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- The CryptSums utility checksums the Mach segments of an application at compile
- time and inserts encrypted checksums into the binary so the application can
- verify at startup that it hasn't been damaged or tampered with.
-
- Once properly installed, it allows you to simply do 'make secure' to create a
- secure version of you application. You'll still be able to do standard 'make'
- and 'make debug' without interference from the checksum test. CryptSums
- provides a simple routine that your application can call at startup/runtime
- to check that the segments in memory still result in the same checksum as the
- file at compile time. You select which Mach segments and sections to verify.
-
- lane@sumex-aim.stanford.edu
-