Method And Apparatus Using Aes Cbc For Encrypting And Decrypting A Message And To Verify The Message Integrity By Means Of Mac

  • Published: Jul 23, 2008
  • Earliest Priority: Apr 17 2007
  • Family: 9
  • Cited Works: 0
  • Cited by: 1
  • Cites: 0
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Abstract

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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Document History
  • Publication: Jul 23, 2008
  • Application: Jan 14, 2008
    EP EP 08100432 A
  • Priority: Apr 17, 2007
    KR KR 20070037601 A

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