{"id":"https://openalex.org/W3095386851","doi":"https://doi.org/10.1109/access.2020.3030970","title":"How to Securely Collaborate on Data: Decentralized Threshold HE and Secure Key Update","display_name":"How to Securely Collaborate on Data: Decentralized Threshold HE and Secure Key Update","publication_year":2020,"publication_date":"2020-01-01","ids":{"openalex":"https://openalex.org/W3095386851","doi":"https://doi.org/10.1109/access.2020.3030970","mag":"3095386851"},"language":"en","primary_location":{"id":"doi:10.1109/access.2020.3030970","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3030970","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09223642.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09223642.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100616087","display_name":"Eunkyung Kim","orcid":"https://orcid.org/0000-0003-3558-7086"},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]},{"id":"https://openalex.org/I4387155180","display_name":"Samsung SDS (South Korea)","ror":"https://ror.org/0476bn305","country_code":null,"type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}],"countries":["KR"],"is_corresponding":true,"raw_author_name":"Eunkyung Kim","raw_affiliation_strings":["Security Research Center, Samsung SDS, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Security Research Center, Samsung SDS, Seoul, South Korea","institution_ids":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057980212","display_name":"Jinhyuck Jeong","orcid":"https://orcid.org/0000-0002-6785-9835"},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]},{"id":"https://openalex.org/I4387155180","display_name":"Samsung SDS (South Korea)","ror":"https://ror.org/0476bn305","country_code":null,"type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jinhyuck Jeong","raw_affiliation_strings":["Security Research Center, Samsung SDS, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-6785-9835","affiliations":[{"raw_affiliation_string":"Security Research Center, Samsung SDS, Seoul, South Korea","institution_ids":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107052300","display_name":"Hyo\u2010Jin Yoon","orcid":null},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]},{"id":"https://openalex.org/I4387155180","display_name":"Samsung SDS (South Korea)","ror":"https://ror.org/0476bn305","country_code":null,"type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Hyojin Yoon","raw_affiliation_strings":["Security Research Center, Samsung SDS, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Security Research Center, Samsung SDS, Seoul, South Korea","institution_ids":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5004429223","display_name":"Younghyun Kim","orcid":"https://orcid.org/0000-0002-5287-9235"},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]},{"id":"https://openalex.org/I4387155180","display_name":"Samsung SDS (South Korea)","ror":"https://ror.org/0476bn305","country_code":null,"type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Younghyun Kim","raw_affiliation_strings":["Security Research Center, Samsung SDS, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Security Research Center, Samsung SDS, Seoul, South Korea","institution_ids":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5101735757","display_name":"Jihoon Cho","orcid":"https://orcid.org/0000-0001-9108-4323"},"institutions":[{"id":"https://openalex.org/I2250650973","display_name":"Samsung (South Korea)","ror":"https://ror.org/04w3jy968","country_code":"KR","type":"company","lineage":["https://openalex.org/I2250650973"]},{"id":"https://openalex.org/I4387155180","display_name":"Samsung SDS (South Korea)","ror":"https://ror.org/0476bn305","country_code":null,"type":"company","lineage":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jihoon Cho","raw_affiliation_strings":["Security Research Center, Samsung SDS, Seoul, South Korea"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Security Research Center, Samsung SDS, Seoul, South Korea","institution_ids":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5044011121","display_name":"Jung Hee Cheon","orcid":"https://orcid.org/0000-0002-7085-2220"},"institutions":[{"id":"https://openalex.org/I139264467","display_name":"Seoul National University","ror":"https://ror.org/04h9pn542","country_code":"KR","type":"education","lineage":["https://openalex.org/I139264467"]}],"countries":["KR"],"is_corresponding":false,"raw_author_name":"Jung Hee Cheon","raw_affiliation_strings":["Seoul National University, Seoul, South Korea"],"raw_orcid":"https://orcid.org/0000-0002-7085-2220","affiliations":[{"raw_affiliation_string":"Seoul National University, Seoul, South