This tool adopts the SM2 signature algorithm recommended by the State Secret Bureau. The SM2 signature algorithm is a digital signature algorithm based on the elliptic curve cryptography system and is one of the national secret standards formulated by the State Cryptography Administration of China. The security of the SM2 signature algorithm is based on the elliptic curve discrete logarithm problem, which has higher security and efficiency than other signature algorithms. Users only need to enter the data to be signed and the corresponding private key to complete the signature process.
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