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Portable storage medium and portable storage medium issuing system

  • US 5,828,053 A
  • Filed: 05/14/1996
  • Issued: 10/27/1998
  • Est. Priority Date: 05/17/1995
  • Status: Expired due to Term
First Claim
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1. A portable storage medium issuing system for writing plural issuing data into storing regions of a portable storage medium, comprising:

  • means for storing plural secret data;

    first collating means for collating input secret data with the secret data stored in the storing means;

    collated result storage means for storing which secret data of plural secret data has been collated and agreed with secrete data stored in the storage means based on the collating result of the first collating means;

    collating condition storage means for storing plural issuing data and conditions of secret data, which are set corresponding to each of the plural issuing data and require the collation before writing into the portable storage medium, as collating conditions;

    comparing means for comparing the collating conditions stored in the collating condition storage means with the collated status stored in the collated result storage means; and

    writing means for writing issuing data in which this collating conditions are set in storing regions in the portable storage means when the collated status satisfies the collating conditions based on the result of comparison of the comparing means.

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