December 2003 - cypherpunks-legacy

Re: GSM crypto upgrade? (was Re: Newt's phone calls)
by azur＠netcom.com 17 Dec '03

17 Dec '03

>>This is the approach taken by PGPfone also. If the value of the >>conversations was high (>$100,000?) passable voice imitation wouldn't >>be that hard I suspect. > >I have long considered how easy it would be to use a sound card to modify >the human voice to match within certain tolerances the voice of another. > >There are currently on the market, phones specifically designed to modify >the voice of the user so that kids can answer as adults, women can answer as >thier own protective boyfriends, bosses can answer anonymous calls as the >secretary, etc... > >There are currently on the market keyboards that allow you to sample some >real world sound and use it as a voice in your music, (the model I saw, a >toy produced by Radio Shack, simply sped up or slowed down the sound to >achieve this.) > >I have thought, if a machine were to take the incoming voice, analize >(apologies for spelling) it to get a spectrum signature, a pattern that can >be added or subtracted from another, and could then add the difference >between that and the victims signature to the users voice, then real-time, >on-the-fly con jobs would be easy. > >The only thing that the user would be responsible for would be the accent, >and the day-to-day vocabulary of the victim. > >I told a friend about this and he confirmed that such was available if you >knew where to look. A friend of mine, an expert on signal processing, vocei systhesis and recognition, showed me a journal article (think it was an IEEE) in 1990 of some university researchers who had prototyped just such a device. Never followed up, but it seems entirely reasonable a practicle. In fact I'm surprised that Hollywood hasn't latched onto this in order to dub film stars to different languages w/o loosing their recognizable voice characteristics. --Steve

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No Subject
by mixmaster＠remail.obscura.com 17 Dec '03

17 Dec '03

Is there a moderated list available which expunges only Dale? The good Dr., though vicious, is really quite clever, though vicious. Dale is only a bore. Only. Hugs to all.

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[ANNOUNCEMENT] Accounts payable
by mixmaster＠remail.obscura.com 17 Dec '03

17 Dec '03

As `homo' as he might be, Timmy May is not of the species `Homo Sapiens', but rather `Papio Mephitis'. Unlike human beings, he has not descended from apes --- yet. .oooO Oooo. ( ) _ _ ( ) \ ( / ) ( \ ) / ----\_)-/ (---) \-(_/---- ( ) ( ) oooO Oooo

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Re: GSM crypto upgrade? (was Re: Newt's phone calls)
by Steve Schear 17 Dec '03

17 Dec '03

>>This is the approach taken by PGPfone also. If the value of the >>conversations was high (>$100,000?) passable voice imitation wouldn't >>be that hard I suspect. > >I have long considered how easy it would be to use a sound card to modify >the human voice to match within certain tolerances the voice of another. > >There are currently on the market, phones specifically designed to modify >the voice of the user so that kids can answer as adults, women can answer as >thier own protective boyfriends, bosses can answer anonymous calls as the >secretary, etc... > >There are currently on the market keyboards that allow you to sample some >real world sound and use it as a voice in your music, (the model I saw, a >toy produced by Radio Shack, simply sped up or slowed down the sound to >achieve this.) > >I have thought, if a machine were to take the incoming voice, analize >(apologies for spelling) it to get a spectrum signature, a pattern that can >be added or subtracted from another, and could then add the difference >between that and the victims signature to the users voice, then real-time, >on-the-fly con jobs would be easy. > >The only thing that the user would be responsible for would be the accent, >and the day-to-day vocabulary of the victim. > >I told a friend about this and he confirmed that such was available if you >knew where to look. A friend of mine, an expert on signal processing, vocei systhesis and recognition, showed me a journal article (think it was an IEEE) in 1990 of some university researchers who had prototyped just such a device. Never followed up, but it seems entirely reasonable a practicle. In fact I'm surprised that Hollywood hasn't latched onto this in order to dub film stars to different languages w/o loosing their recognizable voice characteristics. --Steve

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Re: Fighting the cybercensor.
by Mark M. 17 Dec '03

