{"id":"https://openalex.org/W1976904723","doi":"https://doi.org/10.1109/itwitwn.2007.4318039","title":"On the frame length of Achterbahn-128/80","display_name":"On the frame length of Achterbahn-128/80","publication_year":2007,"publication_date":"2007-07-01","ids":{"openalex":"https://openalex.org/W1976904723","doi":"https://doi.org/10.1109/itwitwn.2007.4318039","mag":"1976904723"},"language":"en","primary_location":{"id":"doi:10.1109/itwitwn.2007.4318039","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itwitwn.2007.4318039","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE Information Theory Workshop on Information Theory for Wireless Networks","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/A5002960286","display_name":"Rainer G\u00f6ttfert","orcid":null},"institutions":[{"id":"https://openalex.org/I137594350","display_name":"Infineon Technologies (Germany)","ror":"https://ror.org/005kw6t15","country_code":"DE","type":"company","lineage":["https://openalex.org/I137594350"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Rainer Gottfert","raw_affiliation_strings":["Infineon Technologies, Neubiberg, Germany","Infineon Technol. AG, Neubiberg"],"affiliations":[{"raw_affiliation_string":"Infineon Technologies, Neubiberg, Germany","institution_ids":["https://openalex.org/I137594350"]},{"raw_affiliation_string":"Infineon Technol. AG, Neubiberg","institution_ids":["https://openalex.org/I137594350"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5013522389","display_name":"Berndt M. Gammel","orcid":"https://orcid.org/0000-0003-0908-6923"},"institutions":[{"id":"https://openalex.org/I137594350","display_name":"Infineon Technologies (Germany)","ror":"https://ror.org/005kw6t15","country_code":"DE","type":"company","lineage":["https://openalex.org/I137594350"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Berndt M. Gammel","raw_affiliation_strings":["Infineon Technologies, Neubiberg, Germany","Infineon Technol. AG, Neubiberg"],"affiliations":[{"raw_affiliation_string":"Infineon Technologies, Neubiberg, Germany","institution_ids":["https://openalex.org/I137594350"]},{"raw_affiliation_string":"Infineon Technol. AG, Neubiberg","institution_ids":["https://openalex.org/I137594350"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5002960286"],"corresponding_institution_ids":["https://openalex.org/I137594350"],"apc_list":null,"apc_paid":null,"fwci":1.4509,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.85078174,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":96},"biblio":{"volume":null,"issue":null,"first_page":"1","last_page":"5"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11130","display_name":"Coding theory and cryptography","score":0.9998000264167786,"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/T11130","display_name":"Coding theory and cryptography","score":0.9998000264167786,"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/T10951","display_name":"Cryptographic Implementations and Security","score":0.9994000196456909,"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":0.9918000102043152,"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/mathematical-proof","display_name":"Mathematical proof","score":0.6762281060218811},{"id":"https://openalex.org/keywords/keystream","display_name":"Keystream","score":0.543788731098175},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.4805070161819458},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.474604070186615},{"id":"https://openalex.org/keywords/tree","display_name":"Tree (set theory)","score":0.46274831891059875},{"id":"https://openalex.org/keywords/frame","display_name":"Frame (networking)","score":0.45495855808258057},{"id":"https://openalex.org/keywords/generalization","display_name":"Generalization","score":0.44505488872528076},{"id":"https://openalex.org/keywords/cryptanalysis","display_name":"Cryptanalysis","score":0.4352136254310608},{"id":"https://openalex.org/keywords/stream-cipher","display_name":"Stream cipher","score":0.4195624887943268},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.3911778926849365},{"id":"https://openalex.org/keywords/discrete-mathematics","display_name":"Discrete mathematics","score":0.38225966691970825},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.3073456883430481},{"id":"https://openalex.org/keywords/combinatorics","display_name":"Combinatorics","score":0.29539185762405396},{"id":"https://openalex.org/keywords/mathematical-analysis","display_name":"Mathematical analysis","score":0.07113736867904663}],"concepts":[{"id":"https://openalex.org/C108710211","wikidata":"https://www.wikidata.org/wiki/Q11538","display_name":"Mathematical