{"id":"https://openalex.org/W2765719031","doi":"https://doi.org/10.1515/popets-2017-0037","title":"DeltaShaper: Enabling Unobservable Censorship-resistant TCP Tunneling over Videoconferencing Streams","display_name":"DeltaShaper: Enabling Unobservable Censorship-resistant TCP Tunneling over Videoconferencing Streams","publication_year":2017,"publication_date":"2017-10-01","ids":{"openalex":"https://openalex.org/W2765719031","doi":"https://doi.org/10.1515/popets-2017-0037","mag":"2765719031"},"language":"en","primary_location":{"id":"doi:10.1515/popets-2017-0037","is_oa":true,"landing_page_url":"https://doi.org/10.1515/popets-2017-0037","pdf_url":"https://content.sciendo.com/downloadpdf/journals/popets/2017/4/article-p5.pdf","source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://content.sciendo.com/downloadpdf/journals/popets/2017/4/article-p5.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5041341066","display_name":"Diogo Barradas","orcid":"https://orcid.org/0000-0003-0338-2692"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":true,"raw_author_name":"Diogo Barradas","raw_affiliation_strings":["INESC-ID, Instituto Superior T\u00e9cnico , Universidade de Lisboa"],"affiliations":[{"raw_affiliation_string":"INESC-ID, Instituto Superior T\u00e9cnico , Universidade de Lisboa","institution_ids":["https://openalex.org/I121345201"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5075037126","display_name":"Nuno Santos","orcid":"https://orcid.org/0000-0001-9938-0653"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Nuno Santos","raw_affiliation_strings":["INESC-ID, Instituto Superior T\u00e9cnico , Universidade de Lisboa"],"affiliations":[{"raw_affiliation_string":"INESC-ID, Instituto Superior T\u00e9cnico , Universidade de Lisboa","institution_ids":["https://openalex.org/I121345201"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5030019746","display_name":"Lu\u0131\u0301s Rodrigues","orcid":"https://orcid.org/0000-0002-0313-6590"},"institutions":[{"id":"https://openalex.org/I121345201","display_name":"Instituto de Engenharia de Sistemas e Computadores Investiga\u00e7\u00e3o e Desenvolvimento","ror":"https://ror.org/04mqy3p58","country_code":"PT","type":"nonprofit","lineage":["https://openalex.org/I121345201","https://openalex.org/I4210125590"]}],"countries":["PT"],"is_corresponding":false,"raw_author_name":"Lu\u00eds Rodrigues","raw_affiliation_strings":["INESC-ID, Instituto Superior T\u00e9cnico , Universidade de Lisboa"],"affiliations":[{"raw_affiliation_string":"INESC-ID, Instituto Superior T\u00e9cnico , Universidade de Lisboa","institution_ids":["https://openalex.org/I121345201"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5041341066"],"corresponding_institution_ids":["https://openalex.org/I121345201"],"apc_list":null,"apc_paid":null,"fwci":1.8683,"has_fulltext":false,"cited_by_count":38,"citation_normalized_percentile":{"value":0.89444379,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":94,"max":99},"biblio":{"volume":"2017","issue":"4","first_page":"5","last_page":"22"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","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/T11598","display_name":"Internet Traffic Analysis and Secure E-voting","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/T10400","display_name":"Network Security and Intrusion Detection","score":0.994700014591217,"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"}},{"id":"https://openalex.org/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":0.989300012588501,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.8056196570396423},{"id":"https://openalex.org/keywords/unobservable","display_name":"Unobservable","score":0.7909926176071167},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.7234949469566345},{"id":"https://openalex.org/keywords/videoconferencing","display_name":"Videoconferencing","score":0.5635618567466736},{"id":"https://openalex.org/keywords/throughput","display_name":"Throughput","score":0.5071494579315186},{"id":"https://openalex.org/keywords/network-packet","display_name":"Network packet","score":0.505385160446167},{"id":"https://openalex.org/keywords/latency","display_name":"Latency (audio)","score":0.41014358401298523},{"id":"https://openalex.org/keywords/wireless","display_name":"Wireless","score":0.1995948851108551},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.13653787970542908},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.1161314845085144}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.8056196570396423},{"id":"https://openalex.org/C2780695315","wikidata":"https://www.wikidata.org/wiki/Q3799040","display_name":"Unobservable","level":2,"score":0.7909926176071167},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.7234949469566345},{"id":"https://openalex.org/C22561748","wikidata":"https://www.wikidata.org/wiki/Q854954","display_name":"Videoconferencing","level":2,"score":0.5635618567466736},{"id":"https://openalex.org/C157764524","wikidata":"https://www.wikidata.org/wiki/Q1383412","display_name":"Throughput","level":3,"score":0.5071494579315186},{"id":"https://openalex.org/C158379750","wikidata":"https://www.wikidata.org/wiki/Q214111","display_name":"Network packet","level":2,"score":0.505385160446167},{"id":"https://openalex.org/C82876162","wikidata":"https://www.wikidata.org/wiki/Q17096504","display_name":"Latency (audio)","level":2,"score":0.41014358401298523},{"id":"https://openalex.org/C555944384","wikidata":"https://www.wikidata.org/wiki/Q249","display_name":"Wireless","level":2,"score":0.1995948851108551},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.13653787970542908},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.1161314845085144},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1515/popets-2017-0037","is_oa":true,"landing_page_url":"https://doi.org/10.1515/popets-2017-0037","pdf_url":"https://content.sciendo.com/downloadpdf/journals/popets/2017/4/article-p5.pdf","source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:ffb9055b18fd4eb99e3fd5ab4456baa6","is_oa":true,"landing_page_url":"https://doaj.org/article/ffb9055b18fd4eb99e3fd5ab4456baa6","pdf_url":null,"source":{"id":"https://openalex.org/S112646816","display_name":"SHILAP Revista de lepidopterolog\u00eda","issn_l":"0300-5267","issn":["0300-5267","2340-4078"],"is_oa":true,"is_in_doaj":true,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Proceedings on Privacy Enhancing Technologies, Vol 2017, Iss 4, Pp 5-22 (2017)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1515/popets-2017-0037","is_oa":true,"landing_page_url":"https://doi.org/10.1515/popets-2017-0037","pdf_url":"https://content.sciendo.com/downloadpdf/journals/popets/2017/4/article-p5.pdf","source":{"id":"https://openalex.org/S4210183172","display_name":"Proceedings on Privacy Enhancing Technologies","issn_l":"2299-0984","issn":["2299-0984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"host_organization":"https://openalex.org/P4310320322","host_organization_name":"De Gruyter Open","host_organization_lineage":["https://openalex.org/P4310320322","https://openalex.org/P4310313990"],"host_organization_lineage_names":["De Gruyter Open","De Gruyter"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings on Privacy Enhancing Technologies","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Peace, Justice and strong institutions","id":"https://metadata.un.org/sdg/16","score":0.699999988079071}],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2765719031.pdf","grobid_xml":"https://content.openalex.org/works/W2765719031.grobid-xml"},"referenced_works_count":30,"referenced_works":["https://openalex.org/W139582188","https://openalex.org/W1467762138","https://openalex.org/W1496108277","https://openalex.org/W1573930428","https://openalex.org/W1608222975","https://openalex.org/W1655958391","https://openalex.org/W1930197999","https://openalex.org/W1981790149","https://openalex.org/W1985776777","https://openalex.org/W2005625871","https://openalex.org/W2023276871","https://openalex.org/W2031211716","https://openalex.org/W2039844768","https://openalex.org/W2042477294","https://openalex.org/W2052565897","https://openalex.org/W2094522125","https://openalex.org/W2113030600","https://openalex.org/W2123243822","https://openalex.org/W2143668817","https://openalex.org/W2149541935","https://openalex.org/W2166718914","https://openalex.org/W2209711601","https://openalex.org/W2242737648","https://openalex.org/W2346832320","https://openalex.org/W2397223326","https://openalex.org/W2402967204","https://openalex.org/W2404168686","https://openalex.org/W2477562448","https://openalex.org/W2532745482","https://openalex.org/W2950479086"],"related_works":["https://openalex.org/W2130966263","https://openalex.org/W2386317283","https://openalex.org/W1574886642","https://openalex.org/W2779562428","https://openalex.org/W1987753576","https://openalex.org/W160116885","https://openalex.org/W2159903768","https://openalex.org/W2129840061","https://openalex.org/W2349117674","https://openalex.org/W2078309585"],"abstract_inverted_index":{"Abstract":[0],"This":[1],"paper":[2],"studies":[3],"the":[4,8,38,49,53],"possibility":[5],"of":[6,12,52],"using":[7],"encrypted":[9],"video":[10,39,54,100],"channel":[11],"widely":[13],"used":[14],"videoconferencing":[15],"applications,":[16],"such":[17,92],"as":[18,20,93],"Skype,":[19],"a":[21,59,66],"carrier":[22],"for":[23],"unobservable":[24],"covert":[25],"TCP/IP":[26,71],"communications.":[27],"We":[28,56],"propose":[29],"and":[30,69],"evaluate":[31],"different":[32],"alternatives":[33],"to":[34,43,88],"encode":[35],"information":[36],"in":[37,41],"stream":[40],"order":[42],"increase":[44],"available":[45],"throughput":[46,76],"while":[47],"preserving":[48],"packet-level":[50],"characteristics":[51],"stream.":[55],"have":[57],"built":[58],"censorship-resistant":[60],"system,":[61],"named":[62],"DeltaShaper,":[63],"which":[64],"offers":[65],"data-link":[67],"interface":[68],"supports":[70],"applications":[72],"that":[73,84],"tolerate":[74],"low":[75],"/":[77],"high":[78],"latency":[79],"links.":[80],"Our":[81],"results":[82],"show":[83],"it":[85],"is":[86],"possible":[87],"run":[89],"standard":[90],"protocols":[91],"FTP,":[94],"SMTP,":[95],"or":[96],"HTTP":[97],"over":[98],"Skype":[99],"streams.":[101]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":6},{"year":2024,"cited_by_count":6},{"year":2023,"cited_by_count":4},{"year":2022,"cited_by_count":5},{"year":2021,"cited_by_count":7},{"year":2020,"cited_by_count":7},{"year":2018,"cited_by_count":2}],"updated_date":"2026-03-15T09:29:46.208133","created_date":"2017-11-10T00:00:00"}
