Mass transmission method and device based on elliptic curve
An elliptic curve, transmission method technology, applied in the field of data decryption
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no. 1 example
[0153] On the basis of research on the scheme of inadvertent electronic envelope based on RSA, the present invention proposes a dazed transmission method based on elliptic curve to improve it.
[0154] Such as figure 1 As shown, it is a flow chart of the method of the present invention. The present invention provides a method of dazed transmission based on elliptic curves, comprising the following steps:
[0155] S1: The recipient uses a random algorithm to generate a private key d, and generates a public key Q based on the SM2 elliptic curve;
[0156] S2: The sender constructs multiple choice information, each choice information includes identification and information content, and only sends the identification list of the multiple choice information to the receiver;
[0157] S3: The receiver selects an identifier from the identifier list, assigns an identifier value to the selected identifier, and encrypts the selected identifier and identifier value using an elliptic curve ...
no. 3 example
[0220] In this embodiment, the key is encrypted and decrypted, which is realized by performing an XOR operation on the key, and the length of the selection information is extended. The difference from the first embodiment is that in this embodiment, in step S1, The receiver uses a random algorithm to generate the initial private key d, and generates the initial public key Q based on the elliptic curve algorithm, and uses another method in steps S4 and S5 to realize the process of this scheme. The specific steps are as follows:
[0221] S4": The sender uses the elliptic curve algorithm to generate a key pair for each piece of selection information, uses the public key in the key pair to encrypt the corresponding selection information, and uses the encryption parameters and the initial public key Q to encrypt each The private key in the key pair is encrypted, and the ciphertext is generated based on all encrypted selection information and private key and sent to the receiver:
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