Efficient multi-keyword ranked query over encrypted data in cloud computing (3)
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Problem definition
符号含义 Notations
问题描述 Problem description
- 主要的Roles:
- Data Owner, DO
- Data Consumer, DC
- Cloud Service Provider, CSP
- 文件加密使用DES或AES
- 陷门Trapdoor(T)由DO利用它的秘密密钥和DC的查询请求生成,交给DC后用于在CSP上进行查询
- 使用基于属性的加密(Attribute based encryption, ABE)进行文件密钥的管理和访问控制,此文中DO是它的信任域中的认证中心,由DO给各个DC分配属性(attribute)
威胁模型 Thread Model
通常,在云环境中,CSP被认为是“诚实但好奇的“(honest but curious)。
设计目标 Our goals
- 多关键字查询 Multi-keyword query
- 动态关键字词典大小 Dynamic keyword dictionary size
- In-order ranking
- 关键字权重和访问频率 Keyword weight and access frequency consideration
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- Efficient multi-keyword ranked query over encrypted data in cloud computing (3)
- Efficient multi-keyword ranked query over encrypted data in cloud computing (1)
- Efficient multi-keyword ranked query over encrypted data in cloud computing (2)
- Efficient multi-keyword ranked query over encrypted data in cloud computing (4)
- Efficient multi-keyword ranked query over encrypted data in cloud computing (5)
- Efficient multi-keyword ranked query over encrypted data in cloud computing (6)
- [Cloud Computing]Mechanisms: Data Transport
- [Cloud Computing]Mechanisms: Multi-Device Broker
- [Cloud Computing]Patterns: Dynamic Data Normalization
- Cloud Computing(5)_Big Data Infrastructure
- Cloud Computing(6)_Processing Relational Data
- [Cloud Computing]Mechanisms: Cloud Storage Data Aging Management
- [Cloud Computing]Mechanisms: Cloud Storage Data Placement Auditor
- Blinks:Ranked Keyword Searches on Graphs
- Cloud Computing
- Cloud computing
- Cloud computing
- Cloud Computing
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