密码
计算机科学
认证(法律)
计算机安全
鉴定(生物学)
软件
密码学
身份验证协议
身份(音乐)
多因素身份验证
操作系统
声学
植物
生物
物理
作者
Jason Chia,Ji-Jian Chin,Sook-Chin Yip
出处
期刊:Communications in computer and information science
日期:2021-01-01
卷期号:: 155-175
被引量:2
标识
DOI:10.1007/978-981-16-8059-5_10
摘要
Pluggable authentication modules (PAMs) primarily provide authentication services to system software on a machine. PAM simplifies the job for both software developers and system administrators by providing a unified method to manage user access to the system. Therefore, software developers do not need to write user authentication subroutines because they can safely rely on well-studied and tested modules to provide the required services. The default authentication mechanism provided by PAM is password-based; while this is sufficient, the security is highly dependent on the strength of the password, which can vary based on the individual or the organization setting the associated password policies. To address this problem, we present an identity-based identification (IBI) module that works as a PAM, specifically for Linux-PAM. The security of the authentication mechanism provided by our work is only dependent on the fixed cryptographic strength of the user keys, which is generally much more secure than passwords. In addition, IBI also has comparatively simpler operations and provides easier ways to manage users compared to existing cryptographic alternatives.
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