[RC5] My contribution to RC5

James Mastros root at jennifer-unix.dyn.ml.org
Sat Apr 4 23:26:21 EST 1998


On Sat, 4 Apr 1998, Ganesh Sittampalam wrote:
[...]
> If I wanted to send something secret, then as the final stage before encrypting
> it, I would compress it into some format with no header information whatsoever.
> How would you handle cracking that efficiently?

I would find out what compression alogrithim you used, then attempt to
decompress after decrypting it.  Note, BTW, that most compression formats
include a CRC, so that would make the attacker's job easyer, not harder.
Note also that PGP does this.

	-=- James Mastros
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