Math 541 Home Work 6

Topics: Ringsof fractions, The Chinese Remainder Theorem.

HOMEWORK ASSIGNMENT 6

1. Reading: Read section 7.5-7.6.
2. Write up and hand in
   
   • Problems from the book:
     • 7.5, #4.
     • 7.6, #4, 7.
   • Let p = 127, q = 131. Using the public-key cryprography method described in class, encrypt the message "541" (the course number), and then find all possible decryptions of the resulting encrypted message. Make explicit what the public-key is, and how you arrive at your answers.