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A comment on Hans Peter Luhn and the Birth of the Hashing Algorithm. Parent comment

Re:Hans Peter Luhn and the Birth of the Hashing Algorithm by beagle3 on Wednesday January 31, 2018 @03:30PM (#16277276)
Luhn's checksum can discover any single digit error, but there's a stronger checksum algorithm that can also discover any transposition:

https://en.wikipedia.org/wiki/Verhoeff_algorithm

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