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List of data hashes
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
Hash_list
This is a list of hash functions, including cyclic redundancy checks, checksum functions, and cryptographic hash functions. Adler-32 is often mistaken
List_of_hash_functions
Type of data structure
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
Merkle_tree
Associative array for storing key–value pairs
is hashed and the resulting hash indicates where the corresponding value is stored. A map implemented by a hash table is called a hash map. Most hash table
Hash_table
Mapping arbitrary data to fixed-size values
output. The values returned by a hash function are called hash values, hash codes, (hash/message) digests, or simply hashes. The values are usually used to
Hash_function
Data organization and storage formats
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
List_of_data_structures
Hash function that is suitable for use in cryptography
the hash output is then hashed with the next block, creating a new hash reflecting everything to that point; again and again until the final hash reflects
Cryptographic_hash_function
Concept in cryptography
Hash-based cryptography is the generic term for constructions of cryptographic primitives based on the security of hash functions. It is of interest as
Hash-based_cryptography
Topics referred to by the same term
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
List_of_hash
Method of producing many one-time keys from a single key
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
Hash_chain
Hash function phenomenon
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
Hash_collision
Message-digest hashing algorithm
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
MD5
BitTorrent-related file format
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
Torrent_file
Computer communications authentication algorithm
cryptography, an HMAC (sometimes expanded as either keyed-hash message authentication code or hash-based message authentication code) is a specific type of
HMAC
Dish of meat, potatoes, and fried onions
Hash is a dish consisting of chopped meat, potatoes, and fried onions. The name is derived from French hacher, meaning 'to chop'. Canned corned beef hash
Hash_(food)
Computer function
c2 hash ← hash XOR remainingBytes hash ← hash XOR len hash ← hash XOR (hash >> 16) hash ← hash × 0x85ebca6b hash ← hash XOR (hash >> 13) hash ← hash ×
MurmurHash
Technique for quickly estimating similarity of sets
In computer science, SimHash is a technique for quickly estimating how similar two sets are. The algorithm is used by the Google Crawler to find near duplicate
SimHash
A hash calendar is a data structure that is used to measure the passage of time by adding hash values to an append-only database with one hash value per
Hash_calendar
Technique for selecting hash functions
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
Universal_hashing
Cryptographic hash function
Skein is a cryptographic hash function and one of five finalists in the NIST hash function competition. Entered as a candidate to become the SHA-3 standard
Skein_(hash_function)
Cryptographic hash function
BLAKE is a cryptographic hash function based on Daniel J. Bernstein's ChaCha stream cipher, but a permuted copy of the input block, XORed with round constants
BLAKE_(hash_function)
Open competition to select password hash functions
The Password Hashing Competition was an open competition announced in 2013 to select one or more password hash functions that can be recognized as a recommended
Password_Hashing_Competition
Function that derives secret keys from a secret value
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
Key_derivation_function
Hash functions intended for applications that do not need rigorous security
non-cryptographic hash functions (NCHFs) are hash functions intended for applications that do not need the rigorous security requirements of the cryptographic hash functions
Non-cryptographic hash function
Non-cryptographic_hash_function
Decentralized distributed system with lookup service
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
Distributed_hash_table
File sharing URL
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
Ed2k_URI_scheme
Technique in functional programming
In computer science, particularly in functional programming, hash consing is a technique used to share values that are structurally equal. When a value
Hash_consing
Tables comparing general and technical information for common hashes
overview of hash function security/cryptanalysis can be found at hash function security summary. Basic general information about the cryptographic hash functions:
Comparison of cryptographic hash functions
Comparison_of_cryptographic_hash_functions
System for dealing with email spam
number with a string several times and hash this new string. It then has to do so over and over until a hash beginning with a certain number of zeros
Hashcash
