Extended weighted threshold ocean remote sensing image secret sharing scheme in cloud environment and method
A technology of secret sharing and ocean remote sensing, which is applied in the fields of instruments, electronic digital data processing, digital data protection, etc. It can solve the problems of low information utilization rate and large amount of calculation data, so as to enhance security and flexibility and ensure integrity Effect
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[0045] In order to be able to describe the technical content of the present invention more clearly, further description will be given below in conjunction with specific embodiments.
[0046] The weighted threshold ocean remote sensing image secret sharing method of the extended Mignotte column in the cloud environment proposed by the present invention first constructs the Mignotte sequence, and expands on this basis, constructs the equivalent O-Mignotte sequence, and calculates the α and β values Determine the number of bits in each secret segment. A hash algorithm based on the gray value of the image is used to calculate the hash value of the secret image block, and the size of the secret image segment is adjusted. Then use the method based on the Chinese Remaining Theorem to quantify the secret segment to obtain the shadow image, and store the generated shadow image in the cloud environment. Different participants can only access a secret share with a designated permission. Wh...
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