Messages in this thread | | | Date | Sat, 23 Feb 2002 21:47:56 +0200 | From | Jari Ruusu <> | Subject | Re: loop under 2.2.20 - relative block support? |
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mailerror@hushmail.com wrote: > What exactly is the status of the loopback device in 2.2.20 with regards > to relative block support? Is it *really* supported? > > The reason I am asking is that I've run into trouble retrieving data off > of a loopback file after I switched to a new machine. I was using loopback > in combination with the kerneli patch to mount an encrypted filesystem > and backup my data to it for safe transport to another machine. The > decryption seems to be largely successful, since I am able to see most of > the data when peering at the decrypted file using a hexeditor.
Kerneli patches use block size dependant IV computation (also called "time bomb" IV). Shit hits the fan when you move files to a device with different block size. Search linux-crypto archives for more information.
Regards, Jari Ruusu <jari.ruusu@pp.inet.fi> - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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