PKI History (mid 80�s to mid 90�s)

• Mid to late 80�s when X.500 was all the rage

  • strict hierarchy
  • global root CA
  • no need for cross-certification

• Technical Issues

  • Lack of standards
  • Lack of collective interpretation of standards (profiles)
  • Lack of products
  • Complete mismatch of products and levels of standards

• Business Issues

  • Lack of understanding of risk/liability
  • Lack of understanding of applications
  • Lack of cost justification

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