split key

Hello, you have come here looking for the meaning of the word split key. In DICTIOUS you will not only get to know all the dictionary meanings for the word split key, but we will also tell you about its etymology, its characteristics and you will know how to say split key in singular and plural. Everything you need to know about the word split key you have here. The definition of the word split key will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofsplit key, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.

English

Noun

split key (plural split keys)

  1. (engineering) A key split at one end like a split pin, for the same purpose.
    • 1869, Cameron Knight, The Mechanician and Constructor for Engineers:
      A split pin is also a split key, because both are used to lock or fasten pieces of machinery together.
    • 1907, Official Gazette of the United States Patent Office, page 1292:
      In a rail-stay, the combination of a bar, with rail-clamping means associated with the bar at each end, a spilt key to hold said means in engagement with the rail flange, and a fixed projection to force the leaves of the split key apart.
    • 1914, Dominion Law Reports - Volume 14, page 703:
      I am of the opinion, upon the evidence, that, although provision was made in the bolt for the split key, as a matter of fact no split key had ever been inserted.
  2. (computing) A key value used to identify where to split the children of a parent node in a B-tree or similar data structure.
    • 1990, Hector Garcia-Molina, H. V. Jagadish, Proceedings of the 1990 ACM SIGMOD International Conference on Management of Data., page 353:
      As with B+-trees, records with keys greater than or equal to the split key go to a new current node, records with keys less than the split key remain in the original node.
    • 2014, Jason Venner, Sameer Wadkar, Madhu Siddalingaiah, Pro Apache Hadoop, →ISBN, page 310:
      The region is split into two logical daughter regions. The split is not done physically at this point to make the splitting process fast. The split is maintained as a split key, which is a key in the middle of the key range maintained for the region.
    • 2016, Christopher G. Healey, Disk-Based Algorithms for Big Data, →ISBN:
      Take the key in the parent node that splits the left sibling and the leaf, the split key, and insert it into the leaf.
  3. (cryptography) A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.
    • 1997, Cryptography and Privacy Sourcebook, →ISBN, page 15:
      Moreover, even those systems (such as split key systems) that can decrease these risks, do so with a marked increase in cost.
    • 2007, Matt Blaze, Financial Cryptography, →ISBN, page 233:
      A toolkit for split key cryptography in and of itself is (almost) a byproduct of developing ultra-high assurance applications such as root certifying authorities.
    • 2014, Michel Abdalla, Roberto De Prisco, Security and Cryptography for Networks, →ISBN, page 45:
      Camenisch et al. define, among other things, split key exchange and give a construction based on the decisional Diffie-Hellman assumption.
Wikious
Boobota
Sagapedia