Assignments for Crypto
Homework assignments after first exam and tentative upcoming schedule
| Date | Material Discussed | HW Assigned due next class period | Quiz? |
| Mar 13 | EXAM 2 | Sect 4.5(1-5) and find a 4 digit prime and a good base for DH key exchange | |
| Mar 18 | El Gamal Cryptosystem | Sect 4.5(6-10) and read hash article in blackboard | |
| Mar 20 | RSA, part 1 | handout on Euler phi phun | |
| Mar 25 | RSA, part 2 -- fermat's thm | handout on FLT | QUIZ on DH and El GAmal |
| Mar 27 | RSA part 3 | 4.4(2-9) -and- set up your own RSA system. Tell me your public exponent,e, and modulus,n. Encrypt a message to me using base 26 on blocks of 3 letters and using your SECRET exponent,d. That is, for a message,M, tell me CT=M^d mod n (in blocks corresponding to 3 letters each). So tell me e,n, and CT and keep secret d,p,q,phi(n). |
Bonus problems: 4.5(10) and/or write a maple program to do base 26 conversion back and forth for 3 letter blocks. |
| Apr 1 | RSA, digital signatures, factoring | take-home quiz see blackboard | |
| Apr 3 | no class, take home quiz | take-home quiz see blackboard | TAKE-HOME Quiz |
| Apr 8 | more factoring | handout see blackboard | |
| Apr 10 | summary and review | study for final! | |
| Apr 16 | Final Exam at 3pm |