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Method and apparatus using AES CBC for encrypting and decrypting a message and to verify the message integrity by means of MAC
Method and apparatus using AES CBC for encrypting and decrypting a message and to verify the message integrity by means of MAC
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机译:使用AES CBC加密和解密消息并通过MAC验证消息完整性的方法和装置
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摘要
A method of encrypting a message for message integrity is provided. In the method, a random number is generated, a first ciphertext is generated by encrypting the message by using the generated random number, a hash value of the first ciphertext is calculated, an encryption key is generated by using the hash value of the first ciphertext and a shared key, a second ciphertext is generated by encrypting the random number by using the encryption key, and the first and second ciphertexts are combined.
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