Except explicit open source licence (indicated Creative Commons / free), the 'Luhn Number Checksum' algorithm, the applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, breaker, translator), or the 'Luhn Number Checksum' functions (calculate, convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (Python, Java, PHP, C#, Javascript, Matlab, etc.) and all data download, script, or API access for 'Luhn Number Checksum' are not public, same for offline use on PC, mobile, tablet, iPhone or Android app! Ask a new question Source codeĭCode retains ownership of the 'Luhn Number Checksum' source code.
No, in the magnetic strip is the information of the credit card completed by a different checksum control: the Longitudinal redundancy check.
