{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11979488","patent":{"patent_number":"US-11979488","title":"Method and apparatus for generating key stream","assignee":null,"inventors":[],"filing_date":"2021-10-29T00:00:00.000Z","publication_date":"2024-05-07T00:00:00.000Z","cpc_codes":["H04L","G06F","G06F","G06F","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":28,"abstract":"A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set  defined based on a prime number t, based on a random bit string, an encryption counter, and a secret key that is an N-dimensional integer vector consisting of elements of the integer set , generating a first round output vector x1 by performing a modular addition operation on an initial vector and a first round key RK1 of the r round keys with the prime number t as a modulus, and generating a key stream that is an N-dimensional integer vector consisting of elements of the integer set  from the first round output vector x1 by using a second to r-th round keys of the r round keys, and one or more first round functions and a second round function."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for generating key stream","description":"A method for generating a key stream according to an embodiment includes generating r round keys that are each N-dimensional integer vectors including elements of an integer set  defined based on a pr","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11979488","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11979488","citation_suggestion":"Patentable. \"Method and apparatus for generating key stream\" (US-11979488). https://patentable.app/patents/US-11979488","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11979488","json":"https://patentable.app/api/llm-context/US-11979488","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:16:01.806Z"}