Ouch. 32 is not a lot of key material for critical purposes, especially since each letter of a typical password contains far less than a byte of entropy. What was the motivation for switching from crypto++ to Botan? Of course, my purposes are hardly critical, so I think I'll just use a shorter key. Thanks for the prompt reply.

BTW, I've been playing around with monotone for a while and think it's a really excellent version control system. I can't stand centralized systems, and BitKeeper is obviously no longer reasonable to use. In many ways, monotone is even better than BK (especially being OSS). Keep up the good work!

[stefan]

On Sep 24, 2005, at 8:56 AM, Matt Johnston wrote:

On Sat, Sep 24, 2005 at 12:30:33AM -0700, Stefan Karpinski wrote:

Monotone reports the following bug. Here's the short version:

$ monotone --db=~/monotone/sex.db serve basin.cs.ucsb.edu
"org.leezard.*"
enter passphrase for key ID [EMAIL PROTECTED]:
monotone: fatal: std::exception: Botan: ARC4 cannot accept a key of
length 33

...

monotone 0.22 (base revision: 69129c6df327273da0483a0277a72be1801a9a27)


It looks like Botan is limited to 32 byte keys for arcfour -
AFAICT it should be safe to increase the "32" maximum key
length in arc4.cpp to 256, though I'll take a closer look
first (and compare with crypto++'s behaviour).

monotone 0.21 was using crypto++, so that should be able to
use keys up to 256 bytes as a workaround.

Matt




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