European Union regulation proposal on child pornography detection
their services, it will be automatically hashed on their end. Then it can be automatically compared to our hash list. Pingen 2022: "It is submitted that the
Regulation to Prevent and Combat Child Sexual Abuse
Regulation_to_Prevent_and_Combat_Child_Sexual_Abuse
Password cracking dataset
cryptographic hash function, usually for cracking password hashes. Passwords are typically stored not in plain text form, but as hash values. If such
Rainbow_table
Publicly known attacks against cryptographic hash functions
cryptographic hash functions. Note that not all entries may be up to date. For a summary of other hash function parameters, see comparison of cryptographic hash functions
Hash function security summary
Hash_function_security_summary
Random data used as an additional input to a hash function
salt is random data fed as an additional input to a one-way function that hashes data, a password or passphrase. Salting helps defend against attacks that
Salt_(cryptography)
Typographic symbol (#)
The symbol # is known as the number sign, hash, and the pound sign and has a variety of other names. The symbol has historically been used for a wide range
Number_sign
Algorithm
Rendezvous or highest random weight (HRW) hashing is an algorithm that allows clients to achieve distributed agreement on a set of k {\displaystyle k}
Rendezvous_hashing
Hash functions
Bernstein in 2012, in response to a spate of "hash flooding" denial-of-service attacks (HashDoS) in late 2011. SipHash is designed as a secure pseudorandom function
SipHash
Unincorporated community in Kentucky, United States
Rabbit Hash is an unincorporated community and census-designated place (CDP) in Boone County, Kentucky, United States. The population was 254 at the 2020
Rabbit_Hash,_Kentucky
Data structure holding key/value pairs
associative arrays. The two major solutions to the dictionary problem are hash tables and search trees. It is sometimes also possible to solve the problem
Associative_array
Cryptographic hash function
is a cryptographic hash function submitted by the France-funded research project Saphir to NIST's international competition on hash functions. The research
Shabal
Competition to develop SHA-3
NIST hash function competition was an open competition held by the US National Institute of Standards and Technology (NIST) to develop a new hash function
NIST hash function competition
NIST_hash_function_competition
Information used for message authentication and integrity checking
integrity code (MIC), and instead use checksum, error detection code, hash, keyed hash, message authentication code, or protected checksum. Informally, a
Message_authentication_code
Cryptographic attack
a collision attack on a cryptographic hash tries to find two inputs producing the same hash value, i.e. a hash collision. This is in contrast to a preimage
Collision_attack
Cryptographic signature scheme
any cryptographically secure one-way function; usually, a cryptographic hash function is used. Although the potential development of quantum computers
Lamport_signature
Cryptographic hash function
cryptographic hash function designed by Ross Anderson and Eli Biham in 1995 for efficiency on 64-bit platforms. The size of a Tiger hash value is 192 bits
Tiger_(hash_function)
Set of cryptographic hash functions
SHA-2 (Secure Hash Algorithm 2) is a set of cryptographic hash functions designed by the United States National Security Agency (NSA) and first published
SHA-2
Peer-to-peer file sharing network
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
EDonkey_network
2020 EP by Loona
[#] (read as "hash") is the second extended play by South Korean girl group Loona. It was released on February 5, 2020, by Blockberry Creative and distributed
(Hash)
Dynamic data structure
Linear hashing (LH) is a dynamic data structure which implements a hash table and grows or shrinks one bucket at a time. It was invented by Witold Litwin
Linear_hashing
Family of cryptographic hash functions
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
Secure_Hash_Algorithms
Set of cryptographic hash functions
SHA-3 (Secure Hash Algorithm 3) is the latest member of the Secure Hash Algorithm family of standards, released by NIST on August 5, 2015. Although part
SHA-3
Data structure for approximate set membership
error-free hash could be used to eliminate all unnecessary disk accesses; on the other hand, with limited memory, Bloom's technique uses a smaller hash area
Bloom_filter
Key derivation function
published in 2017, recommends PBKDF2 for password hashing. PBKDF2 applies a pseudorandom function, such as hash-based message authentication code (HMAC), to
PBKDF2
Cryptographic hash function
cryptography, SHA-1 (Secure Hash Algorithm 1) is a hash function which takes an input and produces a 160-bit (20-byte) hash value known as a message digest
SHA-1
Computer programming technique
