variable-length word

variable-length word

[′ver·ē·ə·bəl ¦leŋkth ′wərd]
(computer science)
A computer word whose length is determined by the programmer.
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We also can use hash function to map the variable-length words into the fixed-length words.
1) Proposed solution based on secret sharing Let t = 3, n = 5, [p.sub.1] = 5, [p.sub.2] = 7, [p.sub.3] = 11, [p.sub.4] = 13, [p.sub.5] = 17, then [alpha] = [[PI].sup.t.sub.i=1] [p.sub.i] = 385 and [beta] = [[PI].sup.t-2.sub.i=0][p.sub.n-i] = 221; The "preprocessing" includes using MD5 hash function to transform the variable-length words to fixed-length words so that each word satisfies the condition of (3, 5)-threshold secret sharing.
2) Existing work based on Paillier cryptosystem The "preprocessing" includes using MD5 hash function to transform the variable-length words to fixed-length words so that each word satisfies the condition of Paillier cryptosystem, which is detailed below.
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