SEARCH Articles Figures Tables Conventional Definitions of Fail-Stop Signature Schemes and General Reductions Digital signature scheme Dual invisible signature scheme Example of interface events and entities if an ordinary digital signature scheme is modeled Existing fail-stop signature schemes, classified according to risk bearers Fail signature scheme Fail-Stop Signature Schemes Fail-Stop Signature Schemes with Prekey Fail-stop signature scheme with bottom-up tree authentication Fail-stop signature scheme with top-down tree authentication Full fail-stop signature scheme History of Digital Signature Schemes Invention of Digital Signature Schemes Invisible Signature Schemes with Dual Security Lower Bounds on Information-Theoretically Secure Signature Schemes Normal Signature Schemes with Dual Security One New Type Fail-Stop Signature Schemes Ordinary digital signature scheme Possible and correct invisible signatures in existing schemes Requirements on Digital Signature Schemes Secure standard fail-stop signature scheme Signature Signature-Related Schemes Special Signature Schemes Standard fail-stop signature scheme Standard ordinary digital signature scheme