4 papers
WHET: Welding Homomorphic Encryption to Accelerator Architectures
Jongmin Kim, Hyesung Ji, Wonseok Choi +2
Fully homomorphic encryption (FHE) enables computations on encrypted data without decryption, offering strong data privacy at the expense of substantial computational and memory ov…
VIPIR: A Versatile GPU Framework for Integrating Private Information Retrieval Protocols
Jongmin Kim, Hyesung Ji, Jean-Luc Watson +3
While private information retrieval (PIR) enables private database services by fully concealing access patterns, it simultaneously requires high computational throughput, large mem…
GPIR: Enabling Practical Private Information Retrieval with GPUs
Hyesung Ji, Hyunah Yu, Jongmin Kim +3
Private information retrieval (PIR) allows private database queries; however, it is hindered by intense server-side computation and memory traffic. Numerous modern lattice-based PI…
PVAC: A RowHammer Mitigation Architecture Exploiting Per-victim-row Counting
Jumin Kim, Seungmin Baek, Hwayong Nam +3
As DRAM scaling exacerbates RowHammer, DDR5 introduces per-row activation counting (PRAC) to track aggressor activity. However, PRAC indiscriminately increments counters on every a…