Korea","institution_ids":["https://openalex.org/I139264467"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":6,"corresponding_author_ids":["https://openalex.org/A5100616087"],"corresponding_institution_ids":["https://openalex.org/I2250650973","https://openalex.org/I4387155180"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":0.544,"has_fulltext":true,"cited_by_count":7,"citation_normalized_percentile":{"value":0.74427636,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":98},"biblio":{"volume":"8","issue":null,"first_page":"191319","last_page":"191329"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10237","display_name":"Cryptography and Data Security","score":1.0,"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/T10237","display_name":"Cryptography and Data Security","score":1.0,"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/T10720","display_name":"Complexity and Algorithms in Graphs","score":0.9940999746322632,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10764","display_name":"Privacy-Preserving Technologies in Data","score":0.9898999929428101,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7227519750595093},{"id":"https://openalex.org/keywords/homomorphic-encryption","display_name":"Homomorphic encryption","score":0.6961759924888611},{"id":"https://openalex.org/keywords/secret-sharing","display_name":"Secret sharing","score":0.6425470113754272},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.6198796629905701},{"id":"https://openalex.org/keywords/scheme","display_name":"Scheme (mathematics)","score":0.5881089568138123},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.5560302138328552},{"id":"https://openalex.org/keywords/ciphertext","display_name":"Ciphertext","score":0.5031179785728455},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.44785693287849426},{"id":"https://openalex.org/keywords/attribute-based-encryption","display_name":"Attribute-based encryption","score":0.4362127184867859},{"id":"https://openalex.org/keywords/homomorphic-secret-sharing","display_name":"Homomorphic secret sharing","score":0.42178672552108765},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3728639483451843},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.3565680980682373},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.3244038224220276},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.25378352403640747},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19681549072265625}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7227519750595093},{"id":"https://openalex.org/C158338273","wikidata":"https://www.wikidata.org/wiki/Q2154943","display_name":"Homomorphic encryption","level":3,"score":0.6961759924888611},{"id":"https://openalex.org/C3087436","wikidata":"https://www.wikidata.org/wiki/Q1386603","display_name":"Secret sharing","level":3,"score":0.6425470113754272},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.6198796629905701},{"id":"https://openalex.org/C77618280","wikidata":"https://www.wikidata.org/wiki/Q1155772","display_name":"Scheme (mathematics)","level":2,"score":0.5881089568138123},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.5560302138328552},{"id":"https://openalex.org/C93974786","wikidata":"https://www.wikidata.org/wiki/Q1589480","display_name":"Ciphertext","level":3,"score":0.5031179785728455},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.44785693287849426},{"id":"https://openalex.org/C7646194","wikidata":"https://www.wikidata.org/wiki/Q4818713","display_name":"Attribute-based encryption","level":4,"score":0.4362127184867859},{"id":"https://openalex.org/C132161212","wikidata":"https://www.wikidata.org/wiki/Q5891458","display_name":"Homomorphic secret sharing","level":4,"score":0.42178672552108765},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3728639483451843},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.3565680980682373},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.3244038224220276},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.25378352403640747},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19681549072265625},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2020.3030970","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3030970","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09223642.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:c356fec65d7345cdb9e5b10a8c33e940","is_oa":true,"landing_page_url":"https://doaj.org/article/c356fec65d7345cdb9e5b10a8c33e940","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 8, Pp 191319-191329 (2020)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2020.3030970","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2020.3030970","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/8948470/09223642.