ANSI X9.17 Pseudo Random Number Generator (Lottery App)
Required skills: Java
ANSI X9.17 Pseudo Random Lottery generator.
READ ME file for Cryptography Project.
Project: ANSI X9.17 Pseudorandom Number Generator
Programming Language used for implementation: Java
Platform: Windows (need to have java installed on machine)
NOTE : You can click on the link below to get some idea how the application should
be somewhat like. But we need to have it different than this one.
1. Firstly , we need the user to choose lucky numbers and then compare with
the ANSI X9.17 random numbers generator. If the users numbers match,
then there is a lotto won.
2. Secondly, the link doesnot generate the random numbers all the time, so
every number in a lotto should be unique.
3. The figure below shows the steps in ANSI X9.17 . It uses Triple DES ,
encryption decryption.
4. I have attached some codes for des, triple des for reference.
5. We need to make a GUI application, i.e. a Java applet that runs the
application using the functionality of Des n random number generator. You
will get some idea from the application link.
Please make sure that the application looks different from the one given in the link
because that has already been submitted.
I hope the details below will help you out.
I have also attached the slides for description of DES and ANSI X9.17 .
Link: http://puzzle.mcs.csueastbay.edu/~cs41111/cryptography/
TicketNumberGeneration.html
(First click Generate to get Ri and than click on Buttons CA Lottery and Mega Lottery.
Every time you click on Generate you will get different values. To get back I-Ri and I-
Vi+1, click Decrypt Ri and Vi+1 )
As the diagram shown above states various inputs and outputs of EDE (3-DES).
There are two implementation files in java:
1) cryptoApplet.java (for Applet used in GUI)
2) Des.java (performs encryption and decryption)
The compiled versions of above java files , cryptoApplet.class and Des.class are kept on
server with the applet embedded into HTML file TicketNumberGeneration.html.
When you click the link the applet starts and shows the following things:
I-Ri (Input to EDE(2))
Ri (Output of EDE(2))
I-Vi+1(Input to EDE(3))
Vi+1 (Output of EDE(3))
(They are in hexadecimal form, values appear when you click button Generate)
Lottery Numbers: (Ticket number and Mega Number for each in decimal form using
Ri)
CA Lottery: Ticket number of 5 unique digits between 1 to 50, one mega number
Mega Lottery: Ticket number of 5 unique digits between 1 to 42, one mega number
between 1 to 15
Ø Input DTi is Date and time string which is generated in the program itself by
method getCurrentDateTime() (varies according to date and time)
Keys K1, K2 are same for each EDE:
K1= AABB09182736CCDD (hexadecimal form)
K2= A1B203182736CCDD
Vi = initially all 64 bit are set to 0 and for next time, i.e. when you click Generate again,
Vi = Vi+1.
READ ME file for Cryptography Project.
Project: ANSI X9.17 Pseudorandom Number Generator
Programming Language used for implementation: Java
Platform: Windows (need to have java installed on machine)
NOTE : You can click on the link below to get some idea how the application should
be somewhat like. But we need to have it different than this one.
1. Firstly , we need the user to choose lucky numbers and then compare with
the ANSI X9.17 random numbers generator. If the users numbers match,
then there is a lotto won.
2. Secondly, the link doesnot generate the random numbers all the time, so
every number in a lotto should be unique.
3. The figure below shows the steps in ANSI X9.17 . It uses Triple DES ,
encryption decryption.
4. I have attached some codes for des, triple des for reference.
5. We need to make a GUI application, i.e. a Java applet that runs the
application using the functionality of Des n random number generator. You
will get some idea from the application link.
Please make sure that the application looks different from the one given in the link
because that has already been submitted.
I hope the details below will help you out.
I have also attached the slides for description of DES and ANSI X9.17 .
Link: http://puzzle.mcs.csueastbay.edu/~cs41111/cryptography/
TicketNumberGeneration.html
(First click Generate to get Ri and than click on Buttons CA Lottery and Mega Lottery.
Every time you click on Generate you will get different values. To get back I-Ri and I-
Vi+1, click Decrypt Ri and Vi+1 )
As the diagram shown above states various inputs and outputs of EDE (3-DES).
There are two implementation files in java:
1) cryptoApplet.java (for Applet used in GUI)
2) Des.java (performs encryption and decryption)
The compiled versions of above java files , cryptoApplet.class and Des.class are kept on
server with the applet embedded into HTML file TicketNumberGeneration.html.
When you click the link the applet starts and shows the following things:
I-Ri (Input to EDE(2))
Ri (Output of EDE(2))
I-Vi+1(Input to EDE(3))
Vi+1 (Output of EDE(3))
(They are in hexadecimal form, values appear when you click button Generate)
Lottery Numbers: (Ticket number and Mega Number for each in decimal form using
Ri)
CA Lottery: Ticket number of 5 unique digits between 1 to 50, one mega number
Mega Lottery: Ticket number of 5 unique digits between 1 to 42, one mega number
between 1 to 15
Ø Input DTi is Date and time string which is generated in the program itself by
method getCurrentDateTime() (varies according to date and time)
Keys K1, K2 are same for each EDE:
K1= AABB09182736CCDD (hexadecimal form)
K2= A1B203182736CCDD
Vi = initially all 64 bit are set to 0 and for next time, i.e. when you click Generate again,
Vi = Vi+1.
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Additional files submitted:
Part+Number+Generator.pdf
thanks
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Additional files submitted:
Part+Number+Generator.pdf
