![]() |
ECE4253 Digital Communications |
Department of Electrical and Computer Engineering - University of New Brunswick, Fredericton, NB, Canada | |
This particular algorithm is part of a standard (ISO-7812-1) used worldwide for various credit cards. (Specific Applications)
Checking [4563 9601 2200 1999] 4 5 6 3 9 6 0 1 2 2 0 0 1 9 9 9 x2 x1 x2 x1 x2 x1 x2 x1 x2 x1 x2 x1 x2 x1 x2 x1 -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 8 5 12 3 18 6 0 1 4 2 0 0 2 9 18 9 8 + 5 + 3 + 3 + 9 + 6 + 0 + 1 + 4 + 2 + 0 + 0 + 2 + 9 + 9 + 9 = 70 |
There is a one-in-ten chance that a totally random number will pass this simple validity test.
2025-02-10 17:47:18 AST
Last Updated: 2015-03-05 |
Richard Tervo [ tervo@unb.ca ] | Back to the course homepage... |