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8 lines
381 B
Text
8 lines
381 B
Text
This module calculates the Modulus 10 Double Add Double checksum, also known
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as the LUHN Formula. This algorithm is used to verify credit card numbers and
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Standard & Poor's security identifiers such as CUSIP and CSIN.
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You can find plenty of information about the algorithm by searching the web
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for "modulus 10 double add double".
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WWW: https://metacpan.org/release/Algorithm-LUHN
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