isValidChecksum static method

  1. @visibleForTesting
bool isValidChecksum(
  1. String idNumber
)

Validates the checksum part (Z) of a South African ID number using the Luhn algorithm.

Returns true if the checksum is valid; otherwise, returns false.

Implementation

@visibleForTesting
static bool isValidChecksum(String idNumber) => LuhnUtils.validate(idNumber);