Subkey Generation in SDES
This applet shows how the subkey generation algorithm of S-DES works to produce two 8-bit subkeys from one 10-bit encryption key.
Click on the applet to begin. The applet may take a minute to load.
Animation engine by
Eric Fikus
, content and animation code modifications by
Jedidiah Crandall
For a good background reading on SDES subkey generation see Chapter 3 of
Cryptography and Network Security: Principles and Practice
by William Stallings
This was created as part of the
Cryptography Module
of NSF Award No. 0113627:
"Increasing Security Expertise in Aviation-oriented Computing Education: A Modular Approach"
, at Embry-Riddle Aeronautical University in Prescott, Arizona.
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Last update: August 1, 2002
