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2002
IEEE

Secure Intrusion-tolerant Replication on the Internet

8 years 8 months ago
Secure Intrusion-tolerant Replication on the Internet
This paper describes a Secure INtrusion-Tolerant Replication Architecture1 (SINTRA) for coordination in asynchronous networks subject to Byzantine faults. SINTRA supplies a number of group communication primitives, such as binary and multi-valued Byzantine agreement, reliable and consistent broadcast, and an atomic broadcast channel. Atomic broadcast immediately provides secure state-machine replication. The protocols are designed for an asynchronous wide-area network, such as the Internet, where messages may be delayed indefinitely, the servers do not have access to a common clock, and up to one third of the servers may fail in potentially malicious ways. Security is achieved through the use of threshold public-key cryptography, in particular through a cryptographic common coin based on the Diffie-Hellman problem that underlies the randomized protocols in SINTRA. The implementation of SINTRA in Java is described and timing measurements are given for a test-bed of servers distribute...
Christian Cachin, Jonathan A. Poritz
Added 14 Jul 2010
Updated 14 Jul 2010
Type Conference
Year 2002
Where DSN
Authors Christian Cachin, Jonathan A. Poritz
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