"uncrackable" executables

Douglas R. Floyd dfloyd at runner.utsa.edu
Sun Jul 10 18:41:53 PDT 1994



As to altering MS-DOS executables, the only option that I see
that someone cannot go through is a dongle with the MD5
image signed by your public key burned on the ROM.  The
dongle will be optional, and for user verification that
the program works.  I wonder if one can boot off the dongle...
have it do its tests in rom on applications....?






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