Invention Application
US20160352509A1 METHOD AND SYSTEM FOR CONSTANT TIME CRYPTOGRAPHY USING A CO-PROCESSOR
审中-公开
使用CO处理器的恒定时间分析的方法和系统
- Patent Title: METHOD AND SYSTEM FOR CONSTANT TIME CRYPTOGRAPHY USING A CO-PROCESSOR
- Patent Title (中): 使用CO处理器的恒定时间分析的方法和系统
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Application No.: US14529238Application Date: 2014-10-31
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Publication No.: US20160352509A1Publication Date: 2016-12-01
- Inventor: Winthrop Wu , James Goodman , Martin Kiernicki , Yoichi Shimokawa , William Thomas Morrison , Creighton Eldridge , David Kaplan
- Applicant: ATI Technologies ULC , Advanced Micro Devices, Inc.
- Main IPC: H04L9/00
- IPC: H04L9/00 ; H04L9/30 ; H04L9/06

Abstract:
The present disclosure presents methods, apparatuses, and systems to bolster communication security, and more particularly to utilize a constant time cryptographic co-processor engine for such communication security. For example, the disclosure includes a method for secure communication, comprising receiving encrypted data at a receiving device; obtaining a randomization for at least one bit of the encrypted data; modifying an execution of a cryptographic algorithm on the at least one bit to obtain a randomized cryptographic algorithm based on the randomization; and executing the randomized cryptographic algorithm on the at least one bit of encrypted data to recover original data associated with the encrypted data.
Public/Granted literature
- US10243727B2 Method and system for constant time cryptography using a co-processor Public/Granted day:2019-03-26
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