{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11277257","patent":{"patent_number":"US-11277257","title":"Method and apparatus for performing operation using encrypted data","assignee":null,"inventors":[],"filing_date":"2020-05-27T00:00:00.000Z","publication_date":"2022-03-15T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L"],"num_claims":20,"abstract":"A method for performing an operation according to one embodiment includes performing a homomorphic operation using one or more ciphertexts that are homomorphically encrypted based on an encryption key, determining a count value for a ciphertext generated through the homomorphic operation based on count values for each of the one or more ciphertexts, requesting a key management apparatus, which holds the encryption key and a decryption key corresponding to the encryption key, to re-encrypt the generated ciphertext based on the determined count value, acquiring, from the key management apparatus, a ciphertext generated by re-encrypting the generated ciphertext through decryption based on the decryption key and encryption based on the encryption key; and determining a count value for the acquired ciphertext to be a preset initial value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and apparatus for performing operation using encrypted data","description":"A method for performing an operation according to one embodiment includes performing a homomorphic operation using one or more ciphertexts that are homomorphically encrypted based on an encryption key","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11277257","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-11277257","citation_suggestion":"Patentable. \"Method and apparatus for performing operation using encrypted data\" (US-11277257). https://patentable.app/patents/US-11277257","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11277257","json":"https://patentable.app/api/llm-context/US-11277257","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T08:34:41.958Z"}