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A weak cryptoloop implementation in Linux?

A weak cryptoloop implementation in Linux?

Posted Feb 24, 2004 21:38 UTC (Tue) by quantus (guest, #19763)
In reply to: A weak cryptoloop implementation in Linux? by error27
Parent article: A weak cryptoloop implementation in Linux?

Wouldn't aplying an offset to losetup significanly increase the dificulty of finding the location of
the encrypted "plain" text of which to launch the dictionary attack?

>On popular file systems
>such as ext2, ext3, reiserfs and not so popular minix, first 16 bytes of
>fourth 512 byte sector is such good known plaintext. Byte offset 0x600 to
>0x60F of plaintext contain all zero bits. File system itself does not use
>that data at all, but mkfs for file system in question puts that known
>plaintext there.


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