From slopez@illinois.edu Mon Oct 07 19:31:43 1996 Path: ashpoly!cascade!brgate!saturno!illinois!slopez From: slopez@illinois.edu (Sven López) Newsgroups: comp.sys.m68k Subject: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Oct07.193143.1397@illinois.edu> Date: Mon, 07 Oct 1996 19:31:43 GMT Organization: University of Illinois Urbana-Champaign NNTP-Posting-Host: illinois.edu X-Newsreader: WinVN 0.99.5 Lines: 10 Further progress on reverse-engineering the empty socket U14 on the TWIN-68 Rev C coprocessor board. 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? -- Sven López -- University of Illinois Urbana-Champaign "A soul is not exclusive to biology." From nsilva@pacbell.net Tue Oct 08 12:17:43 1996 Path: ashpoly!cascade!transat!eunet-fi!relcom!kiae!pacbell!nsilva From: nsilva@pacbell.net (Natalia Silva) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Oct08.121743.2722@pacbell.net> Date: Tue, 08 Oct 1996 12:17:43 GMT References: <1996Oct07.193143.1397@illinois.edu> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Oct07.193143.1397@illinois.edu>, slopez@illinois.edu (Sven López) 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! -- Natalia Silva "There are 14 nodes and only 10 countries. Count again." Sun 3/60 (SunOS 4.1.1) / TOS 4.04 From yrobertson@berkeley.edu Thu Oct 10 06:41:43 1996 Path: ashpoly!bigsur!pacrim!jpgate!kamome!berkeley!yrobertson From: yrobertson@berkeley.edu (Yuki Robertson) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Oct10.064143.3365@berkeley.edu> Date: Thu, 10 Oct 1996 06:41:43 GMT References: <1996Oct07.193143.1397@illinois.edu> <1996Oct08.121743.2722@pacbell.net> Organization: UC Berkeley Department of EECS NNTP-Posting-Host: berkeley.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Oct08.121743.2722@pacbell.net>, nsilva@pacbell.net (Natalia Silva) writes: > If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. -- === Yuki Robertson === Dept of Electrical Engineering, UC Berkeley Department of EECS "When every node is whole, the channel opens." From fmacdonald@stanford.edu Thu Oct 10 21:15:43 1996 Path: ashpoly!cascade!mxgate!coyoacan!stanford!fmacdonald From: fmacdonald@stanford.edu (Fiona MacDonald) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Oct10.211543.3115@stanford.edu> Date: Thu, 10 Oct 1996 21:15:43 GMT References: <1996Oct07.193143.1397@illinois.edu> <1996Oct08.121743.2722@pacbell.net> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: WinVN 0.99.5 Lines: 9 In article <1996Oct08.121743.2722@pacbell.net>, nsilva@pacbell.net (Natalia Silva) 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! -- Fiona MacDonald Zyxel U-1496E @ 28,800 bps "A soul is not exclusive to biology." From mkuznetsov@purdue.edu Sat Oct 12 15:05:43 1996 Path: ashpoly!cascade!transat!eunet-fr!teletel!purdue!mkuznetsov From: mkuznetsov@purdue.edu (Mei Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1996Oct12.150543.3608@purdue.edu> Date: Sat, 12 Oct 1996 15:05:43 GMT References: <1996Oct07.193143.1397@illinois.edu> <1996Oct08.121743.2722@pacbell.net> <1996Oct10.064143.3365@berkeley.edu> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: TIN [version 1.2 PL2] Lines: 9 In article <1996Oct10.064143.3365@berkeley.edu>, yrobertson@berkeley.edu (Yuki Robertson) writes: > Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. -- Mei Kuznetsov "Row 14. No joke." Sun SparcStation 20 / Linux 1.2.13