Sending and Receiving Secret Messages

  • Daniel Rosenthal
  • David Rosenthal
  • Peter Rosenthal
Part of the Undergraduate Texts in Mathematics book series (UTM)


We describe the RSA method for sending secret messages. This remarkable method allows a person who wishes to receive messages to announce to the world how messages are to be sent and, nonetheless, be the only person who can understand the messages received. We illustrate the method in this chapter, and prove its validity in the following chapter.

Copyright information

© Springer Nature Switzerland AG 2018

Authors and Affiliations

  • Daniel Rosenthal
    • 1
  • David Rosenthal
    • 2
  • Peter Rosenthal
    • 3
  1. 1.TorontoCanada
  2. 2.Department of Mathematics and Computer ScienceSt. John’s UniversityQueensUSA
  3. 3.Department of MathematicsUniversity of TorontoTorontoCanada

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