From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-0.9 required=5.0 tests=BAYES_00,FORGED_GMAIL_RCVD, FREEMAIL_FROM autolearn=no autolearn_force=no version=3.4.4 X-Google-Thread: 103376,df1054d7dba4074d X-Google-Attributes: gid103376,public X-Google-Language: ENGLISH,ASCII-7-bit Path: g2news2.google.com!postnews.google.com!h3g2000cwc.googlegroups.com!not-for-mail From: "Korayem.m" Newsgroups: comp.lang.ada Subject: Re: Ada for embedded Date: 14 Feb 2007 05:08:55 -0800 Organization: http://groups.google.com Message-ID: <1171458535.770403.316440@h3g2000cwc.googlegroups.com> References: <1171174609.584377.113630@h3g2000cwc.googlegroups.com> <1171356863.724306.90920@a34g2000cwb.googlegroups.com> NNTP-Posting-Host: 196.205.210.224 Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Trace: posting.google.com 1171458542 5328 127.0.0.1 (14 Feb 2007 13:09:02 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Wed, 14 Feb 2007 13:09:02 +0000 (UTC) In-Reply-To: User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.1.1) Gecko/20061204 Firefox/2.0.0.1,gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: h3g2000cwc.googlegroups.com; posting-host=196.205.210.224; posting-account=NeASCg0AAAD8JhQCmgcrsSgg8cmSS0kS Xref: g2news2.google.com comp.lang.ada:9317 Date: 2007-02-14T05:08:55-08:00 List-Id: On Feb 14, 7:15 am, Dennis Lee Bieber wrote: > On 13 Feb 2007 00:54:23 -0800, "Korayem.m" > declaimed the following in comp.lang.ada: > > > First thank you all guys for help > > > now i have an idea > > i want to make a phone secure line encrypt voice calls > > i mean the system will be PHONE --> scramblerbox --> line --> > > scramblerbox --> PHONE > > so what i want is to program that "scramblerbox " using ADA. > > can you help me in that. > > Uhm... If you mean a really secure system -- even if only half the > capability of a STU-3... Ada is the least of your difficulties... You'll > need A/D and D/A circuits, some decision on sampling rate (which is > partly controlled by processor speed), signal processing logic, modem > logic to impress your digitized/encrypted signal onto/off-of an analog > phone line, and a good understanding of how two encryption devices > authenticate and set-up a common session key. > > If you mean simple stuff like the scramblers some FRS radios > incorporate -- those are often something like frequency inversion of the > side-bands, and are mainly analog only; no digital code needed. > > -- > Wulfraed Dennis Lee Bieber KD6MOG > wlfr...@ix.netcom.com wulfr...@bestiaria.com > HTTP://wlfraed.home.netcom.com/ > (Bestiaria Support Staff: web-a...@bestiaria.com) > HTTP://www.bestiaria.com/ Thank you very much that is what i want to do -like an STU-3