Digital abstract forming device and method, and CA signing system and method

Digital abstract forming device and method, and CA signing system and method

  • CN 1,885,769 A
  • Filed: 06/23/2005
  • Published: 12/27/2006
  • Est. Priority Date: 06/23/2005
  • Status: Active Application
First Claim
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1. a digital abstract forming device is used for calculating digital digest according to raw information, and it comprises:

  • One raw information converter is used for raw information is carried out simple functional transformation, the information after the acquisition conversion;

    AndOne digital digest calculator, the information after utilizing hashing algorithm to conversion is carried out the hash computing, obtains the digital digest of digital abstract forming device.

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