Tohoku University Technology: High-speed computation method for encrypted data: T19-458
Achieving higher computational speed than conventional methods without decryption
This technology is a method that uses probabilistic computation to perform operations on data while it remains in an encrypted state. Traditionally, techniques such as Fully Homomorphic Encryption (FHE) have been used to process data in an encrypted state, but these methods have faced challenges such as significantly increased computation time. This technology allows for the unlimited use of addition and multiplication using probabilistic computation methods, making it possible to reduce computation time compared to existing methods.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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