Cool_Tools/CyberChef
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Merge branch 'Luhn' of https://github.com/n1073645/CyberChef into n1073645-Luhn

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n1474335 2020-03-12 14:35:40 +00:00
commit 0d7874bac1
2 changed files with 47 additions and 6 deletions
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29
src/core/operations/LuhnChecksum.mjs
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@ -23,18 +23,19 @@ class LuhnChecksum extends Operation {
this.description = "The Luhn algorithm, also known as the modulus 10 or mod 10 algorithm, is a simple checksum formula used to validate a variety of identification numbers, such as credit card numbers, IMEI numbers and Canadian Social Insurance Numbers.";
this.infoURL = "https://wikipedia.org/wiki/Luhn_algorithm";
this.inputType = "string";
this.outputType = "number";
this.outputType = "string";
this.args = [];
}
/**
* @param {string} input
* @param {Object[]} args
* Generates the Luhn Checksum from the input.
*
* @param {string} inputStr
* @returns {number}
*/
run(input, args) {
checksum(inputStr) {
let even = false;
return input.split("").reverse().reduce((acc, elem) => {
return inputStr.split("").reverse().reduce((acc, elem) => {
// Convert element to integer.
let temp = parseInt(elem, 10);
@ -57,6 +58,24 @@ class LuhnChecksum extends Operation {
}, 0) % 10;
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
run(input, args) {
if (!(input)) return "0";
const checkSum = this.checksum(input).toString();
let checkDigit = this.checksum(input+"0");
checkDigit = (checkDigit === 0 ? 0 : (10-checkDigit)).toString();
return "Checksum: " + checkSum + "\n\nCheckdigit: " + checkDigit + "\n\nLuhn Validated String: "+ input + checkDigit;
}
}
export default LuhnChecksum;

24
tests/operations/tests/LuhnChecksum.mjs
View File

@ -11,7 +11,29 @@ TestRegister.addTests([
{
name: "Luhn Checksum on standard data",
input: "35641709012469",
expectedOutput: "7",
expectedOutput: "Checksum: 7\n\nCheckdigit: 0\n\nLuhn Validated String: 356417090124690",
recipeConfig: [
{
op: "Luhn Checksum",
args: []
},
],
},
{
name: "Luhn Checksum on standard data 2",
input: "896101950123440000",
expectedOutput: "Checksum: 5\n\nCheckdigit: 1\n\nLuhn Validated String: 8961019501234400001",
recipeConfig: [
{
op: "Luhn Checksum",
args: []
},
],
},
{
name: "Luhn Checksum on standard data 3",
input: "35726908971331",
expectedOutput: "Checksum: 6\n\nCheckdigit: 7\n\nLuhn Validated String: 357269089713317",
recipeConfig: [
{
op: "Luhn Checksum",