Implementation for Electronic Seal-Stamping Using Self-Certified Public Key in E-Commerce

Bill/contract in e-commerce must be seal-stamped to gain tamper-proof and non-repudiation. In this paper, we present a digital signature scheme using self-certified public key. Based on proposed digital signature scheme, we develop an ActiveX seal-stamping control. As compared with seal-stamping control designed based on the certificate-based public key, the control has the advantage that the authentication of the public key can be accomplished with the verification of the signature, thus is more efficient for generating and verifying signatures in terms of computational efforts and communication costs. Web page electronic seal-stamping system is implemented which has been adopted by CNBAB e-commerce platform since Mar., 2008.