高级加密标准AES的FPGA实现，支持128，256密钥长度格式-Advanced Encryption Standard AES, FPGA implementation to support 128,256 key length format

code VHDL for Advanced Encryption Standard

Advanced Encryption Standard

We present an efficient hardware architecture design & implementation of Advanced Encryption Standard AES Rijndael cryptosystem. The AES algorithm defined by the National Institute of Standard and Technology NIST of United States has been widely