No subject

Petr Novotny Petr.Novotny at antek.cz
Wed Feb 25 10:23:46 EST 1998


rc5help at slacker.com
Subject: [RC5] Switching to RC5 problem
Sender: owner-rc5 at lists.distributed.net
Precedence: bulk
Reply-To: rc5

Hi,

I am experiencing a strange problem switching back to RC5-64. All my 
clients (some of them are 391 WinNT service, the rest are 396 WIN32 
GUI) are set up with preferred contest equal to DES. The keyproxy is 
a Win32 personal proxy, build 277b.

Now after every startup, the client asks proxy for DES blocks - and 
it receives some garbage! It checks that garbage and then starts 
working on RC5. It could be that the client misinterprets some packet 
from the proxy as a DES packet - but more likely it seems that the 
proxy is issuing some random gibberish and calls is a DES packet.

A part of log of a client:
[02/25/98 10:15:30 GMT] DES 1*2^20 Block: 006465C1:27300000 ready to 
process
[02/25/98 10:15:30 GMT] 9 Blocks remain in file D:\rc5des\buff-in.des
[02/25/98 10:15:30 GMT] 1 Blocks are in file D:\rc5des\buff-out.des
Child thread # 1 has been started.
[02/25/98 10:15:30 GMT] DES 1*2^20 Block: 007F34C8:E0800000 ready to 
process
[02/25/98 10:15:30 GMT] 8 Blocks remain in file D:\rc5des\buff-in.des
[02/25/98 10:15:30 GMT] 1 Blocks are in file D:\rc5des\buff-out.des

[02/25/98 10:15:33 GMT] Completed block 006465C1:27300000 (2097152 keys)
                        00:00:03.03 - [371514.33 keys/sec]
[02/25/98 10:15:33 GMT] DES 1*2^20 Block: 004950EA:16700000 ready to 
process
[02/25/98 10:15:33 GMT] 7 Blocks remain in file D:\rc5des\buff-in.des
[02/25/98 10:15:33 GMT] 2 Blocks are in file D:\rc5des\buff-out.des
[02/25/98 10:15:33 GMT] Tot: 0 RC5 blocks 00:00:03.19 - [0.00 keys/sec]
                        Tot: 1 DES blocks 00:00:03.19 - [348704.85 
keys/sec]

[02/25/98 10:15:36 GMT] Completed block 007F34C8:E0800000 (2097152 keys)
                        00:00:04.33 - [447555.81 keys/sec]
[02/25/98 10:15:36 GMT] DES 1*2^20 Block: 00154F84:F8100000 ready to 
process
[02/25/98 10:15:36 GMT] 6 Blocks remain in file D:\rc5des\buff-in.des
[02/25/98 10:15:36 GMT] 3 Blocks are in file D:\rc5des\buff-out.des
[02/25/98 10:15:36 GMT] Tot: 0 RC5 blocks 00:00:06.26 - [0.00 keys/sec]
                        Tot: 2 DES blocks 00:00:06.26 - [486110.07 
keys/sec]


A part of log from the proxy:
[02/25/98 10:15:35 GMT] Status: Slot 0 LISTENING
[02/25/98 10:16:00 GMT] 194.108.229.228: Client requesting communication
[02/25/98 10:16:00 GMT] 194.108.229.228: assigned 007a1a74:a6200000, iter 
0 
[02/25/98 10:16:00 GMT] 194.108.229.228: assigned 005f827e:d8c00000, iter 
0 
[02/25/98 10:16:00 GMT] 194.108.229.228: assigned 002f18e0:16500000, iter 
0 
[02/25/98 10:16:00 GMT] 194.108.229.228: assigned 004950ea:16700000, iter 
0 
[02/25/98 10:16:00 GMT] 194.108.229.228: assigned 00154f84:f8100000, iter 
0 
[02/25/98 10:16:01 GMT] 194.108.229.228: assigned 007a1a74:a6200000, iter 
0 
[02/25/98 10:16:01 GMT] 194.108.229.228: assigned 00154f84:f8100000, iter 
0 
[02/25/98 10:16:01 GMT] 194.108.229.228: assigned 004950ea:16700000, iter 
0 
[02/25/98 10:16:01 GMT] 194.108.229.228: assigned 002487d7:6dc00000, iter 
0 
[02/25/98 10:16:01 GMT] 194.108.229.228: assigned 002f18e0:16500000, iter 
0 
[02/25/98 10:16:01 GMT] Client closed the connection
[02/25/98 10:16:01 GMT] 194.108.229.228: Client requesting communication
[02/25/98 10:16:03 GMT] Client closed the connection


Well - at least the proxy abandons the blocks submitted back.

What's up?
--
Petr Novotny, ANTEK CS
Petr.Novotny at antek.cz
http://www.antek.cz

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