Digital signature method, signature verification method and device based on GRS code
A digital signature, to-be-verified technology, applied in the field of information security, can solve the problems affecting the practicability of the cryptographic system, the large amount of key storage, insecurity, etc., to achieve high feasibility, improve security, and improve efficiency.
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[0053] The present invention will be described in further detail below in conjunction with specific examples, but the embodiments of the present invention are not limited thereto.
[0054] In order to realize a digital signature with high security performance and high signature verification efficiency, the embodiment of the present invention provides a digital signature method based on a GRS code, a signature verification method and a device thereof.
[0055] Before the specific description, the problems in the prior art involved in the solution of the present invention and the improvement idea of the present invention will be introduced in detail.
[0056] The traditional CFS signature scheme uses public key cryptography based on error-correcting codes, which can effectively resist quantum attacks, but at the same time, the traditional CFS signature scheme uses a binary Goppa code-based signature scheme, which will result in a large amount of public keys and poor practicabil...
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