Messages in this thread |  | | Date | Wed, 20 Sep 2000 13:48:47 -0400 | From | Mike Panetta <> | Subject | Re: FWD: Re: Linux pipe question |
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Thanks for the reply!
On Wed, Sep 20, 2000 at 07:29:06PM +0200, Jakob Østergaard wrote: > On Wed, Sep 20, 2000 at 12:31:25PM -0400, Mike Panetta wrote: > > Can anyone answer this? > > I am not sure if unnamed pipes in linux > > are pageable or not. If an unnamed pipe > > could be paged out what could be done > > to prevent that from happening? > > The pipe itself is not pageable, but the user programs > will use buffers to actually use the pipe, and user programs > are of course pageable. > > You might want to look into encrypted swap-space > or at least using mlock() to lock the user programs in > core. It depends on how secure you want it. Could someone > actually access the swap space (eg. steal the disk), or > could someone install compromised versions of the programs > unnoticed ? > > Most programs just fill their buffers with random data or > zeroes, after they're done with the confidential data. > > -- > ............................................................... > : jakob@unthought.net : And I see the elder races, : > :.........................: putrid forms of man : > : Jakob Østergaard : See him rise and claim the earth, : > : OZ9ABN : his downfall is at hand. : > :.........................:............{Konkhra}...............: > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > Please read the FAQ at http://www.tux.org/lkml/
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