Signature authentication system and method based on SM2 encryption and decryption algorithm
An encryption and decryption algorithm and algorithm technology, applied in the field of signature verification system based on SM2 encryption and decryption algorithm, can solve the problems of slow operation speed, poor compatibility, poor security, etc., to improve security, improve operation speed, strong reliability control effect
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[0040] The present invention will be further described below in conjunction with specific embodiment:
[0041] See attached Figure 1-2 As shown, a signature verification system based on the SM2 encryption and decryption algorithm described in this embodiment includes a software module 1 and a hardware module 2; the hardware module 2 includes an operation module 3, a register 4 and a random number generator 5; in,
[0042] Described random number generator 5, produces the random number that is used for algorithm, carries out the symmetric key that encrypts and decrypts plain cipher text respectively, the receiver's public key and private key that respectively carry out encryption and decryption to symmetric key and digest and respectively Digital signature for encryption and decryption of the sender's private key and public key;
[0043] Calculation module 3, used for computing the algorithms of SM2, SM3 and SM4 in the encryption and decryption process;
[0044] The softwar...
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