The process of using a formula or performing a calculation to determine the location (position) where a record will be placed on disk 9 7-8
Hashing means producing hash values, also called digests, for accessing data or for security A hash value (or digest) is a number generated from a string of text The hash value is substantially smaller than the text itself, and is generated by a formula in such a way that it is extremely unlikely that some other text will result in the same hash value Hashing can be used to check the integrity of data: if someone produces a hash value and sends it along with the message, the receiver can produce a hash value on receipt of the message If the receiver's hash matches the one that was sent along with the message, the original message has not been changed
A process that help generate aliases for long file names For instance, Windows NT uses a hashing process to generate characters three through five of the file name, after it encounters four file names having the same first six characters and extension
The method by which items are placed into, and retrieved from, a file Each item-id is put through a hashing algorithm that mathematically determines which group in the file to look for, or put, an item An alternate to the industry-standard ISAM (Incredibly Slow Access Method)
A form of ECM that Direct TV uses which causes a illegally altered Access Card to lose video, and possibly audio
Link sequences are of length log n Hashing is a method which overcomes the log n barrier The idea is that the position of a key within the data structure is computed directly from the value of the key
The conversion of a column's primary key value to a database page number on which the row will be stored Retrieval operations that specify the key column value use the same hashing algorithm and can locate the row directly Hashing provides fast retrieval for data that contains a unique key value
In like manner, we shall represent human nature at first to the keen appetite of our reader, in that more plain and simple manner in which it is found in the country, and shall hereafter hash and ragoo it with all the high French and Italian seasoning of affectation and vice which courts and cities afford.
A mathematical algorithm applied to a message or file The resulting output, "hash value" is part of a message digest, used to verify the integrity of the data Sample has algorithms: MD5, DS4, SHA-1, MAC
An algorithm that maps or translates one set of bits into another (generally smaller) set in such a way that: A message yields the same result every time the algorithm is executed using the same message as input It is computationally infeasible for a message to be derived or reconstituted from the result produced by the algorithm It is computationally infeasible to find two different messages that produce the same hash result using the same algorithm
This is a small, fixed length value generated by a function that has the property that different values for the data result in different hash values The hash is encrypted using a private key to create the digital signature
Data structure in Ruby which expresses the mapping from key to value It is also called "Associative Array" or "Dictionary" The derivation of hash is the algorithm which is called "Hash table" in the achievement of the structure The word "hash" means "cut in pieces", of "hashed beef" -SugHimsi
A dish of chopped pork or beef combined with various chopped up vegetables and seasonings Hash is often thought of as a dish that you throw into it whatever is left in the kitchen In the 19th century, cheap restaurants were called "hash houses" and the workers in these restaurants were called "hash slingers "
Also called "hash function" or hashing, used extensively in many encryption algorithms Hashing transforms a string of characters usually into a shorter, fixed-length value or key Information in a database is faster to search when you use a hashed key, than if you were to try to match the original data
A fixed-size result obtained by applying a one-way mathematical function (called a hash or message digest function) to an arbitrary amount of data Given a change in the input data, the resulting hash changes A hash is also called a message digest
A hash function is a function that easily calculates a hash value but, conversely, makes it difficult to work out the input from the value SHA-1 is a well-known hash algorithm that can be used in the XML signature Digest value calculation
(A) A mess, a muddle; as, "a pretty hash he made of it " A hash is a mess, and a mess is a muddle I'll soon settle his hash for him I will soon smash him up; ruin his schemes; "give him his gruel"; `cook his goose"; "put my finger in his pie"; "make mince-meat of him " (See Cooking )
A mathematical formula that converts a message of any length into a unique fixed-length string of digits (typically 160 bits) known as "message digest" that represents the original message A hash is a one-way function - that is, it is infeasible to reverse the process to determine the original message Also, a hash function will not produce the same message digest from two different inputs
The callback used to compute a hash code for keys as they are used to access, add, or remove values in the dictionary If NULL, the collection computes a hash code by converting the pointer value to an integer See CFDictionaryHashCallBack for a description of this callback
From the French hatcher, which means "to chop," hash is a dish of chopped meat, usually roast beef or corned beef, combined with vegetables and seasonings and sautéed until lightly browned It is frequently served with a sauce or gravy
A one-way function that produces a message digest - a unique value - that is extremely difficult to reverse, making it correspondingly difficult to produce the original The resulting value is then encrypted using the sender's signing private key to authenticate the source of the message
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