NPKCrypt the SDK, many games have been added to NP protection, QQ also have NP protection, there are many examples of using the SDK.

Packet : 105230343npkcrypt_sdk_2006.05.03.zip filelist
bin/KeyCryptVCGetWindowEditText.exe
bin/KeyCryptVCParenthwndMsg.exe
bin/KeyCryptVCSecOpt.exe
bin/npkcrypt.dll
bin/npkcrypt.lib
bin/npkcrypt.sys
bin/npkcrypt.vxd
bin/npkcusb.sys
bin/npkpdb.dll
doc/KeyCrypt SDK.pdf
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.aps
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.clw
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.cpp
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.dsp
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.dsw
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.h
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.ncb
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.opt
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.plg
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditText.rc
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditTextDlg.cpp
example/KeyCryptVCGetWindowEditText/KeyCryptVCGetWindowEditTextDlg.h
example/KeyCryptVCGetWindowEditText/npkcrypt.h
example/KeyCryptVCGetWindowEditText/npkcrypt.lib
example/KeyCryptVCGetWindowEditText/ReadMe.txt
example/KeyCryptVCGetWindowEditText/resource.h
example/KeyCryptVCGetWindowEditText/res/KeyCryptVCGetWindowEditText.ico
example/KeyCryptVCGetWindowEditText/res/KeyCryptVCGetWindowEditText.rc2
example/KeyCryptVCGetWindowEditText/StdAfx.cpp
example/KeyCryptVCGetWindowEditText/StdAfx.h
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.aps
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.clw
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.cpp
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.dsp
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.dsw
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.h
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.ncb
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.opt
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.plg
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsg.rc
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsgDlg.cpp
example/KeyCryptVCParenthwndMsg/KeyCryptVCParenthwndMsgDlg.h
example/KeyCryptVCParenthwndMsg/npkcrypt.h
example/KeyCryptVCParenthwndMsg/npkcrypt.lib
example/KeyCryptVCParenthwndMsg/ReadMe.txt
example/KeyCryptVCParenthwndMsg/resource.h
example/KeyCryptVCParenthwndMsg/res/KeyCryptVCParenthwndMsg.ico
example/KeyCryptVCParenthwndMsg/res/KeyCryptVCParenthwndMsg.rc2
example/KeyCryptVCParenthwndMsg/StdAfx.cpp
example/KeyCryptVCParenthwndMsg/StdAfx.h
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.aps
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.clw
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.cpp
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.dsp
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.dsw
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.h
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.ncb
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.opt
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.plg
example/KeyCryptVCSecOpt/KeyCryptVCSecOpt.rc
example/KeyCryptVCSecOpt/KeyCryptVCSecOptDlg.cpp
example/KeyCryptVCSecOpt/KeyCryptVCSecOptDlg.h
example/KeyCryptVCSecOpt/npkcrypt.h
example/KeyCryptVCSecOpt/ReadMe.txt
example/KeyCryptVCSecOpt/resource.h
example/KeyCryptVCSecOpt/res/KeyCryptVCSecOpt.ico
example/KeyCryptVCSecOpt/res/KeyCryptVCSecOpt.rc2
example/KeyCryptVCSecOpt/StdAfx.cpp
example/KeyCryptVCSecOpt/StdAfx.h
inc/npkcrypt.h
lib/npkcrypt.dll
lib/npkcrypt.lib
lib/npkcrypt.sys
lib/npkcrypt.vxd
lib/npkcusb.sys
lib/npkpdb.dll

• We are an exchange download platform that only provides communication channels. The downloaded content comes from the internet. Except for download issues, please Google on your own.
• The downloaded content is provided for members to upload. If it unintentionally infringes on your copyright, please contact us.
• Please use Winrar for decompression tools
• If download fail, Try it againg or Feedback to us.
• If downloaded content did not match the introduction, Feedback to us，Confirm and will be refund.
• Before downloading, you can inquire through the uploaded person information

Nothing．