Damm Class

Implementation of the Damm decimal check digit algorithm. See Damm algorithm.

Inheritance Hierarchy

SystemObject
Orthogonal.Common.BasicDamm

Namespace: Orthogonal.Common.Basic
Assembly: Orthogonal.Common.Basic (in Orthogonal.Common.Basic.dll) Version: 3.2.5

Syntax

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public static class Damm

The Damm type exposes the following members.

Methods

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

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Remarks

Note that unlike the Verhoeff algorithm, leading zeroes do not affect the Damm check digit. So for example 1 -> 13, 01 -> 013, 001 -> 0013. This behaviour may make Verhoeff preferable to Damm in general usage.

Reference

Orthogonal.Common.Basic Namespace