characters has a valid Verhoeff checksum digit suffix character.

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Remarks

Note that unlike the Damm algorithm, leading zeroes do affect the Verhoeff check digit. So for example 1 -> 15, 01 -> 010, 001 -> 0018. This behaviour may make Verhoeff preferable to Damm in general usage.

Reference

Orthogonal.Common.Basic Namespace