TY - GEN
T1 - Generic, optimistic, and efficient schemes for fair certified email delivery
AU - Wang, Guilin
AU - Bao, Feng
AU - Imamoto, Kenji
AU - Sakurai, Kouichi
PY - 2005
Y1 - 2005
N2 - As a value-added service for standard email systems, a certified email scheme allows a sender to deliver a message to a receiver in a fair way in the sense that either the sender obtains a receipt from the receiver and the receiver accesses the content of the email simultaneously, or neither party gets the expected item. In this paper, we first point out some weaknesses in several existing schemes. Then, we present two generic optimistic certified email schemes with transparent TTP. Our schemes are not only fair, but also support timeliness in two flavors: one scheme supports weak timeliness but with stateless TTP, while the other guarantees (strong) timeliness though only supports weak stateless TTP. Technical discussion and comparison are provide to show that our schemes are both secure and efficient, compared with the-state-of-art in this field.
AB - As a value-added service for standard email systems, a certified email scheme allows a sender to deliver a message to a receiver in a fair way in the sense that either the sender obtains a receipt from the receiver and the receiver accesses the content of the email simultaneously, or neither party gets the expected item. In this paper, we first point out some weaknesses in several existing schemes. Then, we present two generic optimistic certified email schemes with transparent TTP. Our schemes are not only fair, but also support timeliness in two flavors: one scheme supports weak timeliness but with stateless TTP, while the other guarantees (strong) timeliness though only supports weak stateless TTP. Technical discussion and comparison are provide to show that our schemes are both secure and efficient, compared with the-state-of-art in this field.
UR - http://www.scopus.com/inward/record.url?scp=33646738467&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33646738467&partnerID=8YFLogxK
U2 - 10.1007/11602897_4
DO - 10.1007/11602897_4
M3 - Conference contribution
AN - SCOPUS:33646738467
SN - 3540309349
SN - 9783540309345
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 40
EP - 52
BT - Information and Communications Security - 7th International Conference, ICICS 2005, Proceedings
PB - Springer Verlag
T2 - 7th International Conference on Information and Communications Security, ICICS 2005
Y2 - 10 December 2005 through 13 December 2005
ER -