Sure, but in this case we have a credit card number summed with a 3-4 digit number (which you don’t have to guess the length bc of the first digits of the processor identificatoon). You can try every permutation of 3-4 digit number taken out, and eliminate all the ones that don’t have a valid checksum
Sure, but in this case we have a credit card number summed with a 3-4 digit number (which you don’t have to guess the length bc of the first digits of the processor identificatoon). You can try every permutation of 3-4 digit number taken out, and eliminate all the ones that don’t have a valid checksum