Cloud computing matrix determinant secure outsourcing computation encryption method
An encryption method and security outsourcing technology, which is applied in the field of security outsourcing computing and encryption, to reduce time complexity and improve efficiency
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[0024] Below in conjunction with accompanying drawing and embodiment the present invention is described in detail:
[0025] Such as figure 1 As shown, a secure outsourcing calculation and encryption method of a matrix determinant in cloud computing according to the present invention includes a key module, an encryption module, a calculation module, a verification module and a decryption module, wherein the key module, the encryption module, and the verification module The decryption module and the decryption module are set on the user's local client, and the calculation module is set on the cloud server, which includes the following steps in turn:
[0026] A: The local client reads the data entered by the user and forms a matrix A:
[0027] Matrix A is a square matrix of order n; where n is a positive integer;
[0028] B: The local client preprocesses matrix A to generate encrypted matrix A 1 "":
[0029] Step B includes the following specific steps:
[0030] B1: A set ...
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