17 Dec '03

-----BEGIN PGP SIGNED MESSAGE----- On Tue, 21 Jan 1997, Phillip M. Hallam-Baker wrote: > 2) How can one prevent the proxies themselves being blocked? Some > ideas that come to mind: > > 2a) Only issue new sites gradually so that blocking requires > continuous updates. I'm not sure how effective this would be. This depends mostly on security through obscurity. If the censors are very dedicated to making sure that all sites containing offending content are blocked, then there might be a few hours between the time when the mirror is set up and when it gets blocked. I prefer to think of the solution to this problem as a denial of service attack rather than just relying on obscurity. If the goal is to make sure that a large number of people have access to the mirrors, then the chances are it will be blocked fairly quickly. If many different diverse sites set up mirrors, this would effectively cut off that country's access to the web. This still does rely on some obscurity, such as being able to change URLs on a site frequently so the whole site has to be blocked instead of just the offending URL. A series of linguistic instructions on generating the URL could easily evade any bot seeking out notices of new URLs. This might be spelling out the URL, telling the user to find the MD5 hash of a specified string (a cgi interface for md5sum might be useful for this example), or any obscure method of encoding an URL that should be easy for any person to understand, but impossible for a program to parse. > 2b) Use DHCP to change network addresses regularly. If this change is regular enough, then it might force the censors to block the whole network and not just the host. Definitely a positive. Mark -----BEGIN PGP SIGNATURE----- Version: 2.6.3 Charset: noconv iQEVAwUBMuVsNyzIPc7jvyFpAQGTDwf/UYZ/pZr1WP5KPAJi6NEI1L+3xJR295gW jpHV1pYVweKbozTK3ZJKfL9kaF+nP/0e2UjBAtYTgMJyLxetzjg1lmMhM3r7aR6g 0oBUO79lnWUwnhsxafWmTVlr+6p1wgwSsHAPsdkn/zNQVz1EZc/o5SbmzR2js+6B szLbq7Vid6ap0pshU2NcuEvKmCijMW0cRNeJoaaIBkdMh3SD/FKS/gwSjWqhIefJ 4hthXXu29X7QZk/e8NTbuJY+tiGvKSjmLEZFxUmPXlG6DbRm2HV8FhPNStZhUFN4 MkB+ADvEc3noCxyB3w2y+ThoK41o8caDzWJGWjJ9zf+GGtusWNcYHA== =JS38 -----END PGP SIGNATURE-----

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Re: Keyword scanning/speech recognition (fwd)
by Jim Choate 17 Dec '03

17 Dec '03

Forwarded message: > Date: Tue, 21 Jan 1997 17:11:24 -0600 > From: Rick Smith <smith(a)sctc.com> > > simultaneously. Ahhh. The joys of microcoding for a 74S181 ALU. Now there is a blast from the past. I was working at UT Austin in '82 on my EE. I had to work part-time at the school for a non-classified project for the DoD (only way they would let students work on projects on the main campus). We were building a non-Von Neumann RTL (mono-bus computer) based router for the ARPANet using the 181's clocked at 40MHz (fastest they were reliable at) as the ALU's behind the registers. Couldn't find a way to saturate the machine (had 64 serial ports driving 64 Z80's @ 4MHz sitting on the RTL bus as addresses registers) on I/O. One of the guys working on the project was taking an electronic music class from one of the members of Journey (who was teaching a 1 time 1 semester class on electronic music) so we ended up using it as a synthesizer. Worked damn well. Don't know what the DoD did with it afterwards. Thanks for the reminder of some fond memories. Jim Choate CyberTects ravage(a)ssz.com

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Returned mail: User unknown
by Mail Delivery Subsystem 17 Dec '03

17 Dec '03

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Re: GSM crypto upgrade? (was Re: Newt's phone calls) (fwd)
by Jim Choate 17 Dec '03

17 Dec '03

Forwarded message: > Date: Tue, 21 Jan 1997 17:29:05 -0800 > From: Steve Schear <azur(a)netcom.com> > Subject: Re: GSM crypto upgrade? (was Re: Newt's phone calls) > > followed up, but it seems entirely reasonable a practicle. In fact I'm > surprised that Hollywood hasn't latched onto this in order to dub film > stars to different languages w/o loosing their recognizable voice > characteristics. In this regards you people (en toto) need to do a little more real world research in this area. Voice recognition is and has been easy to do for decades. As to what Hollywood is doing, not only are they doing voice masking but your local radio station does it on a regular basis [1] for a few $1,000's in hardware and software. [1] Video Toaster User Dec. 1996 Toaster Talk - "Learning from radio" pp. 6 Jim Choate CyberTects ravage(a)ssz.com

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Re: Keyword scanning/speech recognition (fwd)
by Jim Choate 17 Dec '03

17 Dec '03

Forwarded message: > Date: Tue, 21 Jan 1997 17:11:24 -0600 > From: Rick Smith <smith(a)sctc.com> > > simultaneously. Ahhh. The joys of microcoding for a 74S181 ALU. Now there is a blast from the past. I was working at UT Austin in '82 on my EE. I had to work part-time at the school for a non-classified project for the DoD (only way they would let students work on projects on the main campus). We were building a non-Von Neumann RTL (mono-bus computer) based router for the ARPANet using the 181's clocked at 40MHz (fastest they were reliable at) as the ALU's behind the registers. Couldn't find a way to saturate the machine (had 64 serial ports driving 64 Z80's @ 4MHz sitting on the RTL bus as addresses registers) on I/O. One of the guys working on the project was taking an electronic music class from one of the members of Journey (who was teaching a 1 time 1 semester class on electronic music) so we ended up using it as a synthesizer. Worked damn well. Don't know what the DoD did with it afterwards. Thanks for the reminder of some fond memories. Jim Choate CyberTects ravage(a)ssz.com

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REMOVE
by MSI: Patrick D. O'Brien 17 Dec '03

17 Dec '03

REMOVE

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