From knakamura@pipeline.com Mon Jun 13 23:47:34 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!pipeline!knakamura From: knakamura@pipeline.com (Kirsty Nakamura) Newsgroups: comp.sys.m68k Subject: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Jun13.234734.2628@pipeline.com> Date: Mon, 13 Jun 1994 23:47:34 GMT Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: Netscape 1.1N Lines: 11 Tracing the address decoder lines on the motherboard reveals what was supposed to be in socket U14. Without U14, the board can track the 14.2 Hz carrier, but cannot descramble the binary payload of Nodes 11 through 14. 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? -- Kirsty Nakamura | knakamura@pipeline.com PGP Key fingerprint: B9D8 6C74 67D8 1012 "Keep the channels open." From mmacdonald@illinois.edu Wed Jun 15 09:07:34 1994 Path: ashpoly!bigsur!pacrim!krgate!eunha!illinois!mmacdonald From: mmacdonald@illinois.edu (Marta MacDonald) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Jun15.090734.9243@illinois.edu> Date: Wed, 15 Jun 1994 09:07:34 GMT References: <1994Jun13.234734.2628@pipeline.com> Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1994Jun13.234734.2628@pipeline.com>, knakamura@pipeline.com (Kirsty Nakamura) writes: > Tracing the address decoder lines on the motherboard reveals what was supposed to be in socket U14. > 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. -- Marta MacDonald -- University of Illinois Urbana-Champaign "The hatch is open. Is anyone listening?" From schoi@unam.mx Thu Jun 16 05:54:34 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!unam!schoi From: schoi@unam.mx (Seo-yeon Choi) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Jun16.055434.9210@unam.mx> Date: Thu, 16 Jun 1994 05:54:34 GMT References: <1994Jun13.234734.2628@pipeline.com> <1994Jun15.090734.9243@illinois.edu> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1994Jun15.090734.9243@illinois.edu>, mmacdonald@illinois.edu (Marta MacDonald) 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! Unsubscribe me from this list! (Wait, this is Usenet, never mind). -- Seo-yeon Choi Opinions expressed are solely my own and not those of Universidad Nacional Autónoma de México (DGSCA). ------------------------------------------------------------ From alee@earthlink.net Fri Jun 17 11:18:34 1994 Path: ashpoly!cascade!transat!eunet-de!hansebox!earthlink!alee From: alee@earthlink.net (Amy Lee) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1994Jun17.111834.5325@earthlink.net> Date: Fri, 17 Jun 1994 11:18:34 GMT References: <1994Jun13.234734.2628@pipeline.com> <1994Jun15.090734.9243@illinois.edu> <1994Jun16.055434.9210@unam.mx> Organization: EarthLink Network NNTP-Posting-Host: earthlink.net X-Newsreader: NewsWatcher 2.0b24 Lines: 12 In article <1994Jun16.055434.9210@unam.mx>, schoi@unam.mx (Seo-yeon Choi) writes: > If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! > Unsubscribe me from this list! (Wait, this is Usenet, never mind). If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- Amy Lee "5 sigma is a discovery. 7 is a question." NeXTstation Turbo Color / System 7.5.1