El numero de seguro social de México se conforma de 11 dígitos en donde el ultimo es el dígito verificador(Checksum), el cual es generado por el algoritmo Luhn.
Nota: para mayores informes consultar la definición del algoritmo en wikipedia: :point_right: https://es.wikipedia.org/wiki/Algoritmo_de_Luhn
| /** | |
| * Recibe un numero de 10 digitos y devuelve el 11vo | |
| * el que corresponde a la suma de validación que a su vez | |
| * se basa del algoritmo del algoritmo de Luhn, mayores informes | |
| * consultar: | |
| * | |
| * https://es.wikipedia.org/wiki/Algoritmo_de_Luhn | |
| */ | |
| const nss_checksum = function(strIn) { | |
| let suma = 0 | |
| for (let i = 0; i<10; i += 1) { | |
| let factor = (i % 2 === 1) ? 2: 1 | |
| const v = parseInt(strIn.charAt(i), 10) * factor | |
| suma += (v>9) ? (1 + v % 10) : v | |
| } | |
| return (suma * 9) % 10 | |
| } | |
| // testing | |
| // print(nss_checksum('7992739871')) # result 3 (ejemplo wikipedia) |
| # Recibe un numero de 10 digitos y devuelve el 11vo | |
| # el que corresponde a la suma de validación que a su vez | |
| # se basa del algoritmo del algoritmo de Luhn, mayores informes | |
| # consultar: | |
| # | |
| # https://es.wikipedia.org/wiki/Algoritmo_de_Luhn | |
| # | |
| def nss_checksum(nss): | |
| suma = 0 | |
| for i in range(10): | |
| factor = 2 if (i % 2 == 1) else 1 | |
| v = int(nss[i]) * factor | |
| suma += (1 + v % 10) if (v >9) else v | |
| return (suma * 9) % 10 | |
| # testing | |
| # print(nss_checksum('7992739871')) # result 3 (ejemplo wikipedia) |
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