Damm algorithm: Difference between revisions

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Weaknesses: Not being widely used is not a weakness in an algorithm.
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===Weaknesses===
 
Since prepending leading zeros does not affect the check digit,<ref name="fenwick2014" />, variable length codes should not be verified together since, e.g., 0, 01, and 001, etc. produce the same check digit. However, all checksum algorithms are vulnerable to this.
 
== Design ==