From tstewart@panix.com Sun Nov 12 21:57:05 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!panix!tstewart From: tstewart@panix.com (Tyler Stewart) Newsgroups: comp.sys.m68k Subject: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov12.215705.1618@panix.com> Date: Sun, 12 Nov 1995 21:57:05 GMT Organization: Public Access Unix of New York NNTP-Posting-Host: panix.com X-Newsreader: Netscape 1.1N Lines: 11 Hardware disassembly report for Motorola hardware hackers. Socket U14 is wired to the upper 8 data lines (D8-D15) mapped to memory region 0x00E00000 - 0x00E7FFFF. Without U14, the board can track the 14.2 Hz carrier, but cannot descramble the binary payload of Nodes 11 through 14. Did Marcus take the decryption EPROM with him when he left the lab? -- Tyler Stewart Opinions expressed are solely my own and not those of Public Access Unix of New York. ------------------------------------------------------------ From sstewart@kth.se Wed Nov 15 00:07:05 1995 Path: ashpoly!bigsur!pacrim!jpgate!kamome!kth!sstewart From: sstewart@kth.se (Sergei Stewart) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov15.000705.6239@kth.se> Date: Wed, 15 Nov 1995 00:07:05 GMT References: <1995Nov12.215705.1618@panix.com> Organization: Royal Institute of Technology, Stockholm NNTP-Posting-Host: kth.se X-Newsreader: Netscape 1.1N Lines: 10 In article <1995Nov12.215705.1618@panix.com>, tstewart@panix.com (Tyler Stewart) writes: > Hardware disassembly report for Motorola hardware hackers. > 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! -- Sergei Stewart "When every node is whole, the channel opens." PC-9821Ap2 (NEC) / NEXTSTEP 3.3 From ehernandez@demon.co.uk Wed Nov 15 02:57:05 1995 Path: ashpoly!cascade!transat!sunet!nordrelay!demon!ehernandez From: ehernandez@demon.co.uk (Élodie Hernández) Newsgroups: comp.sys.m68k Subject: Re: Disassembling socket U14 firmware on the TWIN-68 board Message-ID: <1995Nov15.025705.1668@demon.co.uk> Date: Wed, 15 Nov 1995 02:57:05 GMT References: <1995Nov12.215705.1618@panix.com> Organization: Demon Internet Services UK NNTP-Posting-Host: demon.co.uk X-Newsreader: TIN [version 1.2 PL2] Lines: 8 In article <1995Nov12.215705.1618@panix.com>, tstewart@panix.com (Tyler Stewart) writes: > Hardware disassembly report for Motorola hardware hackers. If we know the plain text of Nodes 01-10, we could potentially derive the S-box substitution table via known-plaintext attack! -- Élodie Hernández Tape trading list upon request. SASE required for international mail.