Encrypted file with WinAPI CryptEncrypt , the Key is exists but forgot the cryptography method

  • Thread starter Thread starter ShayanFiroozi
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ShayanFiroozi

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i have an old unmanaged DLL from the old days of programming in VC++

now i need to use it again , this dll uses a license file which i set up its encryption with WinAPI cryptEncrypt/Decrypt functions , i remember the key , but i do not remember which cryptography method i've used !

unfortunately the source code is lost due to a HDD failure

now i need to use this DLL and need to decrypt its license file

do you guys have any suggestion ?

thanks in advanced

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