{"id":"https://openalex.org/W4313011621","doi":"https://doi.org/10.1109/access.2022.3217520","title":"A Novel Chaotic Image Encryption Algorithm Based on Coordinate Descent and SHA-256","display_name":"A Novel Chaotic Image Encryption Algorithm Based on Coordinate Descent and SHA-256","publication_year":2022,"publication_date":"2022-01-01","ids":{"openalex":"https://openalex.org/W4313011621","doi":"https://doi.org/10.1109/access.2022.3217520"},"language":"en","primary_location":{"id":"doi:10.1109/access.2022.3217520","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3217520","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09931131.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09931131.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5080145694","display_name":"Xiyu Sun","orcid":"https://orcid.org/0000-0001-9098-7352"},"institutions":[{"id":"https://openalex.org/I149735164","display_name":"Hengyang Normal University","ror":"https://ror.org/006bvjm48","country_code":"CN","type":"education","lineage":["https://openalex.org/I149735164"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xiyu Sun","raw_affiliation_strings":["College of Computer Science and Technology, Hengyang Normal University, Hengyang, China","Hunan Provincial Key Laboratory of Intelligent Information Processing and Application, Hengyang, China"],"raw_orcid":"https://orcid.org/0000-0001-9098-7352","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Hengyang Normal University, Hengyang, China","institution_ids":["https://openalex.org/I149735164"]},{"raw_affiliation_string":"Hunan Provincial Key Laboratory of Intelligent Information Processing and Application, Hengyang, China","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5058390936","display_name":"Zhong Chen","orcid":"https://orcid.org/0000-0002-5459-2094"},"institutions":[{"id":"https://openalex.org/I149735164","display_name":"Hengyang Normal University","ror":"https://ror.org/006bvjm48","country_code":"CN","type":"education","lineage":["https://openalex.org/I149735164"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Zhong Chen","raw_affiliation_strings":["College of Computer Science and Technology, Hengyang Normal University, Hengyang, China","Hunan Provincial Key Laboratory of Intelligent Information Processing and Application, Hengyang, China"],"raw_orcid":"https://orcid.org/0000-0002-5459-2094","affiliations":[{"raw_affiliation_string":"College of Computer Science and Technology, Hengyang Normal University, Hengyang, China","institution_ids":["https://openalex.org/I149735164"]},{"raw_affiliation_string":"Hunan Provincial Key Laboratory of Intelligent Information Processing and Application, Hengyang, China","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I149735164"],"apc_list":{"value":1850,"currency":"USD","value_usd":1850},"apc_paid":{"value":1850,"currency":"USD","value_usd":1850},"fwci":1.3703,"has_fulltext":true,"cited_by_count":14,"citation_normalized_percentile":{"value":0.82381559,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":99},"biblio":{"volume":"10","issue":null,"first_page":"114597","last_page":"114611"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11017","display_name":"Chaos-based Image/Signal Encryption","score":1.0,"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":1.0,"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/T10388","display_name":"Advanced Steganography and Watermarking Techniques","score":0.9902999997138977,"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/T10588","display_name":"Mathematical Dynamics and Fractals","score":0.9506000280380249,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/key-space","display_name":"Key space","score":0.79830002784729},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.7970461845397949},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.6431723833084106},{"id":"https://openalex.org/keywords/key","display_name":"Key (lock)","score":0.6357197165489197},{"id":"https://openalex.org/keywords/plaintext","display_name":"Plaintext","score":0.6188254356384277},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5942516922950745},{"id":"https://openalex.org/keywords/chaotic","display_name":"Chaotic","score":0.5423622131347656},{"id":"https://openalex.org/keywords/hash-function","display_name":"Hash function","score":0.4849986732006073},{"id":"https://openalex.org/keywords/watermarking-attack","display_name":"Watermarking attack","score":0.46008801460266113},{"id":"https://openalex.org/keywords/deterministic-encryption","display_name":"Deterministic encryption","score":0.45606744289398193},{"id":"https://openalex.org/keywords/ciphertext","display_name":"Ciphertext","score":0.4428812265396118},{"id":"https://openalex.org/keywords/histogram","display_name":"Histogram","score":0.4406702518463135},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.43180951476097107},{"id":"https://openalex.org/keywords/coordinate-descent","display_name":"Coordinate descent","score":0.4317004680633545},{"id":"https://openalex.org/keywords/key-size","display_name":"Key size","score":0.41698580980300903},{"id":"https://openalex.org/keywords/image","display_name":"Image (mathematics)","score":0.40765321254730225},{"id":"https://openalex.org/keywords/probabilistic-encryption","display_name":"Probabilistic encryption","score":0.38521474599838257},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.3801971971988678},{"id":"https://openalex.org/keywords/public-key-cryptography","display_name":"Public-key cryptography","score":0.25289398431777954},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.17557737231254578},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.09084585309028625}],"concepts":[{"id":"https://openalex.org/C105322999","wikidata":"https://www.wikidata.org/wiki/Q1557574","display_name":"Key space","level":3,"score":0.79830002784729},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.7970461845397949},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.6431723833084106},{"id":"https://openalex.org/C26517878","wikidata":"https://www.wikidata.org/wiki/Q228039","display_name":"Key (lock)","level":2,"score":0.6357197165489197},{"id":"https://openalex.org/C92717368","wikidata":"https://www.wikidata.org/wiki/Q1162538","display_name":"Plaintext","level":3,"score":0.6188254356384277},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5942516922950745},{"id":"https://openalex.org/C2777052490","wikidata":"https://www.wikidata.org/wiki/Q5072826","display_name":"Chaotic","level":2,"score":0.5423622131347656},{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.4849986732006073},{"id":"https://openalex.org/C122760801","wikidata":"https://www.wikidata.org/wiki/Q2552011","display_name":"Watermarking attack","level":5,"score":0.46008801460266113},{"id":"https://openalex.org/C57795399","wikidata":"https://www.wikidata.org/wiki/Q5265706","display_name":"Deterministic encryption","level":4,"score":0.45606744289398193},{"id":"https://openalex.org/C93974786","wikidata":"https://www.wikidata.org/wiki/Q1589480","display_name":"Ciphertext","level":3,"score":0.4428812265396118},{"id":"https://openalex.org/C53533937","wikidata":"https://www.wikidata.org/wiki/Q185020","display_name":"Histogram","level":3,"score":0.4406702518463135},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.43180951476097107},{"id":"https://openalex.org/C157553263","wikidata":"https://www.wikidata.org/wiki/Q5168004","display_name":"Coordinate descent","level":2,"score":0.4317004680633545},{"id":"https://openalex.org/C47750902","wikidata":"https://www.wikidata.org/wiki/Q1557574","display_name":"Key size","level":4,"score":0.41698580980300903},{"id":"https://openalex.org/C115961682","wikidata":"https://www.wikidata.org/wiki/Q860623","display_name":"Image (mathematics)","level":2,"score":0.40765321254730225},{"id":"https://openalex.org/C54569210","wikidata":"https://www.wikidata.org/wiki/Q7246854","display_name":"Probabilistic encryption","level":3,"score":0.38521474599838257},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.3801971971988678},{"id":"https://openalex.org/C203062551","wikidata":"https://www.wikidata.org/wiki/Q201339","display_name":"Public-key cryptography","level":3,"score":0.25289398431777954},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.17557737231254578},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.09084585309028625}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1109/access.2022.3217520","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3217520","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09931131.