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"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 Access","raw_type":"journal-article"},"sustainable_development_goals":[{"score":0.4399999976158142,"id":"https://metadata.un.org/sdg/16","display_name":"Peace, Justice and strong institutions"}],"awards":[{"id":"https://openalex.org/G201308601","display_name":null,"funder_award_id":"2020-0-00840","funder_id":"https://openalex.org/F4320328359","funder_display_name":"Ministry of Science and ICT, South Korea"},{"id":"https://openalex.org/G6880026784","display_name":null,"funder_award_id":"2020-0-00840","funder_id":"https://openalex.org/F4320335489","funder_display_name":"Institute for Information and Communications Technology Promotion"}],"funders":[{"id":"https://openalex.org/F4320328359","display_name":"Ministry of Science and ICT, South Korea","ror":"https://ror.org/01wpjm123"},{"id":"https://openalex.org/F4320335489","display_name":"Institute for Information and Communications Technology Promotion","ror":"https://ror.org/01g0hqq23"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3095386851.pdf","grobid_xml":"https://content.openalex.org/works/W3095386851.grobid-xml"},"referenced_works_count":43,"referenced_works":["https://openalex.org/W56544557","https://openalex.org/W104209573","https://openalex.org/W116648389","https://openalex.org/W198033559","https://openalex.org/W913176383","https://openalex.org/W924029577","https://openalex.org/W1494049356","https://openalex.org/W1597987364","https://openalex.org/W1979120705","https://openalex.org/W1992282993","https://openalex.org/W2048994663","https://openalex.org/W2061462219","https://openalex.org/W2096024255","https://openalex.org/W2104863136","https://openalex.org/W2140663540","https://openalex.org/W2141420453","https://openalex.org/W2156030242","https://openalex.org/W2159030254","https://openalex.org/W2167497847","https://openalex.org/W2177209050","https://openalex.org/W2206887593","https://openalex.org/W2226167778","https://openalex.org/W2233194383","https://openalex.org/W2397066487","https://openalex.org/W2401959250","https://openalex.org/W2499340481","https://openalex.org/W2768174108","https://openalex.org/W2794501668","https://openalex.org/W2893368739","https://openalex.org/W2896938420","https://openalex.org/W2899140612","https://openalex.org/W2950936782","https://openalex.org/W2952267894","https://openalex.org/W2952761761","https://openalex.org/W2985527074","https://openalex.org/W3006531732","https://openalex.org/W3010696950","https://openalex.org/W3029827539","https://openalex.org/W6604649596","https://openalex.org/W6608003078","https://openalex.org/W6684614264","https://openalex.org/W6756133136","https://openalex.org/W6764236736"],"related_works":["https://openalex.org/W4316659877","https://openalex.org/W2601739120","https://openalex.org/W2768332800","https://openalex.org/W2006088653","https://openalex.org/W3035389378","https://openalex.org/W2607647996","https://openalex.org/W2357909631","https://openalex.org/W2363701519","https://openalex.org/W2947510282","https://openalex.org/W2292786713"],"abstract_inverted_index":{"Threshold":[0],"homomorphic":[1,8],"encryption":[2,9],"(Threshold":[3],"HE)":[4],"schemes":[5,10,47,83,87,103],"are":[6],"modified":[7,118],"to":[11,63,119,131,150,162],"be":[12,108],"suitable":[13],"for":[14,51,74],"privacy-preserving":[15],"data":[16],"integration":[17],"and":[18],"analysis.":[19],"In":[20,36,96],"actual":[21],"usage":[22],"of":[23,167],"it,":[24],"one":[25],"should":[26],"take":[27],"it":[28],"care":[29],"into":[30],"consideration":[31],"who":[32],"manages":[33],"secret":[34,85,141,157,164],"keys.":[35],"Eurocrypt":[37],"2012,":[38],"Asharov":[39],"et":[40,77],"al.":[41,78],"proposed":[42],"decentralized":[43,99,111],"(n,":[44,112,144],"n)-threshold":[45,81,101,113,140,145,152,171],"HE":[46,82,102,114,146,153,172],"in":[48,88,104,124],"bottom-up":[49,105],"approach":[50,90,106],"which":[52,129],"all":[53],"n":[54],"parties":[55],"must":[56],"allow":[57],"by":[58,137],"doing":[59],"a":[60,66,92],"partial":[61],"decryption":[62],"decrypt":[64],"successfully":[65],"ciphertext.":[67],"To":[68],"support":[69],"more":[70],"general":[71],"threshold":[72],"structure":[73],"HE,":[75],"Boneh":[76],"presented":[79],"(t,":[80,100,139,151,170],"using":[84],"sharing":[86,142,158],"top-down":[89],"with":[91],"central":[93],"key":[94,128,165],"dealer.":[95],"this":[97],"article,":[98],"will":[107],"constructed.":[109],"The":[110],"scheme":[115,147,159,173],"is":[116,148,160],"fisrt":[117],"reduce":[120],"the":[121,125,132,168],"error":[122],"contained":[123],"common":[126],"evaluation":[127],"affects":[130],"entire":[133],"parameter":[134],"size.":[135],"Then":[136],"applying":[138],"scheme,":[143],"converted":[149],"scheme.":[154],"Moreover,":[155],"proactive":[156],"applied":[161],"update":[163],"share":[166],"constructed":[169],"whenever":[174],"needed.":[175]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":2}],"updated_date":"2026-05-06T08:25:59.206177","created_date":"2025-10-10T00:00:00"}