security - Embed secure layer into .EXE using C++ -


i started project friend of me , wanted create security application windows using c++. decided create program "lock" executable.

we found useful if send program else, store safely on usb/disk , learn more executables. program imbed 'host' executable , encrypt programs binary. then, when program launched, our imbedded program asks password , unlocks/decrypts without need of original program, unlock on computer without needing original program.

here question: "how embed security layer existing program?" , "is possible?".

also, if such program exists, can possibly find it?

thanks in advance!


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