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:fdb0f94dc99a46fdb045cb044628e4af","is_oa":true,"landing_page_url":"https://doaj.org/article/fdb0f94dc99a46fdb045cb044628e4af","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"IEEE Access, Vol 10, Pp 114597-114611 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1109/access.2022.3217520","is_oa":true,"landing_page_url":"https://doi.org/10.1109/access.2022.3217520","pdf_url":"https://ieeexplore.ieee.org/ielx7/6287639/6514899/09931131.pdf","source":{"id":"https://openalex.org/S2485537415","display_name":"IEEE Access","issn_l":"2169-3536","issn":["2169-3536"],"is_oa":true,"is_in_doaj":true,"is_core":true,"host_organization":"https://openalex.org/P4310319808","host_organization_name":"Institute of Electrical and Electronics Engineers","host_organization_lineage":["https://openalex.org/P4310319808"],"host_organization_lineage_names":["Institute of Electrical and Electronics Engineers"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"IEEE Access","raw_type":"journal-article"},"sustainable_development_goals":[{"display_name":"Life below water","id":"https://metadata.un.org/sdg/14","score":0.8199999928474426}],"awards":[{"id":"https://openalex.org/G1098103476","display_name":null,"funder_award_id":"19A066","funder_id":"https://openalex.org/F4320311213","funder_display_name":"Education Department of Hunan Province"},{"id":"https://openalex.org/G3178059172","display_name":null,"funder_award_id":"2016TP1020","funder_id":"https://openalex.org/F4320330206","funder_display_name":"Science and Technology Program of Hunan Province"}],"funders":[{"id":"https://openalex.org/F4320311213","display_name":"Education Department of Hunan Province","ror":"https://ror.org/05ckg3w11"},{"id":"https://openalex.org/F4320330206","display_name":"Science and Technology Program of Hunan Province","ror":null}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4313011621.pdf","grobid_xml":"https://content.openalex.org/works/W4313011621.grobid-xml"},"referenced_works_count":64,"referenced_works":["https://openalex.org/W835513632","https://openalex.org/W1982712329","https://openalex.org/W1998453937","https://openalex.org/W2013503531","https://openalex.org/W2013850411","https://openalex.org/W2020039621","https://openalex.org/W2033975883","https://openalex.org/W2043478128","https://openalex.org/W2049556680","https://openalex.org/W2063534045","https://openalex.org/W2064824868","https://openalex.org/W2105145864","https://openalex.org/W2121927366","https://openalex.org/W2170926081","https://openalex.org/W2230451675","https://openalex.org/W2265031744","https://openalex.org/W2273415965","https://openalex.org/W2425286230","https://openalex.org/W2507521523","https://openalex.org/W2507650878","https://openalex.org/W2529163417","https://openalex.org/W2739818049","https://openalex.org/W2767875127","https://openalex.org/W2769587969","https://openalex.org/W2771982612","https://openalex.org/W2774571040","https://openalex.org/W2783134310","https://openalex.org/W2790033804","https://openalex.org/W2790225553","https://openalex.org/W2800623986","https://openalex.org/W2884571092","https://openalex.org/W2896409680","https://openalex.org/W2901602009","https://openalex.org/W2905420870","https://openalex.org/W2905741893","https://openalex.org/W2907856008","https://openalex.org/W2939102864","https://openalex.org/W2940705568","https://openalex.org/W2949612349","https://openalex.org/W2953473266","https://openalex.org/W2963332075","https://openalex.org/W2967307615","https://openalex.org/W2971578641","https://openalex.org/W2973940591","https://openalex.org/W2976698643","https://openalex.org/W2998204968