Monthly summary for NVIDIA/CUDALibrarySamples — August 2025. Key features delivered: - cuPQC SDK v0.4: Poseidon2 hashing and Merkle tree samples implemented and integrated in the NVIDIA/CUDALibrarySamples repository. Updated to reflect SDK v0.4 capabilities, including Poseidon2 hashing demonstrations and Merkle tree operations. - End-to-end examples: Added examples to generate and verify Merkle proofs and to demonstrate Poseidon2 hashing workflows. - Documentation and build updates: Updated Makefile and README to reflect cuPQC SDK v0.4, ensuring build consistency and clear usage instructions. - Change reference: Commit b662dfbe1b1384968fa83966d54125a9c7084a04 (Adding the samples from the 0.4 release of cuPQC SDK). Major bugs fixed: - No major bugs reported or fixed this month; no bug-fix commits recorded. Overall impact and accomplishments: - Accelerates adoption of cuPQC SDK v0.4 by providing ready-to-run samples that demonstrate Poseidon2 hashing and Merkle tree workflows. - Improves developer onboarding and integration readiness through updated build and documentation, reducing setup time. - Demonstrates strong alignment between sample code and latest cryptographic primitives, enhancing security demonstrations in client projects. Technologies/skills demonstrated: - C/C++, Makefile/build system maintenance, and documentation updates. - Integration and demonstration of cryptographic primitives (Poseidon2) and Merkle tree workflows. - Versioned SDK integration and sample testing readiness.

May 2025: Fixed ML_KEM Key Generation Vector Persistence bug in NVIDIA/CUDALibrarySamples. Corrected vectors (public_keys/secret_keys) to be passed by reference so updates persist during key generation, eliminating a source of data loss/corruption. Commit 8802485cdc5ce974595ef57dd6c77a62256825f9. Impact: more reliable KEM key generation, safer key material, and fewer downstream crypto risks.

March 2025 Monthly Summary for NVIDIA/CUDALibrarySamples focusing on cuPQC upgrade and hashing demos. Key activities delivered the cuPQC v0.3.0 upgrade and the addition of SHA2/SHA3 hashing demonstrations, with build and documentation updates to reflect the change. This work enhances cryptographic benchmarking capabilities and demonstrates CUDA-based hashing workflows, supporting faster evaluation and adoption of cuPQC 0.3.0.

Month: 2025-01 — open-quantum-safe/liboqs: GPU-accelerated ML-KEM backend integrated via NVIDIA cuPQC. Implemented CUDA sources, updated CMake/build configurations, refreshed documentation, and CI/platform adjustments to enable GPU-backed cryptographic operations. No major bugs reported this month. Business impact includes higher throughput for ML-KEM cryptography and groundwork for broader GPU acceleration aligned with NVIDIA cuPQC roadmap. Commit reference: 6a16ac68b59423b4b0068f9faf97cc5162f6d453 (NVIDIA: Adding cuPQC as a backend for ML-KEM. (#2044)).

Month 2024-12: Focused on delivering cuPQC-related features for NVIDIA/CUDALibrarySamples (v0.2.0) and reorganizing the cuPQC sample suite to improve accessibility and maintainability. Delivered end-to-end example coverage for ML-KEM and ML-DSA APIs, and updated repository structure to enhance discoverability for users integrating cuPQC into their workflows.