Optimized Certificates --- A New Proposal for Efficient Electronic Document Signature Validation

Authors:
Ricardo Felipe Custódio;Martín A. Vigil;Juliano Romani;Fernando Carlos Pereira;Joni Silva Fraga
Affiliations:
Laboratório de Segurança em Computação (LabSEC), Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brasil 88040-900;Laboratório de Segurança em Computação (LabSEC), Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brasil 88040-900;Laboratório de Segurança em Computação (LabSEC), Universidade Federal de Santa Catarina (UFSC), Florianópolis, Brasil 88040-900;Programa de Ps-Graduação em Engenharia Elétrica, Universidade Federal de Santa Catarina (UFSC),;Programa de Ps-Graduação em Engenharia Elétrica, Universidade Federal de Santa Catarina (UFSC),
Venue:
EuroPKI '08 Proceedings of the 5th European PKI workshop on Public Key Infrastructure: Theory and Practice
Year:
2008

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Abstract

Optimized certification is a new method for efficient certificate path verification and digital signing. The basic idea is to issue special certificates (called optimized certificates) for an electronic document to replace the signer's certificate. Optimized certificates are issued to be only valid for a specific time, i.e., the fields notBeforeand notAfterof the certificate are the same. Therefore, certificate revocation are not a requirement as it is no longer necessary to request the status of certificates from a certification authority repository to validate signatures.