From msmirnov@ox.ac.uk Mon Apr 17 23:45:06 1995 Path: ashpoly!cascade!brgate!saturno!ox!msmirnov From: msmirnov@ox.ac.uk (Mei Smirnov) Newsgroups: comp.sys.m68k Subject: Discussion: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Apr17.234506.4244@ox.ac.uk> Date: Mon, 17 Apr 1995 23:45:06 GMT Organization: Oxford University Computing Laboratory NNTP-Posting-Host: ox.ac.uk X-Newsreader: Netscape 1.1N Lines: 11 Further progress on reverse-engineering the empty socket U14 on the TWIN-68 Rev C coprocessor board. Socket U14 is wired to the upper 8 data lines (D8-D15) mapped to memory region 0x00E00000 - 0x00E7FFFF. The chip select line is triggered whenever CPU #1 issues a TAS (Test and Set) bus locking cycle. Did Marcus take the decryption EPROM with him when he left the lab? -- Mei Smirnov | msmirnov@ox.ac.uk PGP Key fingerprint: 27B6 C74C FC1C 0374 "Keep the channels open." From mlopez@inria.fr Tue Apr 18 04:28:06 1995 Path: ashpoly!cascade!bigsur!inria!mlopez From: mlopez@inria.fr (Mike López) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Apr18.042806.1706@inria.fr> Date: Tue, 18 Apr 1995 04:28:06 GMT References: <1995Apr17.234506.4244@ox.ac.uk> Organization: INRIA Rocquencourt NNTP-Posting-Host: inria.fr X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Apr17.234506.4244@ox.ac.uk>, msmirnov@ox.ac.uk (Mei Smirnov) writes: > Further progress on reverse-engineering the empty socket U14 on the TWIN-68 Rev C coprocessor board. If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! -- Mike López Practical Peripherals 14.4 @ 14,400 bps "We don't sign stars. We build them." From amoreno@cern.ch Wed Apr 19 09:18:06 1995 Path: ashpoly!cascade!brgate!saturno!cern!amoreno From: amoreno@cern.ch (Astrid Moreno) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Apr19.091806.5224@cern.ch> Date: Wed, 19 Apr 1995 09:18:06 GMT References: <1995Apr17.234506.4244@ox.ac.uk> <1995Apr18.042806.1706@inria.fr> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Apr18.042806.1706@inria.fr>, mlopez@inria.fr (Mike López) 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! -- Astrid Moreno "The hatch is open. Is anyone listening?" Decstation 5000/200 / AmigaOS 3.1 From lrobertson@unam.mx Fri Apr 21 08:46:06 1995 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!unam!lrobertson From: lrobertson@unam.mx (Lisa Robertson) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Apr21.084606.2241@unam.mx> Date: Fri, 21 Apr 1995 08:46:06 GMT References: <1995Apr17.234506.4244@ox.ac.uk> <1995Apr18.042806.1706@inria.fr> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: WinVN 0.99.5 Lines: 10 In article <1995Apr18.042806.1706@inria.fr>, mlopez@inria.fr (Mike López) 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! Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- Lisa Robertson Tape trading list upon request. SASE required for international mail. From tsouza@cern.ch Sat Apr 22 10:27:06 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!cern!tsouza From: tsouza@cern.ch (Tomas Souza) Newsgroups: comp.sys.m68k Subject: Re: Discussion: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Apr22.102706.6964@cern.ch> Date: Sat, 22 Apr 1995 10:27:06 GMT References: <1995Apr17.234506.4244@ox.ac.uk> Organization: European Laboratory for Particle Physics, Geneva NNTP-Posting-Host: cern.ch X-Newsreader: TIN [version 1.2 PL2] Lines: 12 In article <1995Apr17.234506.4244@ox.ac.uk>, msmirnov@ox.ac.uk (Mei Smirnov) writes: > Further progress on reverse-engineering the empty socket U14 on the TWIN-68 Rev C coprocessor board. > Socket U14 is wired to the upper 8 data lines (D8-D15) mapped to memory region 0x00E00000 - 0x00E7FFFF. If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! Top-posters will be placed in my ~/.killfile without notice. -- Tomas Souza *PLONK* filter active for trolls. Sun SparcStation 20 - NetBSD 1.0