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- Hash_list abstract "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). This article covers hash lists that are used to guarantee data integrity.A hash list is an extension of the old concept of hashing an item (for instance, a file). A hash list is usually sufficient for most needs, but a more advanced form of the concept is a hash tree.Hash lists can be used to protect any kind of data stored, handled and transferred in and between computers. An important use of hash lists is to make sure that data blocks received from other peers in a peer-to-peer network are received undamaged and unaltered, and to check that the other peers do not "lie" and send fake blocks. Usually a cryptographic hash function such as SHA-1 is used for the hashing. If the hash list only needs to protect against unintentional damage less secure checksums such as CRCs can be used.Hash lists are better than a simple hash of the entire file since, in the case of a data block being damaged, this is noticed, and only the damaged block needs to be redownloaded. With only a hash of the file, many undamaged blocks would have to be redownloaded, and the file reconstructed and tested until the correct hash of the entire file is obtained. Hash lists also protect against nodes that try to sabotage by sending fake blocks, since in such a case the damaged block can be acquired from some other source.".
- Hash_list thumbnail Hash_list.svg?width=300.
- Hash_list wikiPageID "2497149".
- Hash_list wikiPageRevisionID "555197087".
- Hash_list hasPhotoCollection Hash_list.
- Hash_list subject Category:Cryptographic_hash_functions.
- Hash_list subject Category:Error_detection_and_correction.
- Hash_list subject Category:Hashing.
- Hash_list type Abstraction100002137.
- Hash_list type CryptographicHashFunctions.
- Hash_list type Function113783816.
- Hash_list type MathematicalRelation113783581.
- Hash_list type Relation100031921.
- Hash_list comment "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). This article covers hash lists that are used to guarantee data integrity.A hash list is an extension of the old concept of hashing an item (for instance, a file).".
- Hash_list label "Hash list".
- Hash_list label "Hash list".
- Hash_list sameAs Hash_list.
- Hash_list sameAs m.07h_74.
- Hash_list sameAs Q5678858.
- Hash_list sameAs Q5678858.
- Hash_list sameAs Hash_list.
- Hash_list wasDerivedFrom Hash_list?oldid=555197087.
- Hash_list depiction Hash_list.svg.
- Hash_list isPrimaryTopicOf Hash_list.
