Small Group Project 2.3

# Small Group Project 2.3 - FourDigitPIN By SumitDesai...

This preview shows pages 1–5. Sign up to view the full content.

8/29/11 Click to edit Master subtitle style Four Digit PIN By  Sumit Desai Shashidhar Gopathi Koushik Motukuplly

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
8/29/11 How many 4-digit numeric PINs  q  PIN is used in lot of Network  setting’s as Personal  Identification Number. q Possible number of Combinations in a 4 Digit PIN q  Sum x^n where n is 1 to 4 and x = 10 for digits 0-9.  10^1 + 10^2 + 10^3 + 10^4 = 11110 Number of Combinations q  There are certain number of combinations which are obvious
8/29/11 Obvious Numbers The numbers which would be obvious  are Identical Numbers                                          0000 1111 2222 3333 4444 5555 Consecutive  Numbers forward and  reverse  0123 1234 2345 3456 4567 5678 6789 Or numbers starting with more then one or more zeros

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
8/29/11 Telephone keypad q  In a telephone keypad we can only use 8 Numbers from the  pad since 1 and 0 don’t have any letters on them. q
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 08/29/2011 for the course CSC 607 taught by Professor Dr.pradipp.dey during the Spring '11 term at National.

### Page1 / 9

Small Group Project 2.3 - FourDigitPIN By SumitDesai...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online