Signature verification method, device and system

Abstract

The embodiments of the invention provide a signature verification method, device and system. The method here includes the following steps: a transmitting end determining a signature of a to-be-transmitted message based on a prive key and a digital signature algorithm; a console verifying the message and the signature based on a public key and the digital signature algorithm, if the public key and the private key correspond, the console determining the verification code of the message based on a preset secret key, wherein it is much easier to determine the algorithm used for the verification code than to determine the digital signature algorithm, the console and the transmitting end have digital signature functions; a receiving end verifies the message based on the verification code and acquiring the message, wherein the receiving end is an embedded system. According to the embodiments of the invention, the console replaces the receiving end to execute digital signature algorithm, such that the receiving end can verify data without having to use complex digital signagure algorithm. Therefore, according to the embodiments of the invention, the method here can guarantee that the data received by the low-cost hardware receiving end is genuine and complete.

Description

technical field [0001] The present application relates to the communication field, and more specifically, to a signature verification method, device and system in the communication field. Background technique [0002] Digital signature technology is widely used in the security field, which can enable the receiver to effectively verify the authenticity and non-repudiation of data. The digital signature algorithm may be, for example, an RSA public key cryptography algorithm, an elliptic curve cryptography (Elliptic curve cryptography, ECC) algorithm, and the like. And, because the hash Hash function can guarantee the integrity of the input data, usually digital signature technology combined with the Hash function can guarantee the integrity, authenticity and non-repudiation of the data. [0003] The digital signature algorithm is usually a large number operation, which consumes a lot of CPU running time. In order to reduce costs, embedded systems cannot use high-performance ...

AI Technical Summary

Problems solved by technology

[0003] The digital signature algorithm is usually a large number operation, which consumes a lot of CPU running time

In order to reduce costs, embedded systems cannot use high-performance processing hardware and do not have the ability to execute digital signatures

In embedded systems that require reliability and security guarantees, in order to protect the authenticity and integrity of data, related security measures such as digital signatures and verifications need to be used, but this will inevitably require additional costs

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