Course: CS 555
Cryptography
Homework 2
Name: Zehady Abdullah Khan
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
Collaborator:
February 11, 2015
1
Solution to Problem 1
a) Finding the ke
Course: CS 555
Cryptography
Homework 9
Name: Abdullah Khan Zehady (Andy)
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
April 17, 2015
1
Solution to Problem 1
Here n = pq, where the prim
Course: CS 555
Cryptography
Homework 9
Name: Abdullah Khan Zehady (Andy)
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
April 16, 2015
1
Solution to Problem 1
In RSA, the public key is n
Course: CS 555
Cryptography
Homework 7
Name: Abdullah Khan Zehady (Andy)
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
April 3, 2015
1
Solution to Problem 1
Massey-Omura cipher is a var
Course: CS 555
Cryptography
Homework 6
Name: Abdullah Khan Zehady (Andy)
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
March 27, 2015
1
Solution to Problem 1
Reduced Set of Residues(RSR
Course: CS 555
Cryptography
Homework 5
Name: Abdullah Khan Zehady (Andy)
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
Collaborator: Nima
February 27, 2015
1
Solution to Problem 1
We wi
Course: CS 555
Cryptography
Homework 4
Name: Abdullah Khan Zehady (Andy)
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
Collaborator: Nima
February 18, 2015
1
Solution to Problem 1
Formu
Course: CS 555
Cryptography
Homework 3
Name: Abdullah Khan Zehady (Andy)
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
Collaborator: Nima
March 25, 2015
1
Solution to Problem 1
Formulas
Course: CS 555
Cryptography
Homework 2
Name: Zehady Abdullah Khan
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
Collaborator: Nima
February 6, 2015
1
Solution to Problem 1
For 0 i < n,
Course: CS 555
Cryptography
Homework 10
Name: Abdullah Khan Zehady (Andy)
PUID:0027366036
PhD 1st year student,
Department of Computer Science,
Purdue University.
E-mail: azehady@purdue.com
April 24, 2015
1
Solution to Problem 1
Here t = 4, p = 11, K = 7