{"id":"https://openalex.org/W2006156883","doi":"https://doi.org/10.1080/0161-119191865858","title":"TREE FUNCTIONS AND CIPHER SYSTEMS","display_name":"TREE FUNCTIONS AND CIPHER SYSTEMS","publication_year":1991,"publication_date":"1991-07-01","ids":{"openalex":"https://openalex.org/W2006156883","doi":"https://doi.org/10.1080/0161-119191865858","mag":"2006156883"},"language":"en","primary_location":{"id":"doi:10.1080/0161-119191865858","is_oa":false,"landing_page_url":"https://doi.org/10.1080/0161-119191865858","pdf_url":null,"source":{"id":"https://openalex.org/S185196701","display_name":"Cryptologia","issn_l":"0161-1194","issn":["0161-1194","1558-1586"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Cryptologia","raw_type":"journal-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/A5046983053","display_name":"Ross Anderson","orcid":"https://orcid.org/0000-0001-8697-5682"},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Ross J. Anderson","raw_affiliation_strings":["4 Old Hall Lane, Worsley, Manchester M28 4GG, UNITED KINGDOM"],"affiliations":[{"raw_affiliation_string":"4 Old Hall Lane, Worsley, Manchester M28 4GG, UNITED KINGDOM","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5046983053"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":1.0353,"has_fulltext":false,"cited_by_count":12,"citation_normalized_percentile":{"value":0.7966316,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":97},"biblio":{"volume":"15","issue":"3","first_page":"194","last_page":"202"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10951","display_name":"Cryptographic Implementations and Security","score":0.9980999827384949,"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/T10951","display_name":"Cryptographic Implementations and Security","score":0.9980999827384949,"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/T12002","display_name":"Computability, Logic, AI Algorithms","score":0.9973999857902527,"subfield":{"id":"https://openalex.org/subfields/1703","display_name":"Computational Theory and Mathematics"},"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/T10237","display_name":"Cryptography and Data Security","score":0.9968000054359436,"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/hash-function","display_name":"Hash function","score":0.7371612787246704},{"id":"https://openalex.org/keywords/ciphertext","display_name":"Ciphertext","score":0.6437788605690002},{"id":"https://openalex.org/keywords/plaintext","display_name":"Plaintext","score":0.5657655000686646},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.5055892467498779},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5054230690002441},{"id":"https://openalex.org/keywords/mdc-2","display_name":"MDC-2","score":0.5044847726821899},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.41648048162460327},{"id":"https://openalex.org/keywords/algorithm","display_name":"Algorithm","score":0.3773365318775177},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.34412074089050293},{"id":"https://openalex.org/keywords/cryptographic-hash-function","display_name":"Cryptographic hash function","score":0.3296036720275879},{"id":"https://openalex.org/keywords/double-hashing","display_name":"Double hashing","score":0.18144923448562622},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.14437922835350037}],"concepts":[{"id":"https://openalex.org/C99138194","wikidata":"https://www.wikidata.org/wiki/Q183427","display_name":"Hash function","level":2,"score":0.7371612787246704},{"id":"https://openalex.org/C93974786","wikidata":"https://www.wikidata.org/wiki/Q1589480","display_name":"Ciphertext","level":3,"score":0.6437788605690002},{"id":"https://openalex.org/C92717368","wikidata":"https://www.wikidata.org/wiki/Q1162538","display_name":"Plaintext","level":3,"score":0.5657655000686646},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.5055892467498779},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5054230690002441},{"id":"https://openalex.org/C200086178","wikidata":"https://www.wikidata.org/wiki/Q3841252","display_name":"MDC-2","level":5,"score":0.5044847726821899},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.41648048162460327},{"id":"https://openalex.org/C11413529","wikidata":"https://www.wikidata.org/wiki/Q8366","display_name":"Algorithm","level":1,"score":0.3773365318775177},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.34412074089050293},{"id":"https://openalex.org/C7608002","wikidata":"https://www.wikidata.org/wiki/Q477202","display_name":"Cryptographic hash function","level":3,"score":0.3296036720275879},{"id":"https://openalex.org/C138111711","wikidata":"https://www.wikidata.org/wiki/Q478351","display_name":"Double hashing","level":4,"score":0.18144923448562622},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.14437922835350037}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/0161-119191865858","is_oa":false,"landing_page_url":"https://doi.org/10.1080/0161-119191865858","pdf_url":null,"source":{"id":"https://openalex.org/S185196701","display_name":"Cryptologia","issn_l":"0161-1194","issn":["0161-1194","1558-1586"],"is_oa":false,"is_in_doaj":false,"is_core":false,"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547"],"host_organization_lineage_names":["Taylor & Francis"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Cryptologia","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2356887643","https://openalex.org/W2098215198","https://openalex.org/W1483487117","https://openalex.org/W2343003591","https://openalex.org/W1987209102","https://openalex.org/W1524703908","https://openalex.org/W2157568185","https://openalex.org/W1554022419","https://openalex.org/W2184414350","https://openalex.org/W2399610286"],"abstract_inverted_index":{"A":[0],"number":[1],"of":[2,15,36,98],"encryption":[3],"systems":[4,22],"work":[5],"by":[6],"combining":[7],"each":[8],"plaintext":[9,67],"bit":[10],"with":[11,32,102],"a":[12,47,56,65,87,91,99],"hash":[13,44,72,104],"function":[14,45],"the":[16,43,51,96,103,108],"last":[17],"n":[18],"ciphertext":[19,30,58],"bits.":[20],"Such":[21],"are":[23,74],"self-synchronising":[24],"in":[25,120],"that":[26,41,70,81],"they":[27],"recover":[28],"from":[29],"errors":[31],"an":[33],"error":[34],"extension":[35],"n.":[37],"We":[38],"show":[39],"firstly":[40],"if":[42],"is":[46,53],"tree":[48,78],"function,":[49],"then":[50],"system":[52],"vulnerable":[54],"to":[55,64,76],"chosen":[57,66],"attack":[59,89],"and,":[60,106],"under":[61],"certain":[62],"circumstances,":[63],"attack;":[68],"secondly,":[69],"all":[71],"functions":[73],"equivalent":[75],"some":[77],"function;":[79,105],"thirdly,":[80],"whether":[82],"or":[83],"not":[84],"this":[85],"gives":[86],"computable":[88],"on":[90,95],"given":[92],"algorithm":[93,118],"depends":[94],"connectivity":[97],"graph":[100],"associated":[101],"fourthly,":[107],"implications":[109],"for":[110,112,117],"DES,":[111],"RSA":[113],"key":[114],"selection,":[115],"and":[116],"design":[119],"general.":[121]},"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2018,"cited_by_count":1},{"year":2015,"cited_by_count":3}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
