> > What is key scrubbing? > > http://loop-aes.sourceforge.net/loop-AES.README states: > > Loop encryption key scrubbing moves and inverts key bits in > kernel RAM so that the thin oxide which forms the storage capacitor > dielectric of DRAM cells is not permitted to develop detectable property. > For more info, see Peter Gutmann's paper: > http://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html > > i found an article which could perhaps explain why something like this > would be needed at all: > > http://www.mail-archive.com/openssl-users@xxxxxxxxxxx/msg32045.html You can also have a look at http://www.cs.auckland.ac.nz/~pgut001/pubs/secure_del.html "7. Methods of Recovery for Data stored in Random-Access Memory" "8. Erasure of Data stored in Random-Access Memory" Regards, Phil - Linux-crypto: cryptography in and on the Linux system Archive: http://mail.nl.linux.org/linux-crypto/