One-Time Password Generation and Two-Factor Authentication Using Molecules and Light

被引：10

作者：

Naren, Gaowa ^{[1
]}

Li, Shiming ^{[1
]}

Andreasson, Joakim ^{[1
]}

机构：

[1] Chalmers, Dept Chem & Chem Engn, Phys Chem, S-41296 Gothenburg, Sweden

来源：

CHEMPHYSCHEM | 2017年 / 18卷 / 13期

基金：

瑞典研究理事会;

关键词：

fluorescence; molecular devices; molecular logic; photochromism; photoswitches; LOGIC GATES; REVERSIBLE LOGIC; ENCODER-DECODER; ENERGY-TRANSFER; DEMULTIPLEXER; OPERATIONS; SUBTRACTOR; ADDER;

D O I：

10.1002/cphc.201700074

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Herein, we report the first example of one-time password (OTP) generation and two-factor authentication (2FA) using a molecular approach. OTPs are passwords that are valid for one entry only. For the next login session, a new, different password is generated. This brings the advantage that any undesired recording of a password will not risk the security of the authentication process. Our molecular realization of the OTP generator is based on a photochromic molecular triad where the optical input required to set the triad to the fluorescent form differs depending on the initial isomeric state.

引用

页码：1726 / 1729

页数：4

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