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A method for secure and resilient distributed generation of elliptic curve digital signature algorithm (ecdsa) based digital signatures with proactive security

A digital signature and elliptic curve technology, applied in the direction of public key of secure communication, digital transmission system, secure communication device, etc., can solve the problem of not providing active security and so on

Active Publication Date: 2017-05-10
HRL LAB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In Ref. 8, protocols and algorithms consider a threshold n / 3 against malicious attackers and do not provide active security

Method used

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  • A method for secure and resilient distributed generation of elliptic curve digital signature algorithm (ecdsa) based digital signatures with proactive security
  • A method for secure and resilient distributed generation of elliptic curve digital signature algorithm (ecdsa) based digital signatures with proactive security
  • A method for secure and resilient distributed generation of elliptic curve digital signature algorithm (ecdsa) based digital signatures with proactive security

Examples

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Embodiment Construction

[0022] The present invention relates to a system for generating digital signatures based on Elliptic Curve Digital Signature Algorithm (ECDSA), and more particularly to a system for generating ECDSA-based digital signatures in a distributed manner.

[0023] The following description is presented to enable one of ordinary skill in the art to make and use the invention and incorporate the invention in the context of a particular application. Various modifications and various uses in different applications will be readily apparent to those skilled in the art, and the general principles defined herein may be applied in a wide variety of respects. Thus, the invention is not intended to be limited to the aspects presented but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0024] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention....

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Abstract

Described is system for generation of elliptic curve digital signature algorithm (ECDSA) based digital signatures. A. Secret-Share protocol is initialized between a client and a set of servers to share a set of shares of a private key s among the set of servers. The set of servers initializes a protocol to generate a digital signature on a message using the set of shares of the private key s without reconstructing or revealing the private key A. The set of servers periodically initialises a Secret-Redistribute protocol on each share of the private key A- to re- randomize the set of shares. A Secret-Open protocol is initialized to reveal the private key s to an intended recipient, wherein the private key A is used to compute the digital signature.

Description

[0001] Cross References to Related Applications [0002] This is a non-provisional application of US Provisional Patent Application No. 61 / 981,191, filed April 17, 2014, entitled "A Method for Secure and Resilient Distributed Generation of Elliptic Curve Digital Signature Algorithm (ECDSA) Based Digital Signature with Proactive Security" , which is hereby incorporated by reference in its entirety. technical field [0003] The present invention relates to a system for generating Elliptic Curve Digital Signature Algorithm (ECDSA) based digital signatures, and more particularly to a system for generating ECDSA based digital signatures in a distributed manner. Background technique [0004] Digital signatures are important to the operation of secure distributed systems as well as authentication and access control. Digital signatures based on the Elliptic Curve Digital Signature Algorithm (ECDSA), for example, are used to ensure the integrity of data transmitted online, can be us...

Claims

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Application Information

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IPC IPC(8): H04L9/30
CPCH04L9/085H04L9/3252H04L9/3255
Inventor K·埃尔·德弗拉维J·D·兰姆金斯
Owner HRL LAB
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