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Random and Safe (RaS) Cache Architecture to Defeat Cache Timing Attacks
Princeton Docket # 25-4192-1
Princeton University researchers have developed an innovative hardware solution known as Random and Safe (RaS) caches to address critical security vulnerabilities in modern computer systems. This technology significantly enhances security by effectively...
Published: 12/11/2024
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Inventor(s): Ruby Lee, Guangyuan Hu
Keywords(s):
Category(s): Mechanical/Electrical Engineering
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Princeton Docket # 15-3171-1Researchers at Princeton University, Department of Electrical Engineering, have developed a distributed architecture to monitor and attest the security health of cloud customers' virtual machines (VMs) in a cloud computing system.Cloud providers want to monitor VMs to provide a secure and efficient computing environment to...
Published: 2/25/2025
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Inventor(s): Ruby Lee, Tianwei Zhang
Keywords(s): computers/software, cyber security, data security
Category(s): Computer Science and Information Technology
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Princeton Docket # 15-3105-1Researchers at Princeton University, Department of Electrical Engineering, have developed a new cache fill strategy and cache architecture to secure the existing processor cache to prevent information leakage through cache side-channel attacks.Correctly functioning caches have been shown to leak critical secrets like encryption...
Published: 12/21/2022
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Inventor(s): Ruby Lee, Fangfei Liu
Keywords(s):
Category(s): Computer Science and Information Technology
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Princeton Docket #00-1712-1
The method and system provides a set of permutation primitives for current and future 2-D multimedia programs which are based on decomposing images and objects into atomic units, then finding the permutations desired for the atomic units. The subword permutation instructions for these 2-D building blocks are also defined...
Published: 3/21/2024
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Inventor(s): Ruby Lee
Keywords(s): computers/software
Category(s): Computer Science and Information Technology
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Princeton Docket #00-1709-1
The present invention provides permutation instructions which can be used in software executed in a programmable processor for solving permutation problems in cryptography, multimedia and other applications. PPERM and PPERM3R instructions are defined to perform permutations by a sequence of instructions with each sequence...
Published: 3/21/2024
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Inventor(s): Ruby Lee, Zhijie Shi
Keywords(s): computers/software, cryptography, data security
Category(s): Computer Science and Information Technology
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Princeton Docket #00-1711-1
The present invention provides permutation instructions which can be used in software executed in a programmable processor for solving permutation problems in cryptography, multimedia and other applications. The permute instructions are based on a Benes network comprising two butterfly networks of the same size connected...
Published: 3/21/2024
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Inventor(s): Ruby Lee, Xiao Yang, Manish Vachharajani
Keywords(s): computers/software, cryptography, data security
Category(s): Computer Science and Information Technology
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Princeton Docket #00-1710-1
The present invention provides permutation instructions which can be used in software executed in a programmable processor for solving permutation problems in cryptography, multimedia and other applications. The permute instructions are based on an omega-flip network comprising at least two stages in which each stage can...
Published: 3/21/2024
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Inventor(s): Ruby Lee, Xiao Yang
Keywords(s): computers/software, cryptography, data security
Category(s): Computer Science and Information Technology
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Princeton Docket #09-2533-1
A system and method for processor-based security is provided, for on-chip security and trusted computing services for software applications. Secure execution environments (compartments or enclaves) are provided for executing trusted software by a secure processor and a trusted hypervisor. Secure memory and secure storage...
Published: 10/31/2024
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Inventor(s): Ruby Lee, David Champagne
Keywords(s): computers/software
Category(s): Computer Science and Information Technology
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Princeton Docket #09-2526-1The invention is a new method of designing cache memories used in computers. It achieves best-in-class performance for various performance metrics, previously achievable only by different conventional cache architectures. In particular, it combines benefits of Fully-Associative caches and Direct-Mapped caches, in a novel way...
Published: 10/31/2024
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Inventor(s): Ruby Lee, Zhenghong Wang
Keywords(s): computers/software, data security, microprocessor
Category(s): Computer Science and Information Technology
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Princeton Docket #09-2534-1This invention proposes a new functional unit to store constants and tables, and new instructions that can read multiple constants in parallel, to speed up the software processing of various algorithms, including the AES encryption and decryption algorithms. AES is the NIST’s Advanced Encryption Standard (AES) which...
Published: 3/30/2022
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Inventor(s): Ruby Lee, Yu-Yuan Chen
Keywords(s): computers/software, cyber security, data security, microprocessor
Category(s): Computer Science and Information Technology
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