{"id":"https://openalex.org/W2041310808","doi":"https://doi.org/10.1109/apccas.2012.6418981","title":"Key-sensitivity improvement of block cipher systems based on nonlinear feedback shift registers","display_name":"Key-sensitivity improvement of block cipher systems based on nonlinear feedback shift registers","publication_year":2012,"publication_date":"2012-12-01","ids":{"openalex":"https://openalex.org/W2041310808","doi":"https://doi.org/10.1109/apccas.2012.6418981","mag":"2041310808"},"language":"en","primary_location":{"id":"doi:10.1109/apccas.2012.6418981","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2012.6418981","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Asia Pacific Conference on Circuits and Systems","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/A5030217034","display_name":"Kotaro Fukuda","orcid":null},"institutions":[{"id":"https://openalex.org/I96036126","display_name":"Kumamoto University","ror":"https://ror.org/02cgss904","country_code":"JP","type":"education","lineage":["https://openalex.org/I96036126"]}],"countries":["JP"],"is_corresponding":true,"raw_author_name":"Kotaro Fukuda","raw_affiliation_strings":["Department of Computer Science and Electrical Engineering, Kumamoto University, Kumamoto, Japan","Department of Computer Science and Electrical Engineering, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, 860-8555, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Electrical Engineering, Kumamoto University, Kumamoto, Japan","institution_ids":["https://openalex.org/I96036126"]},{"raw_affiliation_string":"Department of Computer Science and Electrical Engineering, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, 860-8555, Japan","institution_ids":["https://openalex.org/I96036126"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5015351071","display_name":"Akio Tsuneda","orcid":"https://orcid.org/0000-0002-6531-2043"},"institutions":[{"id":"https://openalex.org/I96036126","display_name":"Kumamoto University","ror":"https://ror.org/02cgss904","country_code":"JP","type":"education","lineage":["https://openalex.org/I96036126"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Akio Tsuneda","raw_affiliation_strings":["Department of Computer Science and Electrical Engineering, Kumamoto University, Kumamoto, Japan","Department of Computer Science and Electrical Engineering, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, 860-8555, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Electrical Engineering, Kumamoto University, Kumamoto, Japan","institution_ids":["https://openalex.org/I96036126"]},{"raw_affiliation_string":"Department of Computer Science and Electrical Engineering, Kumamoto University, 2-39-1 Kurokami, Chuo-ku, 860-8555, Japan","institution_ids":["https://openalex.org/I96036126"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5030217034"],"corresponding_institution_ids":["https://openalex.org/I96036126"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":4,"citation_normalized_percentile":{"value":0.1133586,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"3","issue":null,"first_page":"100","last_page":"103"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9998999834060669,"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"}},"topics":[{"id":"https://openalex.org/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9998999834060669,"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/T10951","display_name":"Cryptographic Implementations and Security","score":0.9997000098228455,"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/T11130","display_name":"Coding theory and cryptography","score":0.998199999332428,"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/block-cipher","display_name":"Block cipher","score":0.7789484858512878},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7442495822906494},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.6989709138870239},{"id":"https://openalex.org/keywords/cipher","display_name":"Cipher","score":0.5781295299530029},{"id":"https://openalex.org/keywords/cbc-mac","display_name":"CBC-MAC","score":0.5357709527015686},{"id":"https://openalex.org/keywords/running-key-cipher","display_name":"Running key cipher","score":0.49571144580841064},{"id":"https://openalex.org/keywords/block-cipher-mode-of-operation","display_name":"Block cipher mode of operation","score":0.4944324493408203},{"id":"https://openalex.org/keywords/triple-des","display_name":"Triple DES","score":0.4912108778953552},{"id":"https://openalex.org/keywords/sensitivity","display_name":"Sensitivity (control systems)","score":0.47839295864105225},{"id":"https://openalex.org/keywords/block","display_name":"Block (permutation group theory)","score":0.47099417448043823},{"id":"https://openalex.org/keywords/shift-register","display_name":"Shift register","score":0.45672446489334106},{"id":"https://openalex.org/keywords/stream-cipher","display_name":"Stream cipher","score":0.41931378841400146},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4076760411262512},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.381450891494751},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.36540383100509644},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.2400372326374054},{"id":"https://openalex.org/keywords/electronic-engineering","display_name":"Electronic