Small Group Project 2.3

Small Group Project 2.3 - FourDigitPIN By...

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

View Full Document Right Arrow Icon
 8/29/11 Click to edit Master subtitle style Four Digit PIN By  Sumit Desai Shashidhar Gopathi Koushik Motukuplly
Background image of page 1

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

View Full DocumentRight Arrow Icon
 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 
Background image of page 2
 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
Background image of page 3

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

View Full DocumentRight Arrow Icon
 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
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 9

Small Group Project 2.3 - FourDigitPIN By...

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

View Full Document Right Arrow Icon
Ask a homework question - tutors are online