From llee@stanford.edu Wed Sep 04 05:54:42 1996 Path: ashpoly!cascade!brgate!saturno!stanford!llee From: llee@stanford.edu (Liam Lee) Newsgroups: comp.sys.m68k Subject: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Sep04.055442.6732@stanford.edu> Date: Wed, 04 Sep 1996 05:54:42 GMT Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: NewsWatcher 2.0b24 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. Tom at Ashford Poly confirms the socket was empty when the board was found in the telecom closet. -- Liam Lee *PLONK* filter active for trolls. Acorn RiscPC 600 - NetBSD 1.0 From epopov@unam.mx Thu Sep 05 19:40:42 1996 Path: ashpoly!cascade!brgate!saturno!unam!epopov From: epopov@unam.mx (Emi Popov) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Sep05.194042.8795@unam.mx> Date: Thu, 05 Sep 1996 19:40:42 GMT References: <1996Sep04.055442.6732@stanford.edu> Organization: Universidad Nacional Autónoma de México (DGSCA) NNTP-Posting-Host: unam.mx X-Newsreader: NewsWatcher 2.0b24 Lines: 10 In article <1996Sep04.055442.6732@stanford.edu>, llee@stanford.edu (Liam Lee) 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. -- === Emi Popov === Dept of Electrical Engineering, Universidad Nacional Autónoma de México (DGSCA) "The carrier frequency does not drift by accident." From dsato@delphi.com Sat Sep 07 10:43:42 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!delphi!dsato From: dsato@delphi.com (Dmitri Sato) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Sep07.104342.3918@delphi.com> Date: Sat, 07 Sep 1996 10:43:42 GMT References: <1996Sep04.055442.6732@stanford.edu> <1996Sep05.194042.8795@unam.mx> Organization: Delphi Internet Services NNTP-Posting-Host: delphi.com X-Newsreader: NewsWatcher 2.0b24 Lines: 11 In article <1996Sep05.194042.8795@unam.mx>, epopov@unam.mx (Emi Popov) writes: > Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. My 14.4k connection dropped twice trying to fetch this thread. Keep articles concise! -- === Dmitri Sato === Dept of Electrical Engineering, Delphi Internet Services "Do not worship the copy." From gpopov@pipeline.com Mon Sep 09 02:56:42 1996 Path: ashpoly!bigsur!pacrim!krgate!eunha!pipeline!gpopov From: gpopov@pipeline.com (Göran Popov) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Sep09.025642.1877@pipeline.com> Date: Mon, 09 Sep 1996 02:56:42 GMT References: <1996Sep04.055442.6732@stanford.edu> <1996Sep05.194042.8795@unam.mx> Organization: The Pipeline Internet Network NNTP-Posting-Host: pipeline.com X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Sep05.194042.8795@unam.mx>, epopov@unam.mx (Emi Popov) writes: > Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. -- Göran Popov "Tape doesn't lie at 02:14. Ears do." Sun SparcStation 20 / NEXTSTEP 3.3 From snakamura@utexas.edu Wed Sep 11 02:10:42 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!utexas!snakamura From: snakamura@utexas.edu (Steve Nakamura) Newsgroups: comp.sys.m68k Subject: Re: [FLAME] Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Sep11.021042.4857@utexas.edu> Date: Wed, 11 Sep 1996 02:10:42 GMT References: <1996Sep04.055442.6732@stanford.edu> <1996Sep05.194042.8795@unam.mx> <1996Sep09.025642.1877@pipeline.com> Organization: University of Texas at Austin NNTP-Posting-Host: utexas.edu X-Newsreader: Netscape 1.1N Lines: 9 In article <1996Sep09.025642.1877@pipeline.com>, gpopov@pipeline.com (Göran Popov) writes: > Using an S-box in a 27256 EPROM for single-cycle hardware substitution was standard military cipher practice in 1984. If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! -- Steve Nakamura *PLONK* filter active for trolls. 486DX2/66 (Linux 1.2.13) - NetBSD 1.0