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In the asymptotic setting, a family of deterministic polynomial time computable functions : {,} {,} for some polynomial p, is a pseudorandom number generator (PRNG, or PRG in some references), if it stretches the length of its input (() > for any k), and if its output is computationally indistinguishable from true randomness, i.e. for any probabilistic polynomial time algorithm A, which ...
Protocol Buffers (Protobuf) is a free and open-source cross-platform data format used to serialize structured data. It is useful in developing programs that communicate with each other over a network or for storing data.
In theoretical computer science and cryptography, a pseudorandom generator (PRG) for a class of statistical tests is a deterministic procedure that maps a random seed to a longer pseudorandom string such that no statistical test in the class can distinguish between the output of the generator and the uniform distribution.
Assume that an attacker has observed two messages C 1 and C 2 both encrypted with the same key and IV. Then knowledge of either P 1 or P 2 reveals the other plaintext since C 1 xor C 2 = (P 1 xor K) xor (P 2 xor K) = P 1 xor P 2. Many schemes require the IV to be unpredictable by an adversary. This is effected by selecting the IV at random or ...
WASHINGTON (Reuters) -U.S. President Joe Biden spoke on Sunday with Israeli Prime Minister Benjamin Netanyahu, the White House said, as U.S. officials race to reach a Gaza hostage and ceasefire ...
An algorithm is fundamentally a set of rules or defined procedures that is typically designed and used to solve a specific problem or a broad set of problems.. Broadly, algorithms define process(es), sets of rules, or methodologies that are to be followed in calculations, data processing, data mining, pattern recognition, automated reasoning or other problem-solving operations.
Unfortunately, these kinds of meals – chock-full of the fake foods RJK seeks to eliminate – are the most damaging to our health. Last year, nearly 80% of Americans reported feeling too tired ...
A federal judge in Boston on Monday continued his pause of the Trump administration's unprecedented plan to get millions of federal workers to resign until he responds "to the issues presented." U ...