Substantiv
A key split at one end like a split pin, for the same purpose.
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A split pin is also a split key, because both are used to lock or fasten pieces of machinery together.
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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.
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.
A key value used to identify where to split the children of a parent node in a B-tree or similar data structure.
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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.
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.
Take the key in the parent node that splits the left sibling and the leaf, the split key, and insert it into the leaf.
A cryptographic key that is divided into two or more values that individually cannot be used to deduce the entire key.
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Moreover, even those systems (such as split key systems) that can decrease these risks, do so with a marked increase in cost.
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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.
Camenisch et al. [CCGS10] define, among other things, split key exchange and give a construction based on the decisional Diffie-Hellman assumption.