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Hash list information


In computer science, a hash list is typically a list of hashes of the data blocks in a file or set of files. Lists of hashes are used for many different purposes, such as fast table lookup (hash tables) and distributed databases (distributed hash tables).

A hash list with a top hash

A hash list is an extension of the concept of hashing an item (for instance, a file). A hash list is a subtree of a Merkle tree.

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Hash list

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In computer science, a hash list is typically a list of hashes of the data blocks in a file or set of files. Lists of hashes are used for many different...

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List of hash functions

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This is a list of hash functions, including cyclic redundancy checks, checksum functions, and cryptographic hash functions. Adler-32 is often mistaken...

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Cryptographic hash function

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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...

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Merkle tree

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generalization of a hash list and a hash chain. Demonstrating that a leaf node is a part of a given binary hash tree requires computing a number of hashes proportional...

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Hash table

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In computing, a hash table, also known as a hash map or a hash set, is a data structure that implements an associative array, also called a dictionary...

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Hash collision

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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...

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Torrent file

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256 KiB = 262,144 B. pieces—a hash list, i.e., a concatenation of each piece's SHA-1 hash. As SHA-1 returns a 160-bit hash, pieces will be a string whose...

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Hash function

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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...

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List of hash

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List of hash may refer to: Hash list List of hash functions This disambiguation page lists articles associated with the title List of hash. If an internal...

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List of data structures

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Distributed hash table Double hashing Dynamic perfect hash table Hash array mapped trie Hash list Hash table Hash tree Hash trie Koorde Prefix hash tree Rolling...

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Hash chain

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A hash chain is the successive application of a cryptographic hash function to a piece of data. In computer security, a hash chain is a method used to...

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Hashish

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Hashish (Arabic: حشيش, (IPA: [ħæʃiːʃ])), commonly shortened to hash, is an oleoresin made by compressing and processing parts of the cannabis plant, typically...

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Ed2k URI scheme

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modifications. This method of hashing allows the recipient to verify that a hash list corresponds to an original eD2k file hash, without the need to actually...

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HMAC

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cryptography, an HMAC (sometimes expanded as either keyed-hash message authentication code or hash-based message authentication code) is a specific type of...

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MD5

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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...

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SipHash

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response to a spate of "hash flooding" denial-of-service attacks (HashDoS) in late 2011. SipHash is designed as a non-cryptographic hash function. Although...

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Comparison of cryptographic hash functions

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overview of hash function security/cryptanalysis can be found at hash function security summary. Basic general information about the cryptographic hash functions:...

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Number sign

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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...

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MurmurHash

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c2 hashhash XOR remainingBytes hashhash XOR len hashhash XOR (hash >> 16) hashhash × 0x85ebca6b hashhash XOR (hash >> 13) hashhash ×...

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Secure Hash Algorithms

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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...

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Universal hashing

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computing, universal hashing (in a randomized algorithm or data structure) refers to selecting a hash function at random from a family of hash functions with...

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EDonkey network

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and hashing the result. In cryptographic terms, the list of MD4 checksums is a hash list, and the file identification checksum is the root hash, also...

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Distributed hash table

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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...

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Rainbow table

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cryptographic hash function, usually for cracking password hashes. Passwords are typically stored not in plain text form, but as hash values. If such...

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Key derivation function

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passphrase using a pseudorandom function (which typically uses a cryptographic hash function or block cipher). KDFs can be used to stretch keys into longer keys...

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