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forest
forest
02:44
@FutureSecurity His answer was actually surprisingly good. I didn't even DV it.
@bdegnan Tell that to anyone who studies quantum chromodynamics...
 
8 hours later…
Maeher
Maeher
11:08
-1
Q: Do exist a one-way function that have 2 Condition?

johnCan anyone help me to prove this theorem that i can't prove it in a book that i bought it recently. If exist one-way function or OWF function: 1--exist a one way function ( with name $f$) such that for every $x$, have : $f(x,x)=x$. 2- exist a one way function ( with name $f$) such that for ever...

hash one-way-function
I wonder which book that is. Since the first statement is so clearly wrong.
forest
forest
11:24
Are blatant falsehoods common in cryptographic texts?
Maeher
Maeher
My guess was that OP restarted the question incorrectly. But they are already the second person to do so. Which may hint at there being a textbook out there with a blatantly inncorrect exercise.
Not that terrible crypto textbooks are unheard of.
This chat and spotty mobile internet don't go well together.
kelalaka
kelalaka
11:39
@Maeher Added. I thought that from in the beginning to write as a comment then decided to look at the rules...
and thanks for the corrections
Maeher
Maeher
I just mentioned the printable ASCII thing because it's explicitly stated in the rules.
"A brief piece of printable ASCII text (containing byte values in hexadecimal notation from 0x20 to 0x7e)"

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