SAN JOSE, Calif., Sept. 16, 2025 /PRNewswire/ — At the AI Infra Summit 2025, Cornami, a leader in scalable computing architectures, and DESILO, a privacy-enhancing technology (PET) startup, announced the deployment of a fully homomorphic encryption (FHE) based large language model (LLM). The solution processes sensitive data while it remains encrypted, delivering real-world speed and accuracy.
Breaking the Privacy vs. Performance Dilemma
From healthcare to financial services, enterprises have faced the same tradeoff: stronger data protection typically slows AI performance, while faster insights often compromise security. This collaboration addresses the long-standing dilemma by enabling encrypted AI inference at near plaintext speeds.
"For decades, FHE was considered too slow for real deployment. By accelerating encrypted computation, we are proving that enterprises can have both privacy and performance." Dr. Craig Gentry, Chief Scientist of Algorithms for Cornami, also known as the father of FHE, has been leading key innovations to provide unique value to this industry for Cornami and its software partners. One such innovation is plaintext ciphertext matrix multiplication (PCMM) which affects 90%+ of LLM compute. PCMM allows these operations to be executed securely with extremely low overhead. This innovation together with scalable acceleration using Cornami’s Compute Fabric results in orders-of-magnitude faster performance over traditional encrypted compute approaches. "The value of PCMM is that it makes privacy-preserving AI practical by enabling matrix multiplication — the core of LLM compute — to be executed efficiently and securely, closing the performance gap between fully encrypted and plaintext LLM inference computation while strengthening compliance, sovereignty, and post-quantum security," stated Dr. Craig Gentry.
Extending Encrypted AI Across Industries
Healthcare offers a clear use case. Clinical trials generate vast amounts of imaging and patient data that must remain secure, yet timely insights are critical. With this breakthrough, researchers can analyze encrypted records without exposing sensitive information.
Beyond healthcare, the same principles apply to finance, government, and cloud services where compliance with zero-trust and data sovereignty requirements is non-negotiable.Seungmyung Lee, CEO of DESILO, commented, "Our principle has always been simple:never decrypt. With Cornami, we are making that principle practical. This collaboration lays the foundation for enterprises to safely unlock high-value data, and it aligns with the upcoming launch of our HARVEST platform, which will support global healthcare partners."
About Cornami
Cornami delivers breakthrough performance for scalable computing, enabling advanced encryption technologies like FHE to operate at speeds previously unattainable. Its architecture is designed to accelerate privacy-preserving AI across industries that demand both security and scale.
About DESILO
DESILO is a Korea-based PET startup scaling globally with deployments across Asia and upcoming pilots in North America and Europe. The company develops secure collaboration solutions using FHE and federated learning, ensuring sensitive data never leaves encrypted form. Its flagship HARVEST platform, launching this December, accelerates secure multi-party data collaboration in healthcare and beyond.
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