Here's a somewhat interesting link to an eweek article that discusses Apple's use of encryption to protect some of its OS X binaries:,1895,2050875,00.asp

Of course, encrypting binaries isn't anything new, but it's interesting (IMHO) to see how it's being used in a real OS. The article cites speculation as to whether Apple uses encryption for anti-piracy or anti-reverse-engineering.

Another interesting side topic (though not mentioned in this article) is code obfuscation, which is being increasingly used for both purposes as well. Course, some coders have been inadvertently doing code obfuscation for years. ;-\


Kenneth R. van Wyk
KRvW Associates, LLC

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