TLDR: NTT Research and NTT R&D scientists made a significant impact at Crypto 2025, presenting 23 papers—approximately 15% of all accepted submissions—and earning the coveted Best Paper Award for their work on quantum cryptography. Their contributions highlight advancements in digital security, particularly in the face of evolving threats from AI and quantum computing.
SUNNYVALE, Calif. & TOKYO – NTT Research, Inc. and NTT R&D, divisions of the global technology giant NTT (TYO:9432), have announced a remarkable showing at Crypto 2025, one of the world’s premier conferences on cryptographic study. The company’s scientists presented an impressive 23 papers, accounting for approximately 15% of the 156 total accepted papers at the event. This strong presence was further underscored by receiving the conference’s highly esteemed Best Paper Award.
The 45th annual Crypto 2025, organized by the International Association for Cryptologic Research (IACR), took place from August 17-21, 2025, both virtually and in Santa Barbara, California. NTT’s extensive contributions showcased breakthroughs across several critical cryptographic areas, including attribute-based encryption (ABE) and post-quantum cryptography.
The Best Paper Award was bestowed upon the research titled “On One-Shot Signatures, Quantum vs Classical Binding, and Obfuscating Permutations,” authored by NTT Research Senior Scientist Mark Zhandry and Postdoctoral Fellow Omri Shmueli. This particular recognition highlights a significant advancement in quantum cryptography, addressing complex challenges related to digital signatures and the fundamental differences between quantum and classical binding.
Brent Waters, director of the NTT Research Cryptography & Information Security (CIS) Lab, emphasized the critical nature of their work in the current technological landscape. “Emerging technologies including artificial intelligence and quantum computing are fundamentally redefining the digital threat landscape,” Waters stated. He further added, “A long-term commitment to basic research helps ensure that security innovation outpaces those threat capabilities. The strong presence and recognition of NTT’s research at this event reaffirms our scientists’ commitment to advancing the scientific study building the foundation of digital security and privacy.”
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NTT’s global network of research labs and academic collaborations continues to drive fundamental research aimed at shaping the future of digital security and privacy technologies, with their performance at Crypto 2025 serving as a testament to their leadership in the field.
