From sbrennan@u-tokyo.ac.jp Wed Aug 02 10:56:52 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!u-tokyo!sbrennan From: sbrennan@u-tokyo.ac.jp (Steve Brennan) Newsgroups: comp.sys.m68k Subject: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Aug02.105652.6907@u-tokyo.ac.jp> Date: Wed, 02 Aug 1995 10:56:52 GMT Organization: University of Tokyo Department of Information Science NNTP-Posting-Host: u-tokyo.ac.jp X-Newsreader: Netscape 1.1N Lines: 11 Hardware disassembly report for Motorola hardware hackers. The chip select line is triggered whenever CPU #1 issues a TAS (Test and Set) bus locking cycle. Without U14, the board can track the 14.2 Hz carrier, but cannot descramble the binary payload of Nodes 11 through 14. Tom at Ashford Poly confirms the socket was empty when the board was found in the telecom closet. -- Steve Brennan SupraFAXModem 28.8 @ 33,600 bps "We don't sign stars. We build them." From ntakahashi@panix.com Wed Aug 02 16:03:52 1995 Path: ashpoly!cascade!mxgate!coyoacan!panix!ntakahashi From: ntakahashi@panix.com (Nadia Takahashi) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Aug02.160352.8783@panix.com> Date: Wed, 02 Aug 1995 16:03:52 GMT References: <1995Aug02.105652.6907@u-tokyo.ac.jp> Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Aug02.105652.6907@u-tokyo.ac.jp>, sbrennan@u-tokyo.ac.jp (Steve Brennan) writes: > Hardware disassembly report for Motorola hardware hackers. > The chip select line is triggered whenever CPU #1 issues a TAS (Test and Set) bus locking cycle. Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. -- Nadia Takahashi *PLONK* filter active for trolls. NeXTstation Turbo Color - NetBSD 1.0 From evasiliev@clari.net Fri Aug 04 12:41:52 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!clari!evasiliev From: evasiliev@clari.net (Emi Vasiliev) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Aug04.124152.7475@clari.net> Date: Fri, 04 Aug 1995 12:41:52 GMT References: <1995Aug02.105652.6907@u-tokyo.ac.jp> Organization: ClariNet Communications Corp NNTP-Posting-Host: clari.net X-Newsreader: TIN [version 1.2 PL2] Lines: 11 In article <1995Aug02.105652.6907@u-tokyo.ac.jp>, sbrennan@u-tokyo.ac.jp (Steve Brennan) writes: > Hardware disassembly report for Motorola hardware hackers. > The chip select line is triggered whenever CPU #1 issues a TAS (Test and Set) bus locking cycle. Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. -- Emi Vasiliev -- ClariNet Communications Corp "Marcus is not one man." From msokolov@netcom.com Sat Aug 05 01:27:52 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!netcom!msokolov From: msokolov@netcom.com (Mateo Sokolov) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Aug05.012752.9894@netcom.com> Date: Sat, 05 Aug 1995 01:27:52 GMT References: <1995Aug02.105652.6907@u-tokyo.ac.jp> <1995Aug04.124152.7475@clari.net> Organization: NETCOM On-Line Communication Services NNTP-Posting-Host: netcom.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1995Aug04.124152.7475@clari.net>, evasiliev@clari.net (Emi Vasiliev) writes: > Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. > Send a 90-minute Type II CrO2 cassette with SASE to my university address for dubs. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. -- Mateo Sokolov -- NETCOM On-Line Communication Services "5 sigma is a discovery. 7 is a question."