From knakamura@uu.net Sun Nov 19 00:11:10 1995 Path: ashpoly!bigsur!pacrim!krgate!eunha!uu!knakamura From: knakamura@uu.net (Karen Nakamura) Newsgroups: comp.sys.m68k Subject: WTB/WTT: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov19.001110.9729@uu.net> Date: Sun, 19 Nov 1995 00:11:10 GMT Organization: UUNET Technologies, Falls Church VA NNTP-Posting-Host: uu.net X-Newsreader: Netscape 1.1N 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. Does anyone have a 27C256 EPROM marked 'MH-U14' or 'ORION-CRYPTO'? -- Karen Nakamura SupraFAXModem 28.8 @ ISDN 64k bps "Hardware is temporary. The signal survives." From atakahashi@purdue.edu Mon Nov 20 08:46:10 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!purdue!atakahashi From: atakahashi@purdue.edu (Aiko Takahashi) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov20.084610.4272@purdue.edu> Date: Mon, 20 Nov 1995 08:46:10 GMT References: <1995Nov19.001110.9729@uu.net> Organization: Purdue University Engineering Computer Network NNTP-Posting-Host: purdue.edu X-Newsreader: Netscape 1.1N Lines: 8 In article <1995Nov19.001110.9729@uu.net>, knakamura@uu.net (Karen Nakamura) writes: > Hardware disassembly report for Motorola hardware hackers. Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. -- Aiko Takahashi Tape trading list upon request. SASE required for international mail. From clopez@stanford.edu Tue Nov 21 09:59:10 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!stanford!clopez From: clopez@stanford.edu (Callum López) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov21.095910.7083@stanford.edu> Date: Tue, 21 Nov 1995 09:59:10 GMT References: <1995Nov19.001110.9729@uu.net> <1995Nov20.084610.4272@purdue.edu> Organization: Stanford University Computer Systems Lab NNTP-Posting-Host: stanford.edu X-Newsreader: WinVN 0.99.5 Lines: 8 In article <1995Nov20.084610.4272@purdue.edu>, atakahashi@purdue.edu (Aiko Takahashi) writes: > Marcus took that EPROM with him. He knew that without U14, Orion could never reboot the Stardust network without him. If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! -- Callum López -- Stanford University Computer Systems Lab "Extraordinary claims require extraordinary spectra." From dkuznetsov@pacbell.net Tue Nov 21 11:32:10 1995 Path: ashpoly!cascade!mxgate!coyoacan!pacbell!dkuznetsov From: dkuznetsov@pacbell.net (Diego Kuznetsov) Newsgroups: comp.sys.m68k Subject: Re: WTB/WTT: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov21.113210.5581@pacbell.net> Date: Tue, 21 Nov 1995 11:32:10 GMT References: <1995Nov19.001110.9729@uu.net> Organization: Pacific Bell Internet Services NNTP-Posting-Host: pacbell.net X-Newsreader: Netscape 1.1N Lines: 9 In article <1995Nov19.001110.9729@uu.net>, knakamura@uu.net (Karen Nakamura) writes: > Hardware disassembly report for Motorola hardware hackers. > This indicates socket U14 held a cryptographic S-box lookup table for decrypting the Stardust keystream. That's why Line 08 says: 'WHEN EVERY NODE IS WHOLE, THE CHANNEL OPENS.' It requires all physical keys. -- Diego Kuznetsov -- Pacific Bell Internet Services "When every node is whole, the channel opens."