{"id":"https://openalex.org/W3128202471","doi":"https://doi.org/10.1109/tc.2021.3055293","title":"Colony: A Privileged Trusted Execution Environment With Extensibility","display_name":"Colony: A Privileged Trusted Execution Environment With Extensibility","publication_year":2021,"publication_date":"2021-01-29","ids":{"openalex":"https://openalex.org/W3128202471","doi":"https://doi.org/10.1109/tc.2021.3055293","mag":"3128202471"},"language":"en","primary_location":{"id":"doi:10.1109/tc.2021.3055293","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tc.2021.3055293","pdf_url":null,"source":{"id":"https://openalex.org/S157670870","display_name":"IEEE Transactions on Computers","issn_l":"0018-9340","issn":["0018-9340","0016-9340","1557-9956","2326-3814"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computers","raw_type":"journal-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5026023746","display_name":"Yubin Xia","orcid":"https://orcid.org/0000-0001-6558-5298"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yubin Xia","raw_affiliation_strings":["Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0001-6558-5298","affiliations":[{"raw_affiliation_string":"Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035727373","display_name":"Zhichao Hua","orcid":"https://orcid.org/0000-0002-2211-9120"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhichao Hua","raw_affiliation_strings":["Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5060773798","display_name":"Yang Yu","orcid":"https://orcid.org/0000-0002-5045-804X"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yang Yu","raw_affiliation_strings":["Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5022638303","display_name":"Jinyu Gu","orcid":"https://orcid.org/0000-0002-0074-9041"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jinyu Gu","raw_affiliation_strings":["Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-0074-9041","affiliations":[{"raw_affiliation_string":"Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5100406215","display_name":"Haibo Chen","orcid":"https://orcid.org/0000-0002-9720-0361"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haibo Chen","raw_affiliation_strings":["Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":"https://orcid.org/0000-0002-9720-0361","affiliations":[{"raw_affiliation_string":"Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5031955160","display_name":"Binyu Zang","orcid":"https://orcid.org/0000-0002-1968-7645"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Binyu Zang","raw_affiliation_strings":["Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5049487451","display_name":"Haibing Guan","orcid":"https://orcid.org/0000-0002-4714-7400"},"institutions":[{"id":"https://openalex.org/I183067930","display_name":"Shanghai Jiao Tong University","ror":"https://ror.org/0220qvk04","country_code":"CN","type":"education","lineage":["https://openalex.org/I183067930"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Haibing Guan","raw_affiliation_strings":["Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Shanghai Key Laboratory of Scalable Computing and Systems, Shanghai Jiao Tong University, Shanghai, China","institution_ids":["https://openalex.org/I183067930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I183067930"],"apc_list":{"value":2045,"currency":"USD","value_usd":2045},"apc_paid":null,"fwci":1.5413,"has_fulltext":false,"cited_by_count":20,"citation_normalized_percentile":{"value":0.85218155,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":99},"biblio":{"volume":"71","issue":"2","first_page":"479","last_page":"492"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11424","display_name":"Security and Verification in Computing","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11424","display_name":"Security and Verification in Computing","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11614","display_name":"Cloud Data Security Solutions","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10772","display_name":"Distributed systems and fault tolerance","score":0.989300012588501,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/hypervisor","display_name":"Hypervisor","score":0.903011679649353},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8126799464225769},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.8069508671760559},{"id":"https://openalex.org/keywords/extensibility","display_name":"Extensibility","score":0.7877813577651978},{"id":"https://openalex.org/keywords/trusted-computing-base","display_name":"Trusted computing base","score":0.6653928756713867},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.5063165426254272},{"id":"https://openalex.org/keywords/software","display_name":"Software","score":0.4853571951389313},{"id":"https://openalex.org/keywords/kernel","display_name":"Kernel (algebra)","score":0.483607679605484},{"id":"https://openalex.org/keywords/system-call","display_name":"System call","score":0.47834154963493347},{"id":"https://openalex.org/keywords/isolation","display_name":"Isolation (microbiology)","score":0.44843146204948425},{"id":"https://openalex.org/keywords/service","display_name":"Service (business)","score":0.43737146258354187},{"id":"https://openalex.org/keywords/linux-kernel","display_name":"Linux kernel","score":0.4258517026901245},{"id":"https://openalex.org/keywords/trusted-computing","display_name":"Trusted Computing","score":0.42255815863609314},{"id":"https://openalex.org/keywords/embedded-system","display_name":"Embedded system","score":0.40009385347366333},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3832307457923889},{"id":"https://openalex.org/keywords/virtualization","display_name":"Virtualization","score":0.31485068798065186},{"id":"https://openalex.org/keywords/cloud-computing","display_name":"Cloud computing","score":0.2916063666343689},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.2705344557762146},{"id":"https://openalex.org/keywords/cloud-computing-security","display_name":"Cloud computing security","score":0.1611025333404541}],"concepts":[{"id":"https://openalex.org/C112904061","wikidata":"https://www.wikidata.org/wiki/Q1077480","display_name":"Hypervisor","level":4,"score":0.903011679649353},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8126799464225769},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.8069508671760559},{"id":"https://openalex.org/C32833848","wikidata":"https://www.wikidata.org/wiki/Q4115054","display_name":"Extensibility","level":2,"score":0.7877813577651978},{"id":"https://openalex.org/C147346212","wikidata":"https://www.wikidata.org/wiki/Q5492632","display_name":"Trusted computing base","level":4,"score":0.6653928756713867},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.5063165426254272},{"id":"https://openalex.org/C2777904410","wikidata":"https://www.wikidata.org/wiki/Q7397","display_name":"Software","level":2,"score":0.4853571951389313},{"id":"https://openalex.org/C74193536","wikidata":"https://www.wikidata.org/wiki/Q574844","display_name":"Kernel (algebra)","level":2,"score":0.483607679605484},{"id":"https://openalex.org/C2778579508","wikidata":"https://www.wikidata.org/wiki/Q722192","display_name":"System call","level":2,"score":0.47834154963493347},{"id":"https://openalex.org/C2775941552","wikidata":"https://www.wikidata.org/wiki/Q25212305","display_name":"Isolation (microbiology)","level":2,"score":0.44843146204948425},{"id":"https://openalex.org/C2780378061","wikidata":"https://www.wikidata.org/wiki/Q25351891","display_name":"Service (business)","level":2,"score":0.43737146258354187},{"id":"https://openalex.org/C553261973","wikidata":"https://www.wikidata.org/wiki/Q14579","display_name":"Linux kernel","level":2,"score":0.4258517026901245},{"id":"https://openalex.org/C2776831232","wikidata":"https://www.wikidata.org/wiki/Q966812","display_name":"Trusted Computing","level":2,"score":0.42255815863609314},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.40009385347366333},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3832307457923889},{"id":"https://openalex.org/C513985346","wikidata":"https://www.wikidata.org/wiki/Q270471","display_name":"Virtualization","level":3,"score":0.31485068798065186},{"id":"https://openalex.org/C79974875","wikidata":"https://www.wikidata.org/wiki/Q483639","display_name":"Cloud computing","level":2,"score":0.2916063666343689},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.2705344557762146},{"id":"https://openalex.org/C184842701","wikidata":"https://www.wikidata.org/wiki/Q370563","display_name":"Cloud computing security","level":3,"score":0.1611025333404541},{"id":"https://openalex.org/C136264566","wikidata":"https://www.wikidata.org/wiki/Q159810","display_name":"Economy","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C89423630","wikidata":"https://www.wikidata.org/wiki/Q7193","display_name":"Microbiology","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/tc.2021.3055293","is_oa":false,"landing_page_url":"https://doi.org/10.1109/tc.2021.3055293","pdf_url":null,"source":{"id":"https://openalex.org/S157670870","display_name":"IEEE Transactions on Computers","issn_l":"0018-9340","issn":["0018-9340","0016-9340","1557-9956","2326-3814"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Transactions on Computers","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.5}],"awards":[{"id":"https://openalex.org/G2709730326","display_name":"\u6781\u7aef\u5316\u4f9b\u9700\u9a71\u52a8\u7684\u53ef\u4f38\u7f29\u865a\u62df\u5316\u7814\u7a76","funder_award_id":"61732010","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G3908927347","display_name":null,"funder_award_id":"2020AAA0108502","funder_id":"https://openalex.org/F4320335777","funder_display_name":"National Key Research and Development Program of China"},{"id":"https://openalex.org/G6862739660","display_name":null,"funder_award_id":"61972244","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"},{"id":"https://openalex.org/G8677931172","display_name":null,"funder_award_id":"61925206","funder_id":"https://openalex.org/F4320321001","funder_display_name":"National