{"id":"https://openalex.org/W2037069170","doi":"https://doi.org/10.1080/0161-118291857163","title":"A PEDAGOGICAL CIPHER (This paper is the winner of the CRYPTOLOGIA First Annual Undergraduate Paper Competition in Cryptology.)","display_name":"A PEDAGOGICAL CIPHER (This paper is the winner of the CRYPTOLOGIA First Annual Undergraduate Paper Competition in Cryptology.)","publication_year":1982,"publication_date":"1982-10-01","ids":{"openalex":"https://openalex.org/W2037069170","doi":"https://doi.org/10.1080/0161-118291857163","mag":"2037069170"},"language":"en","primary_location":{"id":"doi:10.1080/0161-118291857163","is_oa":false,"landing_page_url":"https://doi.org/10.1080/0161-118291857163","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/A5020832514","display_name":"Richard Outerbridge","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"RICHARD OUTERBRIDGE","raw_affiliation_strings":[],"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5020832514"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.17884615,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"6","issue":"4","first_page":"339","last_page":"345"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11017","display_name":"Chaos-based Image/Signal Encryption","score":0.9690999984741211,"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":0.9690999984741211,"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/stream-cipher","display_name":"Stream cipher","score":0.7804341316223145},{"id":"https://openalex.org/keywords/cryptography","display_name":"Cryptography","score":0.6939716339111328},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.6773372888565063},{"id":"https://openalex.org/keywords/encryption","display_name":"Encryption","score":0.6020255088806152},{"id":"https://openalex.org/keywords/cipher","display_name":"Cipher","score":0.501509428024292},{"id":"https://openalex.org/keywords/simple","display_name":"Simple (philosophy)","score":0.49646908044815063},{"id":"https://openalex.org/keywords/generator","display_name":"Generator (circuit theory)","score":0.45384377241134644},{"id":"https://openalex.org/keywords/calculator","display_name":"Calculator","score":0.45153293013572693},{"id":"https://openalex.org/keywords/computer-security","display_name":"Computer security","score":0.4431436061859131},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.43643930554389954},{"id":"https://openalex.org/keywords/competition","display_name":"Competition (biology)","score":0.4257250726222992},{"id":"https://openalex.org/keywords/arithmetic","display_name":"Arithmetic","score":0.36354076862335205},{"id":"https://openalex.org/keywords/mathematics","display_name":"Mathematics","score":0.21781402826309204},{"id":"https://openalex.org/keywords/operating-system","display_name":"Operating system","score":0.09653589129447937},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.07597798109054565}],"concepts":[{"id":"https://openalex.org/C92950451","wikidata":"https://www.wikidata.org/wiki/Q864718","display_name":"Stream cipher","level":3,"score":0.7804341316223145},{"id":"https://openalex.org/C178489894","wikidata":"https://www.wikidata.org/wiki/Q8789","display_name":"Cryptography","level":2,"score":0.6939716339111328},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.6773372888565063},{"id":"https://openalex.org/C148730421","wikidata":"https://www.wikidata.org/wiki/Q141090","display_name":"Encryption","level":2,"score":0.6020255088806152},{"id":"https://openalex.org/C2780221543","wikidata":"https://www.wikidata.org/wiki/Q4681865","display_name":"Cipher","level":3,"score":0.501509428024292},{"id":"https://openalex.org/C2780586882","wikidata":"https://www.wikidata.org/wiki/Q7520643","display_name":"Simple (philosophy)","level":2,"score":0.49646908044815063},{"id":"https://openalex.org/C2780992000","wikidata":"https://www.wikidata.org/wiki/Q17016113","display_name":"Generator (circuit theory)","level":3,"score":0.45384377241134644},{"id":"https://openalex.org/C2776836400","wikidata":"https://www.wikidata.org/wiki/Q31087","display_name":"Calculator","level":2,"score":0.45153293013572693},{"id":"https://openalex.org/C38652104","wikidata":"https://www.wikidata.org/wiki/Q3510521","display_name":"Computer security","level":1,"score":0.4431436061859131},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.43643930554389954},{"id":"https://openalex.org/C91306197","wikidata":"https://www.wikidata.org/wiki/Q45767","display_name":"Competition (biology)","level":2,"score":0.4257250726222992},{"id":"https://openalex.org/C94375191","wikidata":"https://www.wikidata.org/wiki/Q11205","display_name":"Arithmetic","level":1,"score":0.36354076862335205},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.21781402826309204},{"id":"https://openalex.org/C111919701","wikidata":"https://www.wikidata.org/wiki/Q9135","display_name":"Operating system","level":1,"score":0.09653589129447937},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.07597798109054565},{"id":"https://openalex.org/C111472728","wikidata":"https://www.wikidata.org/wiki/Q9471","display_name":"Epistemology","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C18903297","wikidata":"https://www.wikidata.org/wiki/Q7150","display_name":"Ecology","level":1,"score":0.0},{"id":"https://openalex.org/C138885662","wikidata":"https://www.wikidata.org/wiki/Q5891","display_name":"Philosophy","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1080/0161-118291857163","is_oa":false,"landing_page_url":"https://doi.org/10.1080/0161-118291857163","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":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2950447949","https://openalex.org/W2903451324","https://openalex.org/W2157451614","https://openalex.org/W1784733384","https://openalex.org/W571790067","https://openalex.org/W2615464719","https://openalex.org/W2483202600","https://openalex.org/W2893407266","https://openalex.org/W2391794278","https://openalex.org/W24612159"],"abstract_inverted_index":{"A":[0],"method":[1],"of":[2,20,29],"using":[3],"almost":[4],"any":[5],"simple":[6],"calculator":[7],"as":[8,45],"a":[9,18,38,46],"pseudo-random":[10],"number":[11],"generator":[12],"is":[13,25],"described":[14],"in":[15,37],"conjunction":[16],"with":[17],"form":[19],"polyalphabetic":[21],"substitution.":[22],"The":[23],"result":[24],"an":[26],"interesting":[27],"illustration":[28],"aperiodic":[30],"stream":[31],"encryption":[32],"which":[33],"might":[34],"be":[35],"useful":[36],"course":[39],"on":[40],"cryptography":[41],"or":[42],"computer":[43],"security":[44],"tangible":[47],"introduction":[48],"to":[49],"privacy":[50],"transformations.":[51]},"counts_by_year":[],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}