{"id":"https://openalex.org/keywords/pdf-encryption-software","display_name":"PDF encryption software","description":"PDF encryption software creates or manages cryptographic protections that control access to PDF documents and their features.","display_name_alternatives":["PDF encryptor","PDF encryption program","PDF document encryption software"],"ids":{"openalex":"https://openalex.org/keywords/pdf-encryption-software","wikidata":null},"primary_topic":{"id":"https://openalex.org/T13999","display_name":"Digital Rights Management and Security","score":0.3831,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T13999","display_name":"Digital Rights Management and Security","score":0.3831,"subfield":{"id":"https://openalex.org/subfields/1710","display_name":"Information Systems"},"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/T12734","display_name":"Information Systems and Technology Applications","score":0.2792,"subfield":{"id":"https://openalex.org/subfields/1404","display_name":"Management Information Systems"},"field":{"id":"https://openalex.org/fields/14","display_name":"Business, Management and Accounting"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"works_count":226,"cited_by_count":0,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/pdf-encryption-software","updated_date":"2026-10-05T15:14:03","created_date":"2026-09-30T00:00:00"}