Software given here is to accompany the textbook: W.H. Tranter,
％ K.S. Shanmugan, T.S. Rappaport, and K.S. Kosbar, Principles of
％ Communication Systems Simulation with Wireless Applications,
％ Prentice Hall PTR, 2004.
替代加密:
A B C D E F G H I J K L M N O P Q R S T U V W 密文
Y Z D M R N H X J L I O Q U W A C B E G F K P 明文
X Y Z
T S V
I HAVE A DREAM！#
密文？？
用ARM編程實現替代加密。
