{"id":"https://openalex.org/W1980984713","doi":"https://doi.org/10.1145/1229285.1229326","title":"Invisible designated confirmer signatures without random oracles","display_name":"Invisible designated confirmer signatures without random oracles","publication_year":2007,"publication_date":"2007-03-20","ids":{"openalex":"https://openalex.org/W1980984713","doi":"https://doi.org/10.1145/1229285.1229326","mag":"1980984713"},"language":"en","primary_location":{"id":"doi:10.1145/1229285.1229326","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1229285.1229326","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd ACM symposium on Information, computer and communications security","raw_type":"proceedings-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/A5049452334","display_name":"Victor K. Wei","orcid":"https://orcid.org/0000-0001-5659-2584"},"institutions":[{"id":"https://openalex.org/I177725633","display_name":"Chinese University of Hong Kong","ror":"https://ror.org/00t33hh48","country_code":"CN","type":"education","lineage":["https://openalex.org/I177725633"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Victor K. Wei","raw_affiliation_strings":["Chinese Univ. of Hong Kong, Hong Kong","Chinese University of Hong Kong, Hong Kong.#TAB#"],"affiliations":[{"raw_affiliation_string":"Chinese Univ. of Hong Kong, Hong Kong","institution_ids":["https://openalex.org/I177725633"]},{"raw_affiliation_string":"Chinese University of Hong Kong, Hong Kong.#TAB#","institution_ids":["https://openalex.org/I177725633"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5049452334"],"corresponding_institution_ids":["https://openalex.org/I177725633"],"apc_list":null,"apc_paid":null,"fwci":0.4692,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.73709145,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":"356","last_page":"358"},"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/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9947999715805054,"subfield":{"id":"https://openalex.org/subfields/1707","display_name":"Computer Vision and Pattern Recognition"},"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/T11693","display_name":"Cryptography and Residue Arithmetic","score":0.9937000274658203,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/invisibility","display_name":"Invisibility","score":0.8260467052459717},{"id":"https://openalex.org/keywords/random-oracle","display_name":"Random oracle","score":0.7660443782806396},{"id":"https://openalex.org/keywords/oracle","display_name":"Oracle","score":0.6302202939987183},{"id":"https://openalex.org/keywords/identity","display_name":"Identity (music)","score":0.6111258864402771},{"id":"https://openalex.org/keywords/signature","display_name":"Signature (topology)","score":0.5566052794456482},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5549114346504211},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.45711588859558105},{"id":"https://openalex.org/keywords/schnorr-signature","display_name":"Schnorr signature","score":0.4417910575866699},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.43343058228492737},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.3843947649002075},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3377551734447479},{"id":"https://openalex.org/keywords/digital-signature","display_name":"Digital signature","score":0.31535041332244873},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.22518622875213623},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.13906753063201904},{"id":"https://openalex.org/keywords/art","display_name":"Art","score":0.11823371052742004},{"id":"https://openalex.org/keywords/epistemology","display_name":"Epistemology","score":0.09922227263450623},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.09872597455978394},{"id":"https://openalex.org/keywords/philosophy","display_name":"Philosophy","score":0.08606833219528198},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.07652881741523743},{"id":"https://openalex.org/keywords/aesthetics","display_name":"Aesthetics","score":0.07104253768920898}],"concepts":[{"id":"https://openalex.org/C50962388","wikidata":"https://www.wikidata.org/wiki/Q762018","display_name":"Invisibility","level":2,"score":0.8260467052459717},{"id":"https://openalex.org/C94284585","wikidata":"https://www.wikidata.org/wiki/Q228184","display_name":"Random oracle","level":4,"score":0.7660443782806396},{"id":"https://openalex.org/C55166926","wikidata":"https://www.wikidata.org/wiki/Q2892946","display_name":"Oracle","level":2,"score":0.6302202939987183},{"id":"https://openalex.org/C2778355321","wikidata":"https://www.wikidata.org/wiki/Q17079427","display_name":"Identity (music)","level":2,"score":0.6111258864402771},{"id":"https://openalex.org/C2779696439","wikidata":"https://www.wikidata.org/wiki/Q7512811","display_name":"Signature (topology)","level":2,"score":0.5566052794456482},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5549114346504211},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.45711588859558105},{"id":"https://openalex.org/C124968333","wikidata":"https://www.wikidata.org/wiki/Q1465057","display_name":"Schnorr signature","level":5,"score":0.4417910575866699},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.43343058228492737},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.3843947649002075},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3377551734447479},{"id":"https://openalex.org/C118463975","wikidata":"https://www.wikidata.org/wiki/Q220849","display_name":"Digital signature","level":3,"score":0.31535041332244873},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.22518622875213623},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.13906753063201904},{"id":"https://openalex.org/C142362112","wikidata":"https://www.wikidata.org/wiki/Q735","display_name":"Art","level":0,"score":0.11823371052742004},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.09922227263450623},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.09872597455978394},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.08606833219528198},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.07652881741523743},{"id":"https://openalex.org/C107038049","wikidata":"https://www.wikidata.org/wiki/Q35986","display_name":"Aesthetics","level":1,"score":0.07104253768920898},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C18899389","wikidata":"https://www.wikidata.org/wiki/Q2736593","display_name":"Blind signature","level":4,"score":0.0},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1229285.1229326","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1229285.1229326","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 2nd ACM symposium on Information, computer and communications security","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.46000000834465027}],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":22,"referenced_works":["https://openalex.org/W45815075","https://openalex.org/W1494775996","https://openalex.org/W1566035358","https://openalex.org/W1566370549","https://openalex.org/W1590713339","https://openalex.org/W1595597526","https://openalex.org/W1751556912","https://openalex.org/W1798609567","https://openalex.org/W1974232544","https://openalex.org/W2036788199","https://openalex.org/W2117797270","https://openalex.org/W2122987162","https://openalex.org/W2132172731","https://openalex.org/W2143832005","https://openalex.org/W2153906688","https://openalex.org/W2165111290","https://openalex.org/W2166706457","https://openalex.org/W2167496998","https://openalex.org/W2172174332","https://openalex.org/W2210874835","https://openalex.org/W2911473785","https://openalex.org/W3031878217"],"related_works":["https://openalex.org/W2368634462","https://openalex.org/W1526844866","https://openalex.org/W2354840055","https://openalex.org/W2033607738","https://openalex.org/W2131362130","https://openalex.org/W2610688825","https://openalex.org/W2057152612","https://openalex.org/W2388209206","https://openalex.org/W2407614215","https://openalex.org/W2292604118"],"abstract_inverted_index":{"We":[0,37],"present":[1,52],"the":[2,12,28,32],"first":[3],"O(1)-size":[4,53,63],"designated":[5],"confirmer":[6],"signatures":[7],"(DCS)":[8],"with":[9,70],"security":[10,29],"in":[11],"state-of-the-art":[13],"model":[14],"of":[15,34,44],"Camenisch":[16],"and":[17,62,69],"Michels,":[18],"Eurocrypt":[19],"2000,":[20],"without":[21,56,60,66],"random":[22,57,67],"oracles.":[23],"In":[24],"particular,":[25],"we":[26,50],"achieve":[27],"notion":[30],"called":[31],"\"invisibility":[33],"signature\"":[35],"therein.":[36],"do":[38],"so":[39],"by":[40,59],"a":[41],"simple":[42],"upgrade":[43],"Gentry,":[45],"et":[46],"al.":[47],"[7].":[48],"Then":[49],"also":[51],"identity-based":[54],"DCS":[55],"oracle":[58,68],"invisibility,":[61],"undeniable":[64],"signature":[65],"invisibility.":[71]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}