Decryption system, method, device, electronic equipment and storage medium

Abstract

The embodiment of the present application provides a decryption system, method, device, electronic equipment, and storage medium. The technical solution provided by the embodiment of the present application relies on a decryption system including n decryption devices, a first server, and a second server. The first The server determines n private keys and corresponding private key parameters and distributes them to n decryption devices; the second server randomly selects k first decryption devices from n decryption devices to participate in the decryption task, and triggers k first decryption devices Each device determines its own decryption parameters based on its own private key and k private key parameters, and selects one of the k first decryption devices as the second decryption device; the second decryption device performs a decryption operation based on the k decryption parameters. Since the private key required to decrypt the ciphertext data is distributed in multiple decryption devices, the decryption requires the participation of multiple decryption devices, which increases the difficulty of cracking by the attacker, effectively avoids the leakage of the private key, and improves data security.

Description

technical field [0001] The embodiments of the present application relate to the field of computer application technology, and in particular to a decryption system, method, device, electronic equipment, and storage medium. Background technique [0002] The National Commercial Cryptography Standard Algorithm SM9 issued by the State Cryptography Administration is an Identity-Based Cryptography (IBC) algorithm. public key, which omits the process of exchanging digital certificates and public keys, making the security system easy to deploy and manage. It is very suitable for end-to-end offline secure communication, cloud data encryption, attribute-based encryption, and policy-based encryption. Various occasions. [0003] At present, the private key used to decrypt the ciphertext data is generally stored locally in the decryption device. When the decryption device receives the ciphertext data, it obtains the locally stored private key to decrypt the ciphertext data. However, if t...

AI Technical Summary

Problems solved by technology

However, if the decryption device is invaded by an attacker, it is easy to cause the private key to be leaked, thereby affecting the security of the data

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