초록

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Abstract ▼ AI-Helper

In a trustworthy system, It is one of important part to protect communication between elements of system. We focused on improvement of IPC(Inter Process Communication)'s reliability. And, we use hardware isolation - ARM TrustZone, rather than software isolation. Finally, we proposed TZIPC, an secure...

In a trustworthy system, It is one of important part to protect communication between elements of system. We focused on improvement of IPC(Inter Process Communication)'s reliability. And, we use hardware isolation - ARM TrustZone, rather than software isolation. Finally, we proposed TZIPC, an secure IPC using ARM TrustZone. Existing IPC has a vulnerable structure because it is managed by OS. It is possible to tamper an OS using techniques such as rooting, jail-breaking. Otherwise, TZIPC uses Trustzone for isolation of IPC message data from an OS. So, TZIPC can protect integrity of IPC message data, even if OS is infected by malicious codes. Nevertheless, TZIPC's overhead is 0.24%, which is neglible.

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