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编程实现替代加密。
crc_table.c is for reset seed( 0000 )
crc_table_1.c is for reset seed( ffff)
CRC16_D8_m.v is a verilog module of byte paralle crc.
CRC16_D8_m_tb.v is the testbench file of above module.
