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首页> 外文会议>Progress in Cryptology - INDOCRYPT 2006; Lecture Notes in Computer Science; 4329 >Constant Phase Bit Optimal Protocols for Perfectly Reliable and Secure Message Transmission
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Constant Phase Bit Optimal Protocols for Perfectly Reliable and Secure Message Transmission

机译：恒定相位位最佳协议，可完美可靠和安全地传输消息

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摘要

In this paper, we study the problem of perfectly reliable message transmission(PRMT) and perfectly secure message transmis-sion(PSMT) between a sender S and a receiver R in a synchronous network, where S and R are connected by n vertex disjoint paths called wires, each of which facilitates bidirectional communication. We assume that atmost t of these wires are under the control of adversary. We present two-phase- bit optimal PRMT protocol considering Byzantine adversary as well as mixed adversary. We also present a three phase PRMT protocol which reliably sends a message containing l field elements by overall communicating O(l) field elements. This is a significant improvement over the PRMT protocol proposed in to achieve the same task which takes log(t) phases. We also present a three-phase-bit-optimal PSMT protocol which securely sends a message consisting of t field elements by communicating O(t~2) field elements.
机译：本文研究同步网络中发送者S和接收者R之间的完全可靠消息传输（PRMT）和完全安全消息传输（PSMT）问题，其中S和R通过n个顶点不相交的路径连接称为电线，每条电线都有助于双向通信。我们假设这些电线中的至少t在对手的控制之下。考虑到拜占庭对手以及混合对手，我们提出了两阶段比特最优PRMT协议。我们还提出了一种三相PRMT协议，该协议通过整体通信O（l）个字段元素来可靠地发送包含1个字段元素的消息。这是对提出的PRMT协议的一项重大改进，该协议旨在实现需要log（t）阶段的相同任务。我们还提出了一种三相比特最优PSMT协议，该协议通过通信O（t〜2）字段元素安全地发送包含t个字段元素的消息。

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