Trust negotiation in a client/server data processing network using automatic incremenmtal credential disclosure

摘要: In client/server computing, especially in the field of e-commerce, digitally signed credentials are passed between client and server to develop trust parties. However, this requires that one party discloses its (which could be considered sensitive) other before disclosing knows anything about receiving (someone has go first). To solve problem, invention implements a negotiation credential disclosure called automatic incremental disclosure. Each held at local site is associated with an access policy which based on opposing credentials. Incoming requests for logically combined policies derive further responses.