Invention Grant
- Patent Title: Anomaly detection method, anomaly detection recording medium, anomaly detection device, rewriting method, and rewriting device
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Application No.: US17568268Application Date: 2022-01-04
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Publication No.: US11947408B2Publication Date: 2024-04-02
- Inventor: Kenji Oga , Norifumi Murata , Kyoko Ueda
- Applicant: Panasonic Intellectual Property Management Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Current Assignee Address: JP Osaka
- Agency: GREENBLUM & BERNSTEIN, P.L.C.
- Priority: JP 20058221 2020.03.27
- Main IPC: G06F11/00
- IPC: G06F11/00 ; G06F9/38 ; G06F11/07 ; G06F11/10
Abstract:
An anomaly detection method includes: reading a branch target address corresponding to a branch instruction, twice or more; determining whether the branch target addresses read are identical; and executing the branch instruction when the branch target addresses read are identical, and executing anomaly detection processing when the branch target addresses read are not identical.
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