TWC: Small: Noisy Secrets as Alternatives to Passwords and PKI
TWC: Small: Noisy Secrets as Alternatives to Passwords and PKI
批准号:
1422965
负责人:
Leonid Reyzin
金额:
$49.97万
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2014
资助国家:
美国
项目状态:
已结题
起止时间:
2014-07-01 至 2019-06-30
中文摘要
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英文摘要
In order to establish a secure communication channel, each communicating party needs some method to authenticate the other, lest it unwittingly establish a channel with the adversary instead. Current techniques for authentication often rely on passwords and/or the public-key infrastructure (PKI). Both of these methods have considerable drawbacks since passwords are frequently breached, and PKI relies on central authorities which have proven to be less than reliable. Thus there is a need to use other sources of information for the communicating parties to authenticate each other. Such information should be at least partially unavailable to the adversary since the adversary can pretend to be one of the parties. Many natural sources of such information such as visual passwords or physical tokens are noisy, and don't give the same result each time they are accessed. This project investigates new techniques for using realistic noisy sources in authentication, without necessarily reconciling the values. It combines ideas from a variety of related lines of research, including information reconciliation, secure computation, password-based key agreement, program obfuscation, and locality-sensitive hashing. If successful, it will lead to better authentication solutions than are currently deployed. The investigators have contributed to standardization work in professional organizations like IEEE and ITEF, and have collaborated with industry.
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NSF Student Travel Fund for the 2020 Annual International Cryptology Conference (Crypto)
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批准号:2024317
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项目类别:Standard Grant
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资助金额:$1.8万
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财政年份:2020
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负责人:Leonid Reyzin
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依托单位:
CAREER: Cryptography Outside the Box
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批准号:0546614
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项目类别:Continuing Grant
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资助金额:$40.0万
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财政年份:2006
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负责人:Leonid Reyzin
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依托单位:
Collaborative Research: Rigorous Cryptography from Biometrics and Other Noisy Data
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批准号:0515100
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:2005
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负责人:Leonid Reyzin
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依托单位:
国内基金
海外基金
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