{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9749314","patent":{"patent_number":"US-9749314","title":"Recovery mechanism for fault-tolerant split-server passcode verification of one-time authentication tokens","assignee":null,"inventors":[],"filing_date":"2016-04-13T00:00:00.000Z","publication_date":"2017-08-29T00:00:00.000Z","cpc_codes":["H04L","H04L","H04L","H04L","H04L","H04L","H04L"],"num_claims":20,"abstract":"A recovery mechanism is provided for split-server passcode verification systems. An exemplary token-centric recovery scheme comprises at least one token and a plurality of authentication servers, comprises the steps of: determining that a first one of the plurality of authentication servers is unavailable; applying an authentication mechanism to a message requesting the token to change to a new split-state mode; and sending the authenticated message to the token. The authentication mechanism comprises, for example, a relying party signing the message using a next passcode of the new split-state mode. The new split-state mode comprises, for example, a single server passcode verification and wherein the next passcode of the new split-state mode comprises a next passcode of the single server. A client optionally changes to the new split-state mode after successfully verifying the authentication mechanism."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Recovery mechanism for fault-tolerant split-server passcode verification of one-time authentication tokens","description":"A recovery mechanism is provided for split-server passcode verification systems. An exemplary token-centric recovery scheme comprises at least one token and a plurality of authentication servers, comp","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9749314","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-9749314","citation_suggestion":"Patentable. \"Recovery mechanism for fault-tolerant split-server passcode verification of one-time authentication tokens\" (US-9749314). https://patentable.app/patents/US-9749314","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9749314","json":"https://patentable.app/api/llm-context/US-9749314","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:32:37.868Z"}