From dnilsson@cern.ch Thu Mar 09 14:55:16 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!cern!dnilsson From: dnilsson@cern.ch (Dmitri Nilsson) Newsgroups: comp.sys.m68k Subject: [SPECULATION] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Mar09.145516.5095@cern.ch> Date: Thu, 09 Mar 1995 14:55:16 GMT Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: Netscape 1.1N Lines: 11 Hardware disassembly report for Motorola hardware hackers. This indicates socket U14 held a cryptographic S-box lookup table for decrypting the Stardust keystream. Without U14, the board can track the 14.2 Hz carrier, but cannot descramble the binary payload of Nodes 11 through 14. Does anyone have a 27C256 EPROM marked 'MH-U14' or 'ORION-CRYPTO'? -- Dmitri Nilsson *PLONK* filter active for trolls. Atari TT030 - NetBSD 1.0 From mlee@cern.ch Sat Mar 11 15:47:16 1995 Path: ashpoly!cascade!transat!eunet-fr!teletel!cern!mlee From: mlee@cern.ch (Mike Lee) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Mar11.154716.3867@cern.ch> Date: Sat, 11 Mar 1995 15:47:16 GMT References: <1995Mar09.145516.5095@cern.ch> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Mar09.145516.5095@cern.ch>, dnilsson@cern.ch (Dmitri Nilsson) writes: > Hardware disassembly report for Motorola hardware hackers. > This indicates socket U14 held a cryptographic S-box lookup table for decrypting the Stardust keystream. Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. -- === Mike Lee === Dept of Electrical Engineering, European Laboratory for Particle Physics, Geneva "Extraordinary claims require extraordinary spectra." From llee@uni-hamburg.de Mon Mar 13 07:52:16 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!uni-hamburg!llee From: llee@uni-hamburg.de (Lisa Lee) Newsgroups: comp.sys.m68k Subject: Re: [SPECULATION] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Mar13.075216.2835@uni-hamburg.de> Date: Mon, 13 Mar 1995 07:52:16 GMT References: <1995Mar09.145516.5095@cern.ch> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: WinVN 0.99.5 Lines: 11 In article <1995Mar09.145516.5095@cern.ch>, dnilsson@cern.ch (Dmitri Nilsson) writes: > Hardware disassembly report for Motorola hardware hackers. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- === Lisa Lee === Dept of Electrical Engineering, Universität Hamburg Fachbereich Informatik "Row 14. No joke."