blob: 1d1ef85d240d6767ad31429382fc4ca4afeca45f (
plain) (
blame)
1
2
3
4
5
6
7
8
|
This module calculates the Modulus 10 Double Add Double checksum, also known
as the LUHN Formula. This algorithm is used to verify credit card numbers and
Standard & Poor's security identifiers such as CUSIP and CSIN.
You can find plenty of information about the algorithm by searching the web
for "modulus 10 double add double".
WWW: https://metacpan.org/release/Algorithm-LUHN
|
