Two post-scripts to my previous post (eh?): 1. Apologies for the spelling mistakes. 2. In the interests of following my own advice, I will not be commenting further on this topic: I can only hope that others will follow the example. Brendan --- In lpc2000@yahoogroups.com, "brendanmurphy37" <brendan.murphy@...> wrote: > > > Hi, > > I just know I'm going to regret adding to this - this thread should > have been killed off long ago - but I feel I have to add my voice to > the call "enough". > > Out of interest, Jaya, have you even considered ths remotest > possibility that the reason Philips aren't replying to your > outstanding question is not becuase they have something to hide, but > they have absolutely no reason to? In fact, quite the contrary, > normal commercial practice would more or less dictate that they > don't. > > Think a bit harder: they've already explained with very reasonable > sounding logic why the boot loader is the way it is. It's totally > unreasonable to expect any company to open up details of internal > implementation details that are hidden for a very good reason. By > documenting the interface you can make changes without changing the > documentated interface. If you want to play with undocumented > features and interfaces, good luck to you. But expecting Philips to > tell you internal details of what you're reverse engineering is > bizarre to my way of thinking. Why would they? (The reason why they > wouldn't by the way, is that they'd have to put resources - as in > people and cash - into supporting whatever they document). > > I can't imagine anyone in Philips wasting a nano-second of their > time in responding to why the coded the first few instructions of > the boot loader one way rather than another. > > As an analogy: > > Joe Engineer approaches Ford and says: you know what, some of those > cars you make and sell have the potential to spontaneously > explode. "Really?" says everyone listening: "that's kind of > interesting! Tell us more". Says Joe: "Well, they're powered by an > explosive fuel - there's gallons of it. There's plenty of ignition > sources all over the place. Now I'm sure if you play around enough > with the juxtonian gaskit, by getting it into the smudgy mode, the > whole thing might just blow!". "Er, sounds interesting", says the > others: "any evidence this might happen, Joe". Joe: "Not as such, > but Ford just won't respond when I ask them why the gaskit is red, > when I reacon it should be blue". And so it goes..... > > Now answer me this: does any sane, non-paranoid, person out there > think Ford would respond in that cicumstance? > > How about it Philips: are you going to answer the man's questions??? > > We wait with baited breath.... > > Brendan > > -- In lpc2000@yahoogroups.com, "lpc2100_fan" <lpc2100_fan@> wrote: > > > > Your suspicious G and T commands got an answer in messages > > http://groups.yahoo.com/group/lpc2000/message/12267 and > > http://groups.yahoo.com/group/lpc2000/message/12234, > > > > you complain Philips doesn't answer, once they answer you ignore > it or > > doubt it. > > > > I give them the benefit of a doubt, you obviously think you are the > > only one here in the forum the REALLY understands what's going on. > Not > > so! Far from it. I have been working with the LPCs for more than 2 > > years and there were ups and downs and we were satisfied with the > CRP > > and still are. The only thing you are achieving that others who > > believe in an academic approach not sustained with results that > prove > > it, get a little paranoid too. > > > > Commands that are outdated but not removed from programs might not > be > > the nicest programming style but they are no trojans. A trojans is > a > > part of a program that enables a backdoor to information. Show us > with > > all the time you obviously have to spend on this subject that you > can > > diassemble a one instruction program that is secured and then come > > back and talk about it. > > > > Well, as some other were speaking up against your longterm siege of > > the forum, I had to let them know there are more that think as > they do. > > > > The posts are a little emotional because we have been quiet and > > watching and quiet and watching for almost 8 weeks. > > > > RIP > > > > > > --- In lpc2000@yahoogroups.com, Jayasooriah <jayasooriah@> wrote: > > > > > > While lpc2100_fan spoke like any fan would, I must correct a > flaw in > > the > > > core premise based on which lpc2000_fan objects to CRP thread: > > > > > > --- In lpc2000@...m, "lpc2100_fan" <lpc2100_fan@> > wrote: > > > > ... so far we got > > > > a memory dump of a LPC2104 bootloader, which be no means has > any > > > > security options according to Philips. > > > > This is about as irrelevant as it can be within the LPC2000 > family > > > > because ALL other members do have a security option. > > > > > > Check the favourite LPC device with CRP security for Trojans at > the ISP > > > level itself and experience it for yourself. > > > > > > If there is any particular part that does not have these Trojans > in > > them, > > > please post part number and code versions so that those relying > on > > CRP can > > > be properly advised as to which part/versions they should be > weary of > > > rather than the entire family. > > > > > > In my LPC2292 (which has CRP feature) revision 1.64: > > > > > > 1/ "G tEsT A" crashes the boot loader. > > > > > > 2/ "T" command does interesting things (Philips does not want > you > > to know > > > about). > > > > > > Is this not sufficient proof that what I found in 2105 applies > to other > > > part(s) with CRP as well. > > > > > > Either someone is feeding my clients fake (or rigged) parts, or > > lpc2000_fan > > > got facts wrong. > > > > > > Jaya > > > > > > Send instant messages to your online friends > > http://au.messenger.yahoo.com > > > > > >
Message
Re: lpc2100_fan's objection to CRP thread
2006-02-10 by brendanmurphy37
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