engineering","score":0.16805940866470337},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.14529255032539368},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.14102935791015625},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.11480003595352173},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.08908858895301819},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.07767096161842346}],"concepts":[{"id":"https://openalex.org/C106544461","wikidata":"https://www.wikidata.org/wiki/Q543151","display_name":"Block cipher","level":3,"score":0.7789484858512878},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7442495822906494},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.6989709138870239},{"id":"https://openalex.org/C2780221543","wikidata":"https://www.wikidata.org/wiki/Q4681865","display_name":"Cipher","level":3,"score":0.5781295299530029},{"id":"https://openalex.org/C156529985","wikidata":"https://www.wikidata.org/wiki/Q2736227","display_name":"CBC-MAC","level":4,"score":0.5357709527015686},{"id":"https://openalex.org/C64119674","wikidata":"https://www.wikidata.org/wiki/Q7380031","display_name":"Running key cipher","level":4,"score":0.49571144580841064},{"id":"https://openalex.org/C60448319","wikidata":"https://www.wikidata.org/wiki/Q154021","display_name":"Block cipher mode of operation","level":2,"score":0.4944324493408203},{"id":"https://openalex.org/C90897222","wikidata":"https://www.wikidata.org/wiki/Q134983","display_name":"Triple DES","level":4,"score":0.4912108778953552},{"id":"https://openalex.org/C21200559","wikidata":"https://www.wikidata.org/wiki/Q7451068","display_name":"Sensitivity (control systems)","level":2,"score":0.47839295864105225},{"id":"https://openalex.org/C2777210771","wikidata":"https://www.wikidata.org/wiki/Q4927124","display_name":"Block (permutation group theory)","level":2,"score":0.47099417448043823},{"id":"https://openalex.org/C49654631","wikidata":"https://www.wikidata.org/wiki/Q746165","display_name":"Shift register","level":3,"score":0.45672446489334106},{"id":"https://openalex.org/C92950451","wikidata":"https://www.wikidata.org/wiki/Q864718","display_name":"Stream cipher","level":3,"score":0.41931378841400146},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4076760411262512},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.381450891494751},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.36540383100509644},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.2400372326374054},{"id":"https://openalex.org/C24326235","wikidata":"https://www.wikidata.org/wiki/Q126095","display_name":"Electronic engineering","level":1,"score":0.16805940866470337},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.14529255032539368},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.14102935791015625},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.11480003595352173},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.08908858895301819},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.07767096161842346},{"id":"https://openalex.org/C165005293","wikidata":"https://www.wikidata.org/wiki/Q1074500","display_name":"Chip","level":2,"score":0.0},{"id":"https://openalex.org/C2524010","wikidata":"https://www.wikidata.org/wiki/Q8087","display_name":"Geometry","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/apccas.2012.6418981","is_oa":false,"landing_page_url":"https://doi.org/10.1109/apccas.2012.6418981","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2012 IEEE Asia Pacific Conference on Circuits and Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":7,"referenced_works":["https://openalex.org/W197055099","https://openalex.org/W1503108228","https://openalex.org/W1569815092","https://openalex.org/W2101411296","https://openalex.org/W2120706888","https://openalex.org/W6630203834","https://openalex.org/W6634238363"],"related_works":["https://openalex.org/W2780660191","https://openalex.org/W2354856341","https://openalex.org/W2532209479","https://openalex.org/W3097084064","https://openalex.org/W2531227589","https://openalex.org/W2373660491","https://openalex.org/W2187592226","https://openalex.org/W2150486630","https://openalex.org/W2782133800","https://openalex.org/W4388831956"],"abstract_inverted_index":{"We":[0,22,67],"proposed":[1,28],"a":[2],"block":[3,30,58],"cipher":[4,31,59],"system":[5,32,60],"based":[6],"on":[7],"the":[8,27,39,57,64,69,73,81],"discretized":[9],"Bernoulli":[10],"map":[11],"that":[12],"can":[13],"be":[14],"implemented":[15],"by":[16],"nonlinear":[17],"feedback":[18],"shift":[19],"registers":[20],"(NFSRs).":[21],"examined":[23],"basic":[24],"characteristics":[25],"of":[26,34,52,56,63,72],"64-bit":[29],"consisting":[33],"eight":[35,40],"8-stage":[36],"NFSRs,":[37],"where":[38],"NFSRs":[41],"are":[42],"parallel-processed.":[43],"In":[44],"this":[45],"paper,":[46],"we":[47],"propose":[48],"several":[49],"new":[50,74],"methods":[51],"secret":[53],"key":[54,65,70,75],"setting":[55],"for":[61],"improvement":[62],"sensitivity.":[66],"evaluate":[68],"sensitivity":[71],"settings":[76],"and":[77],"compare":[78],"it":[79],"with":[80],"conventional":[82],"method.":[83]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}