The vc++ implementation des algorithm can be completed by unpacking.

sec
...\Debug
...\DES.cpp
...\DES.h
...\des_function.h
...\diaobiao_function.h
...\lass_Enc.cpp
...\lass_Enc.h
...\MainFrm.cpp
...\MainFrm.h
...\playfair_function.h
...\ReadMe.txt
...\res

...\...\sec.rc2

...\resource.h
...\sec.aps
...\sec.clw
...\sec.cpp
...\sec.dsp
...\sec.dsw
...\sec.h
...\sec.ncb
...\sec.opt
...\sec.plg
...\sec.rc
...\secDoc.cpp
...\secDoc.h
...\secView.cpp
...\secView.h
...\StdAfx.cpp
...\StdAfx.h

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