System and method for transparently providing certificate validation and other services within an electronic transaction

摘要: A system and method are disclosed for transparently providing certificate validation other services without requiring a separate service request by either relying customer or subscribing customer. In preferred embodiment, after the digitally signs document (e.g., commercial such as purchase order), it forwards to trusted messaging entity which validates certificates of both respective participants they customers. If valid, appends message digitally-signed is also preferably appended receipt from transmitted this way, obtain certification their counterparty transaction.