Cryptography Part I

kitlunchroomAI and Robotics

Nov 21, 2013 (3 years and 4 months ago)

59 views

Cryptography Part I

Name:






1.


Pick a message that you would like to send to your
“trade partner”
.




2.


Using the numbers below, write your message in a matrix with 2 rows. Use 0’s for
spaces or at the end to fill in an empty space.








3.


Pick a
2x2 encoding matrix.



4.


Encode your matrix (using your calculator) by multiplying your encoding matrix by your
message matrix.






Crypt
ography Part II

Name:






Information for your
trade partner
.



My encoding matrix was:




My encoded matrix is:






5.


Trade this
sheet

with someone. Remove the first page before you do!


Name of trade partner:








6.

Decode the message above using matrices. The original matrix was:







7.


This means the message was:





Turn in your first page with this sheet to
the sub! Staple them together.