Double hashing is a computer programming technique used in conjunction with open addressing in hash tables to resolve hash collisions, by using a secondary
Double_hashing
Cryptographic secret, not public in contrast to salt
password during hashing with a cryptographic hash function. This value differs from a salt in that it is not stored alongside a password hash, but rather
Pepper_(cryptography)
Hash function construction used in computer programs that play abstract board games
Zobrist hashing (also referred to as Zobrist keys or Zobrist signatures ) is a hash function construction used in computer programs that play abstract
Zobrist_hashing
Type of hash system
Extendible hashing is a type of hash system which treats a hash as a bit string and uses a trie for bucket lookup. Because of the hierarchical nature of
Extendible_hashing
Free peer-to-peer file sharing application for Microsoft Windows
shared using eMule is hashed as a hash list comprising separate 9500 KiB chunks using the MD4 algorithm. The top-level MD4 hash, file size, filename,
EMule
Password-based key derivation function
bcrypt is a password-hashing function designed by Niels Provos and David Mazières. It is based on the Blowfish cipher and presented at USENIX in 1999
Bcrypt
Rewriting an email message sender address
moved after her domain name (example.org), further adding a prefix (SRS0), a hash (HHH), and a timestamp (TT). This reflects an operational difference: Eventual
Sender_Rewriting_Scheme
Practice and study of secure communication techniques
digital signature. For good hash functions, an attacker cannot find two messages that produce the same hash. MD4 is a long-used hash function that is now broken;
Cryptography
System that regulates the formation of blocks on a blockchain
2004 through the idea of "reusable proof of work" using the 160-bit secure hash algorithm 1 (SHA-1). Proof of work was later popularized by Bitcoin as a
Proof_of_work
Attack model against cryptographic hash functions
preimage attack on cryptographic hash functions tries to find a message that has a specific hash value. A cryptographic hash function should resist attacks
Preimage_attack
Russian cryptographic hash function
The GOST hash function, defined in the standards GOST R 34.11-94 and GOST 34.311-95 is a 256-bit cryptographic hash function. It was initially defined
GOST_(hash_function)
Programming technique for resolving duplicate hash values in a hash table data structure
perfect hashing is a programming technique for resolving collisions in a hash table data structure. While more memory-intensive than its hash table counterparts
Dynamic_perfect_hashing
Cryptographic hash function
The elliptic curve only hash (ECOH) algorithm was submitted as a candidate for SHA-3 in the NIST hash function competition. However, it was rejected in
Elliptic_curve_only_hash
Cryptographic hash function
cryptography, Whirlpool (sometimes styled WHIRLPOOL) is a cryptographic hash function. It was designed by Vincent Rijmen (co-creator of the Advanced Encryption
Whirlpool_(hash_function)
Cryptographic hash function
The SANDstorm hash is a cryptographic hash function designed in 2008 by Mark Torgerson, Richard Schroeppel, Tim Draelos, Nathan Dautenhahn, Sean Malone
SANDstorm_hash
Method of building collision-resistant cryptographic hash functions
Merkle–Damgård construction or Merkle–Damgård hash function is a method of building collision-resistant cryptographic hash functions from collision-resistant one-way
Merkle–Damgård_construction
Microsoft network operating system
which is the LM hash. LAN Manager authentication uses a particularly weak method of hashing a user's password known as the LM hash algorithm, stemming
LAN_Manager
List of opted-out e-mail addresses
but instead send a list with one "hash" per line, each hash generated from an email address using a one-way cryptographic hash function. Internal mailing
Suppression_list
Hash table collision resolution strategy
open addressing. In a separate chaining hash table, items that hash to the same address are placed on a list (or "chain") at that address. This technique
Coalesced_hashing
Cryptographic hash function
JH is a cryptographic hash function submitted to the NIST hash function competition by Hongjun Wu. Though chosen as one of the five finalists of the competition
JH_(hash_function)
Index of articles associated with the same name
In computer science, hash trie can refer to: Hash tree (persistent data structure), a trie used to map hash values to keys A space-efficient implementation
Hash_trie
cases. This list gives those most commonly encountered with Latin script. For a far more comprehensive list of symbols and signs, see List of Unicode characters
List of typographical symbols and punctuation marks
List_of_typographical_symbols_and_punctuation_marks
Method of negotiating credentials between web server and browser
of hashing, making it non-secure unless used in conjunction with TLS. Technically, digest authentication is an application of cryptographic hashing with
Digest_access_authentication
