{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11989285","patent":{"patent_number":"US-11989285","title":"Thwarting store-to-load forwarding side channel attacks by pre-forwarding matching of physical address proxies and/or permission checking","assignee":null,"inventors":[],"filing_date":"2021-09-10T00:00:00.000Z","publication_date":"2024-05-21T00:00:00.000Z","cpc_codes":["G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","G06F","H04L","G06F","G06F","G06F","G06F","G06F","G06F"],"num_claims":27,"abstract":"A method and system for mitigating against side channel attacks (SCA) that exploit speculative store-to-load forwarding is described. The method comprises ensuring that the physical load and store addresses match and/or that permissions are present before speculatively store-to-load forwarding. Various improvements maintain a short load-store pipeline, including usage of a virtual level-one data cache (DL1), usage of an inclusive physical level-two data cache (DL2), storage and lookup of physical data address equivalents in the DL1, and using a memory dependence predictor (MDP) to speed up or replace store queue camming of load data addresses against store data addresses."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Thwarting store-to-load forwarding side channel attacks by pre-forwarding matching of physical address proxies and/or permission checking","description":"A method and system for mitigating against side channel attacks (SCA) that exploit speculative store-to-load forwarding is described. The method comprises ensuring that the physical load and store add","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11989285","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-11989285","citation_suggestion":"Patentable. \"Thwarting store-to-load forwarding side channel attacks by pre-forwarding matching of physical address proxies and/or permission checking\" (US-11989285). https://patentable.app/patents/US-11989285","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11989285","json":"https://patentable.app/api/llm-context/US-11989285","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T12:47:05.861Z"}