ANSI/X9 X9.45-1999

Defines strategies for reducing the security and financial risks associated with electronic business systems using digital signatures. Attribute certificates would be used to convey authorizations and restrictions that inform verifiers when an entitys signature would be considered valid. Attributes might include specified dollar amounts, cosignature requirements, preapproved counterparties, confirm to (address), and time of day. The benefits of this standard are cost reduction, enhanced security, greater manageability, and greater flexibility for business transactions.This standard was first listed for public review in the June 5, 1998 issue of Standards Action. It is being resubmitted due to substantive changes to the text.