Two-factor authentication for the Bitcoin protocol

被引：12
作者：
Mann, Christopher [1 ]
Loebenberger, Daniel [1 ]
机构：
[1] Univ Bonn, B IT, Bonn, Germany
来源：
INTERNATIONAL JOURNAL OF INFORMATION SECURITY | 2017年 / 16卷 / 02期
关键词：
Bitcoin; Two-party ECDSA; Two-factor authentication; Block chain; KNOWLEDGE;
D O I：
10.1007/s10207-016-0325-1
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
We show how to realize two-factor authentication for a Bitcoin wallet. To do so, we explain how to employ an ECDSA adaption of the two-party signature protocol by MacKenzie and Reiter (Int J Inf Secur 2(3-4):218-239, 2004. doi:10.1007/s10207-004-0041-0 Address="10.1007/s10207-004-0041-0") in the context of Bitcoin and present a prototypic implementation of a Bitcoin wallet that offers both: two-factor authentication and verification over a separate channel. Since we use a smart phone as the second authentication factor, our solution can be used with hardware already available to most users and the user experience is quite similar to the existing online banking authentication methods.
引用
收藏
页码：213 / 226
页数：14
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