Invention Publication
- Patent Title: Memory Inline Cypher Engine with Confidentiality, Integrity, and Anti-Replay for Artificial Intelligence or Machine Learning Accelerator
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Application No.: US18233856Application Date: 2023-08-13
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Publication No.: US20240135007A1Publication Date: 2024-04-25
- Inventor: Thomas Mengtao Zeng , Muhammad Umar , Chih-Hsiang Hsiao
- Applicant: MEDIATEK INC.
- Applicant Address: TW Hsin Chu
- Assignee: MEDIATEK INC.
- Current Assignee: MEDIATEK INC.
- Current Assignee Address: TW Hsin Chu
- Main IPC: G06F21/60
- IPC: G06F21/60 ; G06F21/62 ; G06F21/79

Abstract:
A system on chip includes a secure processing unit (SPU), an artificial intelligence/machine learning accelerator (AI/ML accelerator), a memory inline cypher engine, and a central processing unit (CPU). The SPU is used to store biometrics of users. The AI/ML accelerator is used to process images, and analyze the biometrics of users. The AI/ML accelerator includes a micro control unit (MCU) for intelligently linking access identifications (IDs) to version numbers (VNs). The inline cypher engine is coupled to the AI/ML accelerator and the SPU for receiving a register file from the MCU, encrypting data received from the AI/ML accelerator, and comparing the biometrics of the users received from the SPU with the data. The CPU is coupled to the SPU and the AI/ML accelerator for controlling the SPU and the AI/ML accelerator.
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