On 1/6/2015 6:25 PM, John Young wrote:
At 04:55 PM 1/6/2015, you wrote:
Yes, that is the received canon of cryptosystems:
1.Sarcasm toward unqualified efforts,
2. Designing cryptosysystems is *hard*.
3. No, that's too mild, it's mindblowingly* hard.
4. It doesn't start with code, it strts with mathematical description.
5. No, even that is not true, it starts with years of study.
6. Denizens of this list have seen a hundred cryptosystems crash and
burn.
7. Some of them designed by very clever people.
8. Designing crytposystems is hard.
9. Don't even think of trying it, not unless a fewyears spent studying
the state of the art.
10. Sorry to be blunt.
Not to mention how often thclaims are made despite thier sounding like
alchemy and astrology, cultish, religious, authoritarian, scientistic,
recruitment
for arcane pursuit of unsolvable mysteries, and hardly applicable to
the long
and varied history of cryptology suffused with bizarre claims,
subterfuge,
deception, betrayal, treachery, obligatory prevarication, inherent
cheating,
diabolical misrepresentation of trustworthiness, venomous accusations
against competitors, unrestrained dupery and duplicity against the
unwary,
citizen and royalty alike.
Nor that mathematics is a modern innovation in cryptology and remains
its weakest element due to inability of its applicators to wed it to code
and hardware without recourse to alchemy and astrology favored by
promoters, sales and PhDs who dream of math as golden key to natsec.
QODE, QED.
Kevin wrote: > I figured I'd start building my own open source
encryption algorithm: > https://github.com/kjsisco/qode If you feel
overwhelmed by the sarcasm directed your way, there is a reason for
that. Designing cryptosystems is *hard*. No, that's too mild. Is
*mindblowingly* hard. It doesn't start with code. It starts with a
mathematical description. No, even that is not true: It starts with
years and years of study. The denisens of this list have seen a
hundred cryptosystem crash and burn. Some of them were designed by
very clever people. Did I mention that designing cryptosystems is
hard? Don't even think of trying it, not unless you have first spent
a few years studying the state of the art. Sorry to be so blunt, but
I think it will save you a whole lot of grief. – Harald
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I agree with most of what you have said but I take issue with your one
point:
"don't ever think of trying it..." I know I'm paraphrasing that but
even thinking that discourages people from bothering to secure
anything. Not to sound like a crybaby but that's counter productive.
It's just as counterproductive as giving everyone a pat on the back just
for the sake of boosting morale, however.
--
Kevin
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