changing PublicKeyLifetime to smaller values isn't good
[Moved from bugzilla]
Description:
Opened: 2003-05-30 16:12
I had the default PublicKeyLifetime of 3 months and already had generated keys.
Now I wanted to set it to a lower value (1 month or 1 week) but when I start
the server I get the following:
Reading configuration from /home/minion/etc/mixminiond.conf
May 30 16:11:33.651 [DEBUG] Configuring server
May 30 16:11:33.651 [INFO] Starting server in the background
May 30 16:11:33.657 [INFO] Enabling statistics logging
May 30 16:11:33.659 [WARN] Directory /home is writable by group staff (mode 775)
May 30 16:11:33.661 [DEBUG] Syncing statistics to disk
May 30 16:11:33.662 [INFO] Statistics logging enabled
May 30 16:11:33.663 [INFO] Setting entropy source to '/dev/urandom'
May 30 16:11:33.665 [DEBUG] Initializing server
May 30 16:11:33.666 [DEBUG] Scanning server keystore at /home/minion/miniond/keys
May 30 16:11:33.671 [TRACE] Found key key_0001 (valid from 2003/05/30 to 2003/08/28)
May 30 16:11:33.671 [DEBUG] Found 1 keys.
May 30 16:11:33.672 [INFO] Last expiry at 2003/08/28 02:00:00; next keygen at
2003/08/11 13:00:00
May 30 16:11:33.673 [ERROR] Some generated keysets do not match current
configuration...
May 30 16:11:33.673 [ERROR] Keyset 0001 (2003/05/30 02:00:00--2003/08/28 02:00:00):
May 30 16:11:33.674 [WARN] Published lifetime does not match PublicKeyLifetime
May 30 16:11:33.675 [WARN] (This problem will go away in a while).
May 30 16:11:33.678 [INFO] Regenerating descriptor for keyset 0001 (2003/05/30
02:00:00--2003/08/28 02:00:00)
May 30 16:11:33.733 [DEBUG] Disabling module MBOX
May 30 16:11:33.734 [INFO] Module DROP: enabled for types ['0x0']
May 30 16:11:33.734 [DEBUG] Disabling module SMTP
May 30 16:11:33.735 [DEBUG] Disabling module SMTP_MIX2
May 30 16:11:33.765 [FATAL] Exception while configuring server
May 30 16:11:33.771 [FATAL] Traceback (most recent call last):
File
"/home/minion/lib/python2.2/site-packages/mixminion/server/ServerMain.py", line
1045, in runServer
server = MixminionServer(config)
File
"/home/minion/lib/python2.2/site-packages/mixminion/server/ServerMain.py", line
648, in __init__
self.keyring.checkDescriptorConsistency()
File
"/home/minion/lib/python2.2/site-packages/mixminion/server/ServerKeys.py", line
172, in checkDescriptorConsistency
ks.regenerateServerDescriptor(self.config, identity)
File
"/home/minion/lib/python2.2/site-packages/mixminion/server/ServerKeys.py", line
621, in regenerateServerDescriptor
useServerKeys=1)
File
"/home/minion/lib/python2.2/site-packages/mixminion/server/ServerKeys.py", line
960, in generateServerDescriptorAndKeys
assert ok
AssertionError
May 30 16:11:33.771 [FATAL] Shutting down because of exception:
exceptions.AssertionError
------- Additional Comments From Nick Mathewson 2003-05-30 21:13 -------
The crash is a shallow logic error: the code double-checks that any new
descriptors it generates must produce no consistency errors. I'm going to make
an exception for public key lifetime, because (as the warning notes) we don't
automaticly propagate those changes.
Why not? Because pmce a descriptor is published, we want the set of keys to
remain valid for as long as promised, so that reply blocks will continue to
work. When you set a new publicKeyLifetime, it applies to _new_ keys, not to
existing ones.
If you really want to go to a shorter lifetime, stop your server, edit
PublicKeyLifetime, run 'mixminion server-DELKEYS', and restart the server.
------- Additional Comments From Peter Palfrader 2003-05-30 21:18 -------
That a change of PublicKeyLifetime only affects new keys is probably The Right
Thing. So for current keys the lifetime should stay the same and mixminion
should start as usual.
------- Additional Comments From Nick Mathewson 2003-05-30 21:23 -------
Okay, the fix in CVS should solve it.
[Automatically added by flyspray2trac: Operating System: Linux]
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