Safety method and system based on asymmetric secret key pair

Abstract

The invention discloses a safety method and system based on an asymmetrical secret key pair, relates to the technical field of computer application and is used for simplifying the operation process of the asymmetrical secret key pair and ensuring the safety of a COS (Chip Operating System). The safety method comprises the steps of generating a certificate and the asymmetrical secret key pair corresponding to the certificate according to a generation instruction, wherein the asymmetrical secret key pair comprises a public secret key and a private secret key which are corresponding; storing the certificate in a certificate memory; storing the public secret key, a private secret key unique identifier and a certificate unique identifier in a first memory; storing a public secret key unique identifier, the certificate unique identifier and the private secret key in a second memory; associating the private secret key unique identifier with the private secret key, and associating the certificate unique identifier with the certificate; associating the public secret key unique identifier with the public secret key; carrying out mutual signal connection on the certificate memory, the first memory and the second memory; and applying the generated asymmetrical secret key pair and certificate. The method and the system are used for encrypting or decrypting data.

Description

technical field [0001] The invention relates to the application field of computer technology, in particular to a security method and system based on an asymmetric key pair. Background technique [0002] With the development and application of Internet of Things and ubiquitous network technologies, information security in the network environment is particularly important. At present, the core of ensuring information security lies in the key management of the cryptographic system, and the resulting security authentication and encrypted communication system, such as using asymmetric key pairs to protect information security. [0003] Specifically, the asymmetric key pair includes a pair of different keys (public key and private key). If the public key is used to encrypt data, only the corresponding private key can be used to decrypt it; If the data is encrypted, only the corresponding public key can be used to decrypt it. It can be seen from the above that the public key and ...

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Problems solved by technology

[0004] However, since the storage locations of the public key and the private key are different, the processing of the public key and the private key cannot be completed at one time, which makes the process of operating the asymmetric key pair complicated; During the operation of the private key, data residues are likely to occur, and these residual data will interfere with the pairing of other public keys or private keys, thereby affecting the management of the chip operating system (Chip Operating System, hereinafter referred to as COS)

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