proof","level":2,"score":0.6762281060218811},{"id":"https://openalex.org/C2776132008","wikidata":"https://www.wikidata.org/wiki/Q1509893","display_name":"Keystream","level":4,"score":0.543788731098175},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.4805070161819458},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.474604070186615},{"id":"https://openalex.org/C113174947","wikidata":"https://www.wikidata.org/wiki/Q2859736","display_name":"Tree (set theory)","level":2,"score":0.46274831891059875},{"id":"https://openalex.org/C126042441","wikidata":"https://www.wikidata.org/wiki/Q1324888","display_name":"Frame (networking)","level":2,"score":0.45495855808258057},{"id":"https://openalex.org/C177148314","wikidata":"https://www.wikidata.org/wiki/Q170084","display_name":"Generalization","level":2,"score":0.44505488872528076},{"id":"https://openalex.org/C181149355","wikidata":"https://www.wikidata.org/wiki/Q897511","display_name":"Cryptanalysis","level":3,"score":0.4352136254310608},{"id":"https://openalex.org/C92950451","wikidata":"https://www.wikidata.org/wiki/Q864718","display_name":"Stream cipher","level":3,"score":0.4195624887943268},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3911778926849365},{"id":"https://openalex.org/C118615104","wikidata":"https://www.wikidata.org/wiki/Q121416","display_name":"Discrete mathematics","level":1,"score":0.38225966691970825},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.3073456883430481},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.29539185762405396},{"id":"https://openalex.org/C134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","level":1,"score":0.07113736867904663},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/itwitwn.2007.4318039","is_oa":false,"landing_page_url":"https://doi.org/10.1109/itwitwn.2007.4318039","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 IEEE Information Theory Workshop on Information Theory for Wireless Networks","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.182.694","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.182.694","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www.ecrypt.eu.org/stream/papersdir/2007/041.pdf","raw_type":"text"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":3,"referenced_works":["https://openalex.org/W1590214610","https://openalex.org/W1595237275","https://openalex.org/W1684916776"],"related_works":["https://openalex.org/W2103272980","https://openalex.org/W2950325680","https://openalex.org/W2163846246","https://openalex.org/W3001214808","https://openalex.org/W2130959496","https://openalex.org/W2614608824","https://openalex.org/W1901549827","https://openalex.org/W3029464614","https://openalex.org/W1583325060","https://openalex.org/W1967729419"],"abstract_inverted_index":{"In":[0,116],"this":[1],"paper":[2],"we":[3,129],"examine":[4],"a":[5,21,78,120],"correlation":[6,86,136],"attack":[7,87,139],"against":[8],"combination":[9,80],"generators":[10],"introduced":[11],"by":[12,25],"Meier":[13],"et":[14],"al.":[15],"in":[16,32,58,71],"2006":[17],"and":[18,40,62,150,176],"extended":[19],"to":[20,118,164],"more":[22],"powerful":[23],"tool":[24],"Naya-Plasencia.":[26],"The":[27],"method":[28,47],"has":[29,140],"been":[30],"used":[31],"the":[33,36,46,64,84,94,124,134,171],"cryptanalysis":[34],"of":[35,97,127,133,174],"stream":[37],"ciphers":[38],"Achterbahn":[39],"Achterbahn-128/80.":[41],"No":[42],"mathematical":[43],"proofs":[44,54],"for":[45,123,161,170],"were":[48],"given.":[49],"We":[50,82],"show":[51,92],"that":[52,63,68,90,93],"rigorous":[53],"can":[55,99],"be":[56,100],"given":[57],"an":[59],"appropriate":[60],"model,":[61],"implications":[65],"derived":[66],"from":[67,77],"model":[69],"are":[70],"accordance":[72],"with":[73,102],"experimental":[74],"results":[75,159],"obtained":[76],"true":[79],"generator.":[81],"generalize":[83],"new":[85,168],"and,":[88],"using":[89,108],"generalization,":[91],"internal":[95],"state":[96],"Achterbahn-128":[98,128,175],"recovered":[101],"complexity":[103,141],"2":[104,109,142,152,179],"<sup":[105,110,143,153,180],"xmlns:mml=\"http://www.w3.org/1998/Math/MathML\"":[106,111,144,154,181],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">119</sup>":[107],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">48.54</sup>":[112],"consecutive":[113],"keystream":[114,156],"bits.":[115,157,183],"order":[117],"investigate":[119],"lower":[121],"bound":[122],"frame":[125,172],"length":[126,173],"consider":[130],"another":[131],"application":[132],"generalized":[135],"attack.":[137],"This":[138],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">136</sup>":[145],"(higher":[146],"than":[147],"brute":[148],"force)":[149],"requires":[151],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">44.99</sup>":[155],"Similar":[158],"hold":[160],"Achterbahn-128.":[162],"Due":[163],"these":[165],"findings":[166],"our":[167],"recommendation":[169],"Achterbahn-80":[177],"is":[178],"xmlns:xlink=\"http://www.w3.org/1999/xlink\">44</sup>":[182]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-04-05T17:49:38.594831","created_date":"2025-10-10T00:00:00"}