Messages in this thread | ![/](/images/icornerl.gif) | | From | "Andrew E. Mileski" <> | Subject | Re: signing a filesystem | Date | Sat, 28 Dec 1996 01:07:13 -0500 (EST) |
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> > new-footprint = old-footprint ^ md5(old-block) ^ md5(new-block) > > This part is all good.
I humbly suggest using the more advanced RIPEMD-160, which has been made public. It is tougher to fool, and produces a longer byte stream. Slower than MD5 of course (my P5-166 does RIPEMD-160 at about 2 million bytes/sec).
For code, see ftp://ftp.mv.com/pub/ddj/1997/1997.01/rmd160.zip
-- Andrew E. Mileski mailto:aem@ott.hookup.net Linux Plug-and-Play Kernel Project http://www.redhat.com/linux-info/pnp/ XFree86 Matrox Team http://www.bf.rmit.edu.au/~ajv/xf86-matrox.html
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