{"title":"ASDViews(关系数据库)","authors":"Cristi Garvey, A. Wu","doi":"10.1109/SECPRI.1988.8100","DOIUrl":null,"url":null,"abstract":"A description is given of ASDViews, an implementation of views as the security object in a multilevel secure relational database management system (DBMS) that results in a small trusted computing base (TCB) as required to meet the criteria for evaluation class B2 and above. A general view is the result of a database query. Since most of the code which implements the DBMS is involved in processing the query, most of the DBMS must be trusted. ASDViews is defined using a subset of the relational algebra to restrict the size of the query language available to define a secure view. This approach reduces that part of the TCB required to implement secure views to roughly 1000 lines of code.<<ETX>>","PeriodicalId":131674,"journal":{"name":"Proceedings. 1988 IEEE Symposium on Security and Privacy","volume":"6 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1988-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":"{\"title\":\"ASDViews (relational databases)\",\"authors\":\"Cristi Garvey, A. Wu\",\"doi\":\"10.1109/SECPRI.1988.8100\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A description is given of ASDViews, an implementation of views as the security object in a multilevel secure relational database management system (DBMS) that results in a small trusted computing base (TCB) as required to meet the criteria for evaluation class B2 and above. A general view is the result of a database query. Since most of the code which implements the DBMS is involved in processing the query, most of the DBMS must be trusted. ASDViews is defined using a subset of the relational algebra to restrict the size of the query language available to define a secure view. This approach reduces that part of the TCB required to implement secure views to roughly 1000 lines of code.<<ETX>>\",\"PeriodicalId\":131674,\"journal\":{\"name\":\"Proceedings. 1988 IEEE Symposium on Security and Privacy\",\"volume\":\"6 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1988-04-18\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"10\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Proceedings. 1988 IEEE Symposium on Security and Privacy\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SECPRI.1988.8100\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Proceedings. 1988 IEEE Symposium on Security and Privacy","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SECPRI.1988.8100","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A description is given of ASDViews, an implementation of views as the security object in a multilevel secure relational database management system (DBMS) that results in a small trusted computing base (TCB) as required to meet the criteria for evaluation class B2 and above. A general view is the result of a database query. Since most of the code which implements the DBMS is involved in processing the query, most of the DBMS must be trusted. ASDViews is defined using a subset of the relational algebra to restrict the size of the query language available to define a secure view. This approach reduces that part of the TCB required to implement secure views to roughly 1000 lines of code.<>
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