{"id":"https://openalex.org/W2901910631","doi":"https://doi.org/10.1109/ictc.2018.8539674","title":"Study on Security Enhancement of 64-Bit NFSR-based Block Cipher Systems with Ring Structure","display_name":"Study on Security Enhancement of 64-Bit NFSR-based Block Cipher Systems with Ring Structure","publication_year":2018,"publication_date":"2018-10-01","ids":{"openalex":"https://openalex.org/W2901910631","doi":"https://doi.org/10.1109/ictc.2018.8539674","mag":"2901910631"},"language":"en","primary_location":{"id":"doi:10.1109/ictc.2018.8539674","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ictc.2018.8539674","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 International Conference on Information and Communication Technology Convergence (ICTC)","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/A5001181522","display_name":"Toshihiro Ichiki","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":"Toshihiro Ichiki","raw_affiliation_strings":["Department of Computer Science and Electrical Engineering, Kumamoto University, Kumamoto, Japan"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Electrical Engineering, Kumamoto University, Kumamoto, 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"],"affiliations":[{"raw_affiliation_string":"Department of Computer Science and Electrical Engineering, Kumamoto University, Kumamoto, Japan","institution_ids":["https://openalex.org/I96036126"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5001181522"],"corresponding_institution_ids":["https://openalex.org/I96036126"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.13799905,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":91,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"842","last_page":"844"},"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":0.9995999932289124,"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":0.9986000061035156,"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":0.6919152736663818},{"id":"https://openalex.org/keywords/block-cipher","display_name":"Block cipher","score":0.6408143043518066},{"id":"https://openalex.org/keywords/cbc-mac","display_name":"CBC-MAC","score":0.5868019461631775},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.5575255751609802},{"id":"https://openalex.org/keywords/cipher","display_name":"Cipher","score":0.5072078704833984},{"id":"https://openalex.org/keywords/triple-des","display_name":"Triple DES","score":0.4869769513607025},{"id":"https://openalex.org/keywords/affine-cipher","display_name":"Affine cipher","score":0.4663374125957489},{"id":"https://openalex.org/keywords/pseudorandom-number-generator","display_name":"Pseudorandom number generator","score":0.46053576469421387},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4528922438621521},{"id":"https://openalex.org/keywords/running-key-cipher","display_name":"Running key cipher","score":0.4102441668510437},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.33444744348526},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.31406885385513306},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.29885634779930115},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.26199036836624146},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.19677764177322388}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6919152736663818},{"id":"https://openalex.org/C106544461","wikidata":"https://www.wikidata.org/wiki/Q543151","display_name":"Block cipher","level":3,"score":0.6408143043518066},{"id":"https://openalex.org/C156529985","wikidata":"https://www.wikidata.org/wiki/Q2736227","display_name":"CBC-MAC","level":4,"score":0.5868019461631775},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.5575255751609802},{"id":"https://openalex.org/C2780221543","wikidata":"https://www.wikidata.org/wiki/Q4681865","display_name":"Cipher","level":3,"score":0.5072078704833984},{"id":"https://openalex.org/C90897222","wikidata":"https://www.wikidata.org/wiki/Q134983","display_name":"Triple DES","level":4,"score":0.4869769513607025},{"id":"https://openalex.org/C57669260","wikidata":"https://www.wikidata.org/wiki/Q382486","display_name":"Affine cipher","level":5,"score":0.4663374125957489},{"id":"https://openalex.org/C140642157","wikidata":"https://www.wikidata.org/wiki/Q1623338","display_name":"Pseudorandom number generator","level":2,"score":0.46053576469421387},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4528922438621521},{"id":"https://openalex.org/C64119674","wikidata":"https://www.wikidata.org/wiki/Q7380031","display_name":"Running key cipher","level":4,"score":0.4102441668510437},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.33444744348526},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.31406885385513306},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.29885634779930115},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.26199036836624146},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.19677764177322388}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/ictc.2018.8539674","is_oa":false,"landing_page_url":"https://doi.org/10.1109/ictc.2018.8539674","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2018 International Conference on Information and Communication Technology Convergence (ICTC)","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.4399999976158142,"id":"https://metadata.un.org/sdg/17","display_name":"Partnerships for the goals"}],"awards":[],"funders":[{"id":"https://openalex.org/F4320334764","display_name":"Japan Society for the Promotion of Science","ror":"https://ror.org/00hhkn466"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W2041310808","https://openalex.org/W2800327606","https://openalex.org/W3089447097","https://openalex.org/W7024859533"],"related_works":["https://openalex.org/W3005443245","https://openalex.org/W2780660191","https://openalex.org/W2531227589","https://openalex.org/W4383551881","https://openalex.org/W3097084064","https://openalex.org/W2394373026","https://openalex.org/W2375692279","https://openalex.org/W2994366300","https://openalex.org/W2963298596","https://openalex.org/W2156707592"],"abstract_inverted_index":{"In":[0,17,57],"the":[1,62],"modern":[2],"information":[3],"society,":[4],"security":[5,72],"techniques":[6],"(cryptography,":[7],"authentication)":[8],"are":[9],"very":[10],"important":[11],"when":[12],"we":[13,60],"exchange":[14],"secret/private":[15],"information.":[16],"our":[18],"laboratory,":[19],"block":[20,65],"cipher":[21,66],"systems":[22,67],"using":[23],"nonlinear":[24],"feedback":[25],"shift":[26],"register":[27],"(NFSR)":[28],"have":[29],"been":[30,36],"proposed":[31],"and":[32,52],"their":[33],"performance":[34],"has":[35],"evaluated.":[37],"The":[38],"NFSR":[39],"is":[40,47],"one":[41],"of":[42,49],"pseudorandom":[43],"number":[44],"generators,":[45],"which":[46],"composed":[48],"D":[50],"flip-flops":[51],"a":[53],"combinational":[54],"logic":[55],"circuit.":[56],"this":[58],"paper,":[59],"improve":[61],"NFSR-based":[63],"64-bit":[64],"with":[68],"ring":[69],"structure":[70],"for":[71],"enhancement.":[73]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2025,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}