Natural Science Foundation of China"}],"funders":[{"id":"https://openalex.org/F4320321001","display_name":"National Natural Science Foundation of China","ror":"https://ror.org/01h0zpd94"},{"id":"https://openalex.org/F4320335777","display_name":"National Key Research and Development Program of China","ror":null}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":33,"referenced_works":["https://openalex.org/W1247015877","https://openalex.org/W1493190345","https://openalex.org/W1978703818","https://openalex.org/W2000375627","https://openalex.org/W2020936921","https://openalex.org/W2036853599","https://openalex.org/W2043501224","https://openalex.org/W2046036463","https://openalex.org/W2053343312","https://openalex.org/W2057743816","https://openalex.org/W2061643296","https://openalex.org/W2097723548","https://openalex.org/W2136566423","https://openalex.org/W2150709728","https://openalex.org/W2168601499","https://openalex.org/W2168872572","https://openalex.org/W2316567509","https://openalex.org/W2579632738","https://openalex.org/W2914223029","https://openalex.org/W2944308757","https://openalex.org/W2979237716","https://openalex.org/W3016246341","https://openalex.org/W3195032555","https://openalex.org/W4252794066","https://openalex.org/W4255015421","https://openalex.org/W4255163382","https://openalex.org/W6627928013","https://openalex.org/W6637366957","https://openalex.org/W6675903601","https://openalex.org/W6714945315","https://openalex.org/W6730426483","https://openalex.org/W6742578501","https://openalex.org/W6743710834"],"related_works":["https://openalex.org/W2358352283","https://openalex.org/W143066512","https://openalex.org/W2763925850","https://openalex.org/W2116177289","https://openalex.org/W2168214592","https://openalex.org/W4224230903","https://openalex.org/W2016134224","https://openalex.org/W2186866137","https://openalex.org/W157845512","https://openalex.org/W2974256982"],"abstract_inverted_index":{"The":[0],"code":[1],"base":[2],"of":[3,15,40,85,97,116,128,146,233,248],"system":[4,41,188,207],"software":[5],"is":[6,150,229,250],"growing":[7],"fast,":[8],"which":[9,52],"results":[10],"in":[11,24,30,108,213,238,251],"a":[12,125,140,187,192,221],"large":[13],"number":[14],"vulnerabilities:":[16],"for":[17],"example,":[18],"296":[19],"CVEs":[20,29],"have":[21,100,204],"been":[22],"found":[23],"Xen":[25,214],"hypervisor":[26,215],"and":[27,61,135,159,191,210,216,219],"2195":[28],"Linux":[31,217],"kernel.":[32],"To":[33],"reduce":[34],"the":[35,38,83,89,94,109,114,117,147,173,206,234],"reliance":[36],"on":[37,208],"trust":[39],"software,":[42],"many":[43],"researchers":[44],"try":[45],"to":[46,82,130,165,176,197,224],"provide":[47],"trusted":[48],"execution":[49],"environments":[50],"(TEEs),":[51],"can":[53],"be":[54],"categorized":[55],"into":[56],"two":[57],"types:":[58],"non-privileged":[59],"TEEs":[60,65,92],"privileged":[62,91,110],"TEEs.":[63],"Non-privileged":[64],"(e.g.,":[66,93],"Intel":[67],"SGX)":[68],"are":[69],"extensible,":[70],"but":[71,103],"cannot":[72],"protect":[73],"security":[74,133,179],"services":[75,134],"like":[76],"virtual":[77],"machine":[78],"introspection":[79],"(VMI)":[80],"due":[81],"lack":[84],"system-level":[86,101,132,169],"semantics.":[87,170],"On":[88],"contrary,":[90],"secure":[95,182],"world":[96],"ARM":[98,199,243],"TrustZone)":[99],"semantics,":[102],"any":[104],"additional":[105],"service":[106,196],"implemented":[107,205],"TEE":[111,129,144,175],"directly":[112],"increases":[113],"TCB":[115],"entire":[118],"system.":[119],"In":[120],"this":[121],"article,":[122],"we":[123,154],"propose":[124],"new":[126,174],"design":[127,149],"support":[131],"achieve":[136],"better":[137],"extensibility":[138],"with":[139,201],"small":[141],"TCB.":[142],"Each":[143],"instance":[145],"proposed":[148],"named":[151],"aColony.":[152],"Specifically,":[153],"introduce":[155],"asecure":[156],"monitorfor":[157],"isolation":[158],"capability":[160],"management.":[161],"EachColonyis":[162],"assigned":[163],"capabilities":[164],"access":[166],"only":[167],"necessary":[168],"We":[171,203],"use":[172],"build":[177],"four":[178],"services,":[180],"including":[181],"device":[183],"accessing,":[184],"VMI":[185],"tools,":[186],"call":[189],"tracer,":[190],"much":[193],"more":[194],"complex":[195],"virtualize":[198],"TrustZone":[200],"multipleColonies.":[202],"ARMv7":[209],"ARMv8":[211],"platforms,":[212],"kernel,":[218],"perform":[220],"detailed":[222],"evaluation":[223],"show":[225],"its":[226],"efficiency.11.This":[227],"paper":[228,236],"an":[230],"extended":[231],"version":[232],"conference":[235],"published":[237],"USENIX":[239],"Security\u201917:":[240],"vTZ:":[241],"Virtualizing":[242],"TrustZone[29].":[244],"A":[245],"brief":[246],"summary":[247],"differences":[249],"Section8.":[252]},"counts_by_year":[{"year":2026,"cited_by_count":3},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1}],"updated_date":"2026-08-28T12:50:07.497085","created_date":"2025-10-10T00:00:00"}