A dynamic password strength evaluation method for internet of things devices
CN122053048BActive Publication Date: 2026-08-28SHANGCE INFORMATION TECH CO LTD
Patent Information
- Application Number
- CN202610212174.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2026-02-13
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2046-02-13
AI Technical Summary
Technical Problem
[0008]为了克服现有技术的上述缺陷，本发明的实施例提供一种面向物联网设备的动态密码强度评估方法，通过引入概率攻击建模并结合设备上下文与动态风险修正，解决现有密码强度评估静态化且脱离物联网实际攻击环境的问题
Benefits of technology
[0021]1.本发明从密码结构语义与攻击概率角度出发，对目标密码进行多层次特征建模。通过结构语义化解析、基础统计特征提取以及概率攻击特征推导，将传统简单的字符长度、字符种类统计，扩展为能够反映攻击者真实猜测策略的综合特征集合，并引入统计概率模型和描述长度约束对概率度量值进行校正，使所得密码强度更贴近实际攻击分布规律，从根本上提升了密码强度评估结果的真实性与可信度。
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Figure CN122053048B_ABST
Abstract
The application discloses a kind of dynamic password strength evaluation methods for Internet of Things equipment, it is related to Internet of Things security technical field, including: obtaining target password to be evaluated, and the basic characteristics of password are extracted by analyzing target password;Based on the basic characteristics of password, the initial password strength of target password is generated;According to the context information of the device corresponding to target password, the initial password strength is mapped to attack cost;Dynamic risk state data in the process of device operation is obtained, and the dynamic correction of attack cost is obtained Dynamic password strength evaluation result of target password;The present application solves the problem that existing password strength evaluation is static and is separated from actual attack environment of Internet of Things by introducing probability attack modeling and combining device context and dynamic risk correction.
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Citation Information
Patent Citations
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