-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Jonathan S. Shapiro wrote: > On Mon, 2006-05-22 at 15:56 +0200, Tom Bachmann wrote: >> -----BEGIN PGP SIGNED MESSAGE----- >> Hash: SHA1 >> >> Jonathan S. Shapiro wrote: >>> The program can check the type of its bank, and possibly decline >>> to run. >>> >> Just a minor detail, but I believe it cannot. Because if it runs on a >> transparent bank, the test could have been forged. > > I do not believe so. The transparency of the bank is completely > orthogonal to whether the bank can be authenticated as a particular type > of bank. >
Yes, of course. But if I have access to the programs memory, I can patch the test if(opaque_bank(my_bank)) go_on();else abort(); to if(true) ... - -- - -ness- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux) iD8DBQFEcc5wvD/ijq9JWhsRAufxAJ4k9+Mw/zaW/8jRzCqz1xfVJDq3LgCfWvde kPSMz1Ycaf30Eb58VPfbK7A= =Z3fr -----END PGP SIGNATURE----- _______________________________________________ L4-hurd mailing list [email protected] http://lists.gnu.org/mailman/listinfo/l4-hurd
