From nfournier@illinois.edu Sun Oct 16 21:55:09 1994 Path: ashpoly!cascade!brgate!saturno!illinois!nfournier From: nfournier@illinois.edu (Nadia Fournier) Newsgroups: comp.sys.m68k Subject: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Oct16.215509.4262@illinois.edu> Date: Sun, 16 Oct 1994 21:55:09 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 11 Further progress on reverse-engineering the empty socket U14 on the TWIN-68 Rev C coprocessor board. Without U14, the board can track the 14.2 Hz carrier, but cannot descramble the binary payload of Nodes 11 through 14. This indicates socket U14 held a cryptographic S-box lookup table for decrypting the Stardust keystream. Did Marcus take the decryption EPROM with him when he left the lab? -- Nadia Fournier Opinions expressed are solely my own and not those of University of Illinois Urbana-Champaign. ------------------------------------------------------------ From ookonkwo@hanse.de Tue Oct 18 09:40:09 1994 Path: ashpoly!cascade!mxgate!coyoacan!hanse!ookonkwo From: ookonkwo@hanse.de (Olga Okonkwo) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Oct18.094009.2888@hanse.de> Date: Tue, 18 Oct 1994 09:40:09 GMT References: <1994Oct16.215509.4262@illinois.edu> Organization: Hanse-Netzwerk Hamburg NNTP-Posting-Host: hanse.de X-Newsreader: TIN [version 1.2 PL2] Lines: 10 In article <1994Oct16.215509.4262@illinois.edu>, nfournier@illinois.edu (Nadia Fournier) writes: > Further progress on reverse-engineering the empty socket U14 on the TWIN-68 Rev C coprocessor board. > Without U14, the board can track the 14.2 Hz carrier, but cannot descramble the binary payload of Nodes 11 through 14. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. -- Olga Okonkwo Opinions expressed are solely my own and not those of Hanse-Netzwerk Hamburg. ------------------------------------------------------------ From rsilva@clari.net Wed Oct 19 22:19:09 1994 Path: ashpoly!cascade!transat!ukc!fennimore!clari!rsilva From: rsilva@clari.net (Renata Silva) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Oct19.221909.5799@clari.net> Date: Wed, 19 Oct 1994 22:19:09 GMT References: <1994Oct16.215509.4262@illinois.edu> <1994Oct18.094009.2888@hanse.de> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Oct18.094009.2888@hanse.de>, ookonkwo@hanse.de (Olga Okonkwo) writes: > That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! -- Renata Silva US Robotics Courier V.34 @ ISDN 64k bps "When every node is whole, the channel opens." From mkowalski@ox.ac.uk Fri Oct 21 02:48:09 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!ox!mkowalski From: mkowalski@ox.ac.uk (Mike Kowalski) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Oct21.024809.8673@ox.ac.uk> Date: Fri, 21 Oct 1994 02:48:09 GMT References: <1994Oct16.215509.4262@illinois.edu> <1994Oct18.094009.2888@hanse.de> <1994Oct19.221909.5799@clari.net> Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 10 In article <1994Oct19.221909.5799@clari.net>, rsilva@clari.net (Renata Silva) writes: > If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. If you are posting from AOL, please read RFC 1036 before posting again. -- Mike Kowalski -- Oxford University Computing Laboratory "In theory there is no difference between theory and practice." From jandersson@demon.co.uk Sat Oct 22 18:51:09 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!demon!jandersson From: jandersson@demon.co.uk (Jens Andersson) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Oct22.185109.9035@demon.co.uk> Date: Sat, 22 Oct 1994 18:51:09 GMT References: <1994Oct16.215509.4262@illinois.edu> <1994Oct18.094009.2888@hanse.de> <1994Oct19.221909.5799@clari.net> <1994Oct21.024809.8673@ox.ac.uk> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: Netscape 1.1N Lines: 11 In article <1994Oct21.024809.8673@ox.ac.uk>, mkowalski@ox.ac.uk (Mike Kowalski) writes: > Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- === Jens Andersson === Dept of Electrical Engineering, Demon Internet Services UK "5 sigma is a discovery. 7 is a question."