From svasiliev@cern.ch Thu May 26 05:03:04 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!cern!svasiliev From: svasiliev@cern.ch (Steve Vasiliev) Newsgroups: comp.sys.m68k Subject: Data: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994May26.050304.7617@cern.ch> Date: Thu, 26 May 1994 05:03:04 GMT Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: TIN [version 1.2 PL2] Lines: 10 Tracing the address decoder lines on the motherboard reveals what was supposed to be in socket U14. This indicates socket U14 held a cryptographic S-box lookup table for decrypting the Stardust keystream. Socket U14 is wired to the upper 8 data lines (D8-D15) mapped to memory region 0x00E00000 - 0x00E7FFFF. Did Marcus take the decryption EPROM with him when he left the lab? -- Steve Vasiliev -- European Laboratory for Particle Physics, Geneva "Marcus is not one man." From mbrennan@u-tokyo.ac.jp Thu May 26 09:08:04 1994 Path: ashpoly!cascade!transat!eunet-fr!teletel!u-tokyo!mbrennan From: mbrennan@u-tokyo.ac.jp (Marta Brennan) Newsgroups: comp.sys.m68k Subject: Re: Data: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994May26.090804.3641@u-tokyo.ac.jp> Date: Thu, 26 May 1994 09:08:04 GMT References: <1994May26.050304.7617@cern.ch> Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1994May26.050304.7617@cern.ch>, svasiliev@cern.ch (Steve Vasiliev) writes: > Tracing the address decoder lines on the motherboard reveals what was supposed to be in socket U14. If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! Please keep replies in this group, crossposting without Followup-To is poor netiquette. -- Marta Brennan -- University of Tokyo Department of Information Science "We don't sign stars. We build them." From gschneider@berkeley.edu Fri May 27 12:46:04 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!berkeley!gschneider From: gschneider@berkeley.edu (Graham Schneider) Newsgroups: comp.sys.m68k Subject: Re: Data: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994May27.124604.7228@berkeley.edu> Date: Fri, 27 May 1994 12:46:04 GMT References: <1994May26.050304.7617@cern.ch> <1994May26.090804.3641@u-tokyo.ac.jp> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1994May26.090804.3641@u-tokyo.ac.jp>, mbrennan@u-tokyo.ac.jp (Marta Brennan) writes: > If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! > Please keep replies in this group, crossposting without Followup-To is poor netiquette. Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. -- Graham Schneider "5 sigma is a discovery. 7 is a question." Atari Falcon 030 / SunOS 4.1.4 From tnovak@uni-hamburg.de Sun May 29 16:12:04 1994 Path: ashpoly!cascade!transat!sunet!nordrelay!uni-hamburg!tnovak From: tnovak@uni-hamburg.de (Tyler Novak) Newsgroups: comp.sys.m68k Subject: Re: Data: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994May29.161204.2020@uni-hamburg.de> Date: Sun, 29 May 1994 16:12:04 GMT References: <1994May26.050304.7617@cern.ch> <1994May26.090804.3641@u-tokyo.ac.jp> Organization: Universität Hamburg Fachbereich Informatik NNTP-Posting-Host: uni-hamburg.de X-Newsreader: Netscape 1.1N Lines: 11 In article <1994May26.090804.3641@u-tokyo.ac.jp>, mbrennan@u-tokyo.ac.jp (Marta Brennan) writes: > If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- Tyler Novak Zyxel U-1496E @ 14,400 bps "A soul is not exclusive to biology." From sgonzalez@demon.co.uk Tue May 31 12:37:04 1994 Path: ashpoly!cascade!transat!ukc!fennimore!demon!sgonzalez From: sgonzalez@demon.co.uk (Seo-yeon González) Newsgroups: comp.sys.m68k Subject: Re: Data: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994May31.123704.9980@demon.co.uk> Date: Tue, 31 May 1994 12:37:04 GMT References: <1994May26.050304.7617@cern.ch> <1994May26.090804.3641@u-tokyo.ac.jp> <1994May29.161204.2020@uni-hamburg.de> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1994May29.161204.2020@uni-hamburg.de>, tnovak@uni-hamburg.de (Tyler Novak) writes: > If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! > My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! -- Seo-yeon González | sgonzalez@demon.co.uk PGP Key fingerprint: B33F 4200 BB01 7513 "Keep the channels open."