Symbol "#!", used in computing
sequence #!, consisting of the characters number sign (also known as sharp or hash) and exclamation mark (also known as bang), at the beginning of a script
Shebang_(Unix)
Scheme that defines the format of magnet links
standard for identifying files (URN) by their content, via cryptographic hash value rather than by their location. Although magnet links can be used in
Magnet_URI_scheme
Cryptographic hash function
In cryptography, N-hash is a cryptographic hash function based on the FEAL round function, and is now considered insecure. It was proposed in 1990 in an
N-hash
Cryptography primitive
cryptographic primitive which can be used both as a hash function and a stream cipher, but its hash function mode of operation has been broken and is not
Panama_(cryptography)
Attack against cryptographical hash functions
is a type of attack where an attacker can use Hash(message1) and the length of message1 to calculate Hash(message1 ‖ message2) for an attacker-controlled
Length_extension_attack
American blogger, product consultant and speaker (born 1981)
The ITU recommendation had two design options for the hash: a European version where the hash sign was built with a 90-degree angle and a North American
Chris_Messina_(inventor)
Cryptographic hash function
Algorithm is a cryptographic hash function. It uses a Merkle tree-like structure to allow for immense parallel computation of hashes for very long inputs. Authors
MD6
Entity that issues digital certificates
certificate that used the broken MD5 hash algorithm. The authors thus was able to conduct a collision attack with the hash listed in the certificate. In 2015,
Certificate_authority
Property of cryptographic hash functions
property of cryptographic hash functions. Not all cryptographic hash functions have this property. SHA-256 is a cryptographic hash function that is thought
Puzzle_friendliness
Cryptographic hash function
RIPEMD (RIPE Message Digest) is a family of cryptographic hash functions developed in 1992 (the original RIPEMD) and 1996 (other variants). There are five
RIPEMD
Cryptographic hash function
The MD4 Message-Digest Algorithm is a cryptographic hash function developed by Ronald Rivest in 1990. The digest length is 128 bits. The algorithm has
MD4
2015 password-based key derivation function
derivation function that was selected as the winner of the 2015 Password Hashing Competition. It was designed by Alex Biryukov, Daniel Dinu, and Dmitry
Argon2
2001 single by Weezer
"Hash Pipe" is a song by American rock band Weezer. Released in April 2001, it was the first single from the band's third album, Weezer (The Green Album)
Hash_Pipe
Type of cryptographic attack
possible values of a hash function, with H = 2 l {\textstyle H=2^{l}} . With a birthday attack, it is possible to find a collision of a hash function with 50
Birthday_attack
Cryptographic hash function
Grøstl is a cryptographic hash function submitted to the NIST hash function competition by Praveen Gauravaram, Lars Knudsen, Krystian Matusiewicz, Florian
Grøstl
Probabilistic data structure in computer science
table of events in a stream of data. It uses hash functions to map events to frequencies, but unlike a hash table uses only sub-linear space, at the expense
Count–min_sketch
Phenomenon observed in hash tables
degradation in linear-probing hash tables. The phenomenon states that, as elements are added to a linear probing hash table, they have a tendency to
Primary_clustering
Obsolete cryptographic hash function
The MD2 Message-Digest Algorithm is an obsolete cryptographic hash function developed by Ronald Rivest in 1989. The algorithm is optimized for 8-bit computers
MD2_(hash_function)
Theory of cryptography
model or implement many cryptographic primitives, including cryptographic hashes, message authentication codes, mask generation functions, stream ciphers
Sponge_function
List of URLs and image hashes
The child abuse image content list (CAIC List) is a list of URLs and image hashes provided by the Internet Watch Foundation to its partners to enable
Child abuse image content list
Child_abuse_image_content_list
Cryptographic hash function
CubeHash is a cryptographic hash function submitted to the NIST hash function competition by Daniel J. Bernstein. CubeHash has a 128 byte state, uses wide
CubeHash
Metadata tag prefixed with #
A hashtag is a metadata tag operator that is prefaced by the hash symbol, #. On social media, hashtags are used on microblogging and photo-sharing services–especially
Hashtag
Hamming weight Hash collision Hash function Hash list Hash tree Induction puzzles Integrity check value Interleaving ISBN ISMN LM hash Lexicographic code
List of algebraic coding theory topics
List_of_algebraic_coding_theory_topics
String searching algorithm
Michael O. Rabin (1987) that uses hashing to find an exact match of a pattern string in a text. It uses a rolling hash to quickly filter out positions of
Rabin–Karp_algorithm
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