On 15/09/2020 11:15, Richard Kettlewell wrote:
> The Natural Philosopher  writes:
>> On 14/09/2020 14:01, Richard Kettlewell wrote:
>>> Software is full of bugs.
>>
>> Yours may be.
>> When writing embedded code you make sure it isn't.
>
> If you have a way to guarantee zero bugs in any nontrivial software, the
> industry will beat a path to your door. Given you apparently can’t even
> recognize a SQL injection vulnerability, I don’t think there’s much
> chance of that happening any time soon.
>
>>> In a safety- and/or security-critical context,
>>> you can’t just ignore them, you need to find them (preferrably before
>>> someone else does), then recertify and redeploy the fixed software.
>>>
>>> Certification is a moving target, at least in my industry, I don’t know
>>> about automotive. Same issues as above.
>>>
>>> Security is a moving target; attacks keep getting better. Same issues
>>> again.
>>>
>>> And that’s before getting into changing customer needs, competitive
>>> challenges, rebranding, ...
>>
>> In a car window winder?
>
> Bit more electronics in a car than just a window winder. At any rate
> I’ll be trusting druck’s understanding of the costs and lifecycle or
> automotive software over yours.
>
How much embedded programming have either of you done? I spent 5 years
at it.



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