Examples of using The hash function in English and their translations into Chinese
{-}
-
Political
-
Ecclesiastic
-
Programming
In general, the hash function Hk is defined as:.
And that is the job of the hash function.
The hash function needs to meet two security requirements:.
As we stated earlier, if the hash function is perfect, collisions will never occur.
The hash function should be capable of returning the hash of input quickly.
Different input stringswill usually produce different hashes(depending on the hash function).
This way the hash function covers all your hash space uniformly.
If such complexity is the best that can be achieved by an adversary,then the hash function is considered preimage-resistant.
It is the hash function algorithm of NSA which was first published in 2001.
It's not random-every time you put in that particular data set through the hash function, you will get the same 64-character string.
The hash functions used in a Bloom filter should be independent and uniformly distributed.
If the Hash function creates enough small-sized buckets then the time complexity is O(M+N).
It's not random-every time you put in that particular data set through the hash function, you will get the same 64-character string.
For every call to the hash function, and in practice you can just look it up in a standards document.
As for the information in the ledger,the timestamping scheme is Proof of work and the hash function works with scrypt.
This hash is not random because everytime you plug in that particular data set through the hash function, you will see the same 64-character string.
With complex objects, the hash function is typically not applied to the whole object, but to a key instead.
The hash functions that are used in various security related applications are called cryptographic hash functions. .
Summation process is called hashing, the method itself is the hash function and the resulting number is a hash sum or simply hash. .
The hash function may also take multiple inputs, which mean you can get a random number for a given 2D or 3D coordinate:.
But, if you don't take care of the hash function of the key, you might end up with very slow put() and get() calls.
Thus the hash functions application in blockchain is to guarantee the integrity of the whole chain of transactions.
Miners rerun the hash function until one of them generates a hash value that matches the specified target.
The hash function's result cannot be determined in advance, nor can a pattern be created that will produce a specific hash value.
The hash function is perfect, which means that the hash table has no collisions, and the hash table lookup needs a single string comparison only.
This requires that the hash function is collision-resistant, which means that it is very hard to find data that will generate the same hash value.
Solutions which update the hash function any time the set is modified are known as dynamic perfect hashing, but these methods are relatively complicated to implement.
The hashing function used in IOTA is called Curl.