- Hash key
Hash key can have several meanings.
* For its use to describe the key on a telephone keypad, see
number sign .
* For its use in data base and cryptographic applications, seehash function .
Wikimedia Foundation. 2010.
Hash key can have several meanings.
* For its use to describe the key on a telephone keypad, see
* For its use in data base and cryptographic applications, see
Wikimedia Foundation. 2010.
hash — UK US /hæʃ/ noun [U] (UK IT, COMMUNICATIONS ► a key on a computer keyboard or a phone with the symbol #: »The code is hash two five zero. »Please press the hash key to continue … Financial and business terms
Key strengthening — In cryptography, key strengthening or key stretching refer to techniques used to make a possibly weak key, typically a password or passphrase, more secure against a brute force attack by increasing the time it takes to test each possible key.… … Wikipedia
hash sign — noun /hæʃ saɪn/ the number sign (). Syn: hash key, hash, number sign, octothorn, octothorpe, pound sign, sharp sign … Wiktionary
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Key generation — is the process of generating keys for cryptography. A key is used to encrypt and decrypt whatever data is being encrypted/decrypted.Modern cryptographic systems include symmetric key algorithms (such as DES and AES) and public key algorithms… … Wikipedia
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Hash table — Not to be confused with Hash list or Hash tree. Unordered map redirects here. For the proposed C++ class, see unordered map (C++). Hash Table Type unsorted dictionary Invented 1953 Time complexity in big O notation Average Worst case Space … Wikipedia
Hash function — A hash function is any well defined procedure or mathematical function for turning some kind of data into a relatively small integer, that may serve as an index into an array. The values returned by a hash function are called hash values, hash… … Wikipedia
Hash tree — A binary hash tree In cryptography and computer science Hash trees or Merkle trees are a type of data structure[citation needed] which contains a tree of summary information about a larger piece of da … Wikipedia