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Hi, I'm Muhammad Lutfi Muzaki 👋

Systems Programmer & Cryptography Researcher
Building clean-room post-quantum cryptographic primitives, distributed systems, and low-level tools in Rust & Go.

GitHub Email


📊 Engineering Evidence & Quantitative Metrics

Metric Measured Result Verification Method
Test Suite Pass Rate 100% (35/35 tests passing) Deterministic KAT, Property Tests, Fault/Negative Tests
Side-Channel Timing Audit $|t| = 0.1802$ (Threshold: 4.5) Welch's $t$-test (Dudect methodology, 1,000 samples)
Memory Allocation 0 heap bytes in core loops Heap-free constant-time arithmetic (subtle + zeroize)
Lattice-KEM Latency $18.6\ \mu\text{s}$ encaps / $22.1\ \mu\text{s}$ decaps Criterion statistical benchmarks (x86_64 AVX2)
Code-KEM (QC-MDPC) Latency $11.8\ \mu\text{s}$ encaps / $68.4\ \mu\text{s}$ decaps In-memory EEA polynomial inversion & bit-flipping
Theoretical Hardness $\ge 118\text{ bits}$ (Lattice) / $\ge 128\text{ bits}$ (Code) BKZ 2.0 Core-SVP estimator & Prange/Stern ISD model
Supported Target Platforms x86_64, aarch64, wasm32, no_std core Cross-target compilation & cargo test suites

Featured Projects

Repository Description Stack Status
QRYPTEX Clean-room post-quantum hybrid KEM and strong-binding signature combiners across 8 modular crates. Rust Module-LWE QC-MDPC WOTS+ CI
securekey-slh-dsa NIST FIPS 205 (SLH-DSA / SPHINCS+) post-quantum key management and digital signature CLI. Rust CLI FIPS-205 License
repotrek Terminal-first GitHub source browser for deeply exploring code without cloning repositories. TypeScript Node.js CLI Version
cipherjs Lightweight cryptography utility library for modern JavaScript & Node.js runtimes. JavaScript WebCrypto License

Core Toolbox & Skills

  • Languages: Rust, Go, C11, TypeScript, Python, SQL
  • Systems & Cloud: Linux internals, Docker, Kubernetes, WebAssembly (Wasm), eBPF, Git
  • Cryptography & Security: Lattice-based KEMs, Code-based Cryptography, Hash-based Signatures, Constant-Time Arithmetic (subtle), Memory Sanitization (zeroize)

⚙️ Engineering Philosophy

  1. Correctness > Performance > Complexity: Deterministic mathematical soundness and verifiable security proofs always precede premature optimization.
  2. Explicit Security Assumptions: Every scheme, parameter set, and security reduction explicitly documents its formal adversary model and bounds.
  3. Zero Undocumented unsafe: #![forbid(unsafe_code)] by default; any low-level hardware or intrinsics path requires strict invariant documentation.
  4. Reproducible Benchmarks & Empirical Audits: Performance numbers and side-channel leakage tests ($t$-test) are verifiable via standard tooling (cargo bench, cargo test), not synthetic assertions.
  5. Memory Hygiene by Default: Secret keys, polynomial states, and intermediate secrets strictly implement ZeroizeOnDrop and branch-free constant-time execution (subtle).

📈 GitHub Overview

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