An Error Sampling Method for Lattice Public Key Cryptography
A public-key cryptography and error technology, applied in the field of cryptography, can solve the problems of narrow sampling parameter selection range, low security, and reduced security, and achieve the effect of wide parameter selection range, clear security calculation, and great flexibility
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[0024] In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.
[0025] see figure 1 , this embodiment provides an error sampling method for lattice public key cryptography, and the error sampling method includes the following steps:
[0026] Step 1. Receive the input parameter k 1 ,k 2 , indicating that the result of the sampling algorithm needs to run k 1 Sub-binomial distribution sampling module w...
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