Dane Sabo
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1.8 KiB
- "Giannarakis, Nick"
- "Hawblitzel, Chris"
- "Parno, Bryan"
- "Rastogi, Aseem"
- "Swamy, Nikhil" citekey: "fromherzVerifiedEfficientEmbedding2019" journal: "Source code for Article: A Verified, Efficient Embedding of A Verifiable Assembly Language" volume: 3 issue: POPL pages: 63:1–63:30
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- [-] A verified, efficient embedding of a verifiable assembly language #Reading ⏳ 2025-02-28 📅 2025-02-28 ❌ 2025-03-10
[!Abstract] High-performance cryptographic libraries often mix code written in a high-level language with code written in assembly. To support formally verifying the correctness and security of such hybrid programs, this paper presents an embedding of a subset of x64 assembly language in F* that allows efficient verification of both assembly and its interoperation with C code generated from F*. The key idea is to use the computational power of a dependent type system's type checker to run a verified verification-condition generator during type checking. This allows the embedding to customize the verification condition sent by the type checker to an SMT solver. By combining our proof-by-reflection style with SMT solving, we demonstrate improved automation for proving the correctness of assembly-language code. This approach has allowed us to complete the first-ever proof of correctness of an optimized implementation of AES-GCM, a cryptographic routine used by 90% of secure Internet traffic.>[!seealso] Related Papers