Примери коришћења Pseudo-random на Енглеском и њихови преводи на Српски
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That's the whole pseudo-random generator.
So the nice thing about this is now, essentially, by doing this,each frame has a pseudo-random key.
Whereas for the pseudo-random function, he's always gonna get zero.
So we have our adversary, who's trying to distinguish truly random function from a pseudo-random function.
And that will give you a pseudo-random sequence that's as long as you need it to be.
So you can see this, this very simple notation captures the whole definition of pseudo-random generators.
OpenBSD also uses a pseudo-random number algorithm based on ChaCha20 known as arc4random.
They are often random or pseudo-random numbers.
The(pseudo-random) number generator has certain characteristics(e.g., a long"period" before the sequence repeats).
A related concept that more accurately captures what a block cipher is it's called a pseudo-random permutation.
The adversary can't tell that we switched from a pseudo-random string to a truly random string. Again, because the generator is secure.
So now that we understand what statistical tests are, we can go ahead and define,what is a secure pseudo-random generator.
Now one thing that I wanted to point out is that in fact any pseudo-random permutation, namely any block cipher, you can also think of it as a PRF.
If selected, OpenSSL will be asked to use the given file as entropy for initializing the pseudo-random number generator.
The property of the pseudo-random generator is that its output is indistinguishable from truly random.
If selected, OpenSSL will be asked to use the entropy gathering daemon(EGD)for initializing the pseudo-random number generator.
In cryptographic applications, pseudo-random numbers cannot be used, since the adversary can predict them, making the algorithm effectively deterministic.
So here, they're all concatenated together. And encrypted using, unfortunately,the same pseudo-random seed, in other words, using the same stream cipher key.
And a software bug in a pseudo-random number routine, or a hardware bug in the hardware it runs on, may be similarly difficult to detect.
So here in the top cloud, we're choosing a truly random function. In the bottom cloud,we're just choosing a random key for a pseudo-random function.
Computational random number generators can typically generate pseudo-random numbers much faster than physical generators, while physical generators can generate"true randomness.".
So these are the weaknesses that are known of RC4 and, as a result, it's recommended that new systems actually not use RC4 andinstead use a modern pseudo-random generator.
That if I give you a pseudo-random distribution. In other words, I choose K at random, and that outputs a G of K. That distribution is computationally indistinguishable from the uniform distribution.
So now that we've seen two weak examples, let's move on to better examples, andin particular the better pseudo-random generators come from what's called the eStream Project.
Pseudo-random number sampling algorithms are used to transform uniformly distributed pseudo-random numbers into numbers that are distributed according to a given probability distribution.
He started a Geohashing wiki based on one of his comics which contains an algorithm that generates pseudo-random coordinates around the world every day.[24].
However a pseudo-random distribution generated by this generator G. Because the seed space is so small, the set of possible outputs is really, really small, it's tiny inside of, 01 to the N. And this is really all that the generator can output.
Generally, in applications having unpredictability as the paramount,such as in security applications, hardware generators are generally preferred over pseudo-random algorithms, where feasible.
Sawilowsky lists the characteristics of a high quality Monte Carlo simulation: the(pseudo-random) number generator has certain characteristics(e.g., a long"period" before the sequence repeats) the(pseudo-random) number generator produces values that pass tests for randomness there are enough samples to ensure accurate results the proper sampling technique is used the algorithm used is valid for what is being modeled it simulates the phenomenon in question.
So over the years, some weaknesses have been found in RC4, and as a result, it's recommended that new projects actually not use RC4 butrather use a more modern pseudo-random generator as we will discuss toward the end of the segment.