Number sign, also known as the number, pound or hash key, a key on a telephone keypad
For its use in data structure, database and cryptographic applications, see hash function or unique key
Topics referred to by the same term
This disambiguation page lists articles associated with the title Hash key. If an internal link led you here, you may wish to change the link to point directly to the intended article.
Hashkey may refer to: Number sign, also known as the number, pound or hashkey, a key on a telephone keypad For its use in data structure, database and...
cryptography, an HMAC (sometimes expanded as either keyed-hash message authentication code or hash-based message authentication code) is a specific type...
abstract data type that maps keys to values. A hash table uses a hash function to compute an index, also called a hash code, into an array of buckets...
typically uses a cryptographic hash function or block cipher). KDFs can be used to stretch keys into longer keys or to obtain keys of a required format, such...
output. The values returned by a hash function are called hash values, hash codes, hash digests, digests, or simply hashes. The values are usually used to...
symbol # is known variously in English-speaking regions as the number sign, hash, or pound sign. The symbol has historically been used for a wide range of...
A cryptographic hash function (CHF) is a hash algorithm (a map of an arbitrary binary string to a binary string with a fixed size of n {\displaystyle...
pieces key in the info list. Instead, such a torrent file has a root_hashkey in the info list. This key's value is the root hash of the Merkle hash: { #...
Look up hash in Wiktionary, the free dictionary. Hash, hashes, hash mark, or hashing may refer to: Hash (food), a coarse mixture of ingredients Hash (stew)...
The Secure Hash Algorithms are a family of cryptographic hash functions published by the National Institute of Standards and Technology (NIST) as a U.S...
that it is only suitable as a message authentication code: a keyedhash function like hash message authentication code (HMAC). That is, SHA is designed...
the perfect hash function is in O(n) where n is the number of keys in the structure. The important performance parameters for perfect hash functions are...
is a method used to produce many one-time keys from a single key or password. For non-repudiation, a hash function can be applied successively to additional...
science, consistent hashing is a special kind of hashing technique such that when a hash table is resized, only n / m {\displaystyle n/m} keys need to be remapped...
computer science, a hash collision or hash clash is when two distinct pieces of data in a hash table share the same hash value. The hash value in this case...
is a widely used hash function producing a 128-bit hash value. MD5 was designed by Ronald Rivest in 1991 to replace an earlier hash function MD4, and...
the above picture hash 0 is the result of hashing the concatenation of hash 0-0 and hash 0-1. That is, hash 0 = hash( hash 0-0 + hash 0-1 ) where "+" denotes...
key stretching. One way is to apply a cryptographic hash function or a block cipher repeatedly in a loop. For example, in applications where the key is...
A distributed hash table (DHT) is a distributed system that provides a lookup service similar to a hash table. Key–value pairs are stored in a DHT, and...
operation for a hash table is only the computation of the key'shash, combined with accessing the corresponding bucket within the array. As such, hash tables usually...
cryptographic hash function to a public key. Since fingerprints are shorter than the keys they refer to, they can be used to simplify certain key management...
Hopscotch hashing, Robin Hood hashing, last-come-first-served hashing and cuckoo hashing move existing keys around in the array to make room for the new key. This...
: 122 Cuckoo hashing is a form of open addressing in which each non-empty cell of a hash table contains a key or key–value pair. A hash function is used...
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