Asymmetrical cryptographic communication method and portable object therefor

Asymmetrical cryptographic communication method and portable object therefor

  • CN 1,178,619 A
  • Filed: 01/24/1997
  • Published: 04/08/1998
  • Est. Priority Date: 01/26/1996
  • Status: Abandoned Application
First Claim
Patent Images

1. asymmetric cryptography communication process, this process is at n element (x by ring A 1..., x n) first represented m the element (y that is worth (x) and encircles thus 1..., y m) setting up a kind of correspondence between the represented second value y, n and m are the integer more than or equal to 2, it is characterized in that:

  • -described correspondence is less than or equal to 6 A by total exponent number N+m+kOpen multinomial (the P of →

    A multivariable j) definition, thereby exist as P j(x 1..., x ny 1..., y mz 1..., z RThe equation of)=0 type, (z herein 1..., z k) be possible intermediate variable, k is an integer. -some multinomial (Pj) does not have Tj (y 1..., y n)=S j(x 1..., x n) form, herein, S jFor total exponent number is 2 multinomial, T jIt for total exponent number 1 multinomial.

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