Abstract
As a kind of special MDS erasure coding, regenerating codes are firstly used to solve the fault-tolerant problem in distributed storage systems. This paper constructs a new kind of secret sharing algorithm based on regenerating codes. The main process is that the original secret data is firstly stripped and coded with MDS erasure coding algorithm, then the vector components are periodically distributed to secret sharers in a certain order. The secret data can be rebuilt by decoding algorithm of regenerating codes if there are enough shares of the secret. Theoretical analysis shows that the algorithm is a safe threshold scheme. Because the operations are mainly linear on small finite field and its computation cost is low, so it is easy to realize.
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