","https://openalex.org/W2998983737","https://openalex.org/W3005779010","https://openalex.org/W3006583578","https://openalex.org/W3010845618","https://openalex.org/W3012197803","https://openalex.org/W3014936070","https://openalex.org/W3036595024","https://openalex.org/W3043241920","https://openalex.org/W3083333321","https://openalex.org/W3090698787","https://openalex.org/W3092259722","https://openalex.org/W3099556301","https://openalex.org/W3105543546","https://openalex.org/W3138453528","https://openalex.org/W3138986594","https://openalex.org/W6685531302","https://openalex.org/W6717539790","https://openalex.org/W6746152986"],"related_works":["https://openalex.org/W2353983817","https://openalex.org/W2143565504","https://openalex.org/W2160668065","https://openalex.org/W2372656059","https://openalex.org/W2039893264","https://openalex.org/W2011513561","https://openalex.org/W3005779010","https://openalex.org/W2766459238","https://openalex.org/W2387780648","https://openalex.org/W2069203610"],"abstract_inverted_index":{"In":[0,66],"recent":[1],"years,":[2],"chaotic":[3,51,203],"image":[4,107,127],"encryption":[5,28,64],"algorithms":[6],"with":[7,177,184,252],"key":[8,44,60,73,157,161,168,180],"and":[9,108,139,158,170,231,248,267],"plaintext":[10],"association":[11],"have":[12],"been":[13],"developed,":[14],"which":[15,53,79],"are":[16,102,147],"essentially":[17],"similar":[18],"to":[19,45,55,74,83,149,221],"a":[20,24,105,110,209],"one-time":[21,85],"pad":[22,86],"at":[23],"time":[25],"because":[26],"each":[27],"requires":[29],"the":[30,33,42,46,50,56,59,63,71,76,84,97,125,131,134,151,155,159,178,193,223,236,258,262],"transmission":[31],"of":[32,49,58,62,195,219,225,265],"key.":[34],"However,":[35],"some":[36,68],"existing":[37],"schemes":[38,69],"cannot":[39],"uniquely":[40],"map":[41],"seed":[43,118,156,167,179],"initial":[47],"value":[48,112],"system,":[52],"leads":[54],"reduction":[57],"space":[61],"system.":[65],"addition,":[67],"use":[70],"same":[72,77,126],"encrypt":[75],"image,":[78],"does":[80],"not":[81,190],"conform":[82],"strategy.":[87],"This":[88],"paper":[89,207],"solves":[90],"these":[91],"problems":[92],"from":[93],"two":[94],"aspects.":[95],"On":[96,130],"one":[98],"hand,":[99,133],"random":[100,171],"pixels":[101],"inserted":[103],"into":[104],"plain":[106],"then":[109],"hash":[111],"is":[113,128],"generated":[114],"using":[115],"SHA-256.":[116],"Different":[117],"keys":[119],"can":[120,164,199,238],"be":[121],"obtained":[122],"even":[123],"if":[124],"encrypted.":[129],"other":[132],"Sequential":[135],"Expansion":[136],"Algorithm":[137],"(SEA)":[138],"Feedback":[140],"Iterative":[141],"Piece-Wise":[142],"Linear":[143],"Chaotic":[144],"Mapping":[145],"(FI-PWLCM)":[146],"proposed":[148],"realize":[150],"one-to-one":[152,175],"correspondence":[153,176],"between":[154],"encrypted":[160],"stream.":[162],"SEA":[163],"quickly":[165],"generate":[166],"sensitive":[169],"sequences.":[172,204],"FI-PWLCM":[173],"achieves":[174,257],"through":[181],"feedback":[182],"iteration":[183],"more":[185,201],"control":[186],"parameters.":[187],"The":[188],"mapping":[189],"only":[191],"has":[192],"rapidity":[194],"PWLCM,":[196],"but":[197],"also":[198],"produce":[200],"complex":[202],"Besides,":[205],"this":[206],"proposes":[208],"Segmented":[210],"Coordinate":[211],"Descent":[212],"(SCD)":[213],"method":[214],"for":[215],"histogram":[216,266],"statistical":[217,228,246,263],"optimization":[218],"images":[220],"improve":[222],"ability":[224],"cryptosystems":[226],"against":[227],"attacks.":[229],"Experiments":[230],"security":[232],"analysis":[233],"show":[234],"that":[235],"algorithm":[237],"resist":[239],"chosen-plaintext":[240],"(chosen-ciphertext)":[241],"attacks,":[242,245],"brute":[243],"force":[244],"attacks":[247],"so":[249],"on.":[250],"Compared":[251],"most":[253],"current":[254],"algorithms,":[255],"it":[256],"best":[259],"performance":[260],"in":[261],"properties":[264],"entropy.":[268]},"counts_by_year":[{"year":2025,"cited_by_count":8},{"year":2024,"cited_by_count":6}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}