HASH - DO PASSWORDS NEED A MAX LENGTH? - COMPUTER SCIENCE …
Jul 26, 2023 Hash algorithms are designed to produce a practically random output, so for a 24-byte (192-bit) hash, you'd need on the order of $ 2^{96} $ or $ 10^{30} $ inputs to have an … From cs.stackexchange.com
HASH - WHAT WOULD HAPPEN SHA-256 COLLISION WERE TO BE FOUND?
Nov 14, 2023 As far as I and this wikipedia page know, there are no collisions (2 inputs with the same output) found in SHA-256 (yet). what would happen if a collision were to be found, 1. … From cs.stackexchange.com
RESIZING HASHMAPS AND COMPRESSION FUNCTIONS FOR HASH CODES
I am trying to implement a hash table for string keys as part of a university project. I was able to make a basic, working implementation without major issues. I am now trying to optimize the … From cs.stackexchange.com
HASH TABLES VERSUS BINARY TREES - COMPUTER SCIENCE STACK …
In particular, if you're going to need the order on the keys, for example if you want to be able to list the keys in alphabetical order, then hash tables are no help (you'll need to sort them), whereas … From cs.stackexchange.com
HASH - HOW IS THIS THE EXPECTED NUMBER OF OF PROBES IN OPEN …
I am reading the "Introduction to Algorithms" by Thomas Cormen et al.Particularly the theorem which says that given an open-address hash table with load factor $\alpha = n/m < 1$, the … From cs.stackexchange.com
HASH TABLES - NUMBER OF PROBES IN A SUCCESSFUL SEARCH IN OPEN …
Mar 17, 2021 Given an open-address hash table with $\alpha$ < 1, the expected number of probes in a successful search is at most $\frac{1}{\alpha}\ln\frac{1}{1-\alpha}$ I read this in a … From cs.stackexchange.com
CRYPTOGRAPHY - REVERSIBLE STREAMING HASH FUNCTION - COMPUTER …
Dec 8, 2023 So the strings $1,2,3$ and $2,1,3$ are forced to have the same hash even if one is not the reverse of the other. A similar argument shows that any such hash function is not only … From cs.stackexchange.com
WHAT EXACTLY IS A HASH FUNCTION? - COMPUTER SCIENCE STACK …
The main difference between hash functions and pseudorandom number generators is that a hash function gives a unique value for each input. This is important for applications such as … From cs.stackexchange.com
TERMINOLOGY - WHAT EXACTLY (AND PRECISELY) IS "HASH?" - COMPUTER ...
Apr 5, 2016 Typically it is correct to say that the output of a hash function is a hash (aslo known as a hash value or a hash sum). However, sometimes people refer to the function itself as a … From cs.stackexchange.com
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