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Software components are frequently used in cyber-physical systems (CPSes) to control a physical mechanism, such as a valve or brakes on a car. These systems are extremely sensitive to software vulnerabilities, as their exploitation could lead to injury, damage to equipment, or environmental catastrophe. This paper proposes a hardware-based security architecture called SOFIA, which protects software...
A Virtual Private Network (VPN) encrypts and decrypts the private traffic it tunnels over a public network. Maximizing the available bandwidth is an important requirement for network applications, but the cryptographic operations add significant computational load to VPN applications, limiting the network throughput. This work presents a coprocessor designed to offer hardware acceleration for these...
Microprocessors used in safety-critical systems are extremely sensitive to software vulnerabilities, as their failure can lead to injury, damage to equipment, or environmental catastrophe. This paper proposes a hardware-based security architecture for microprocessors used in safety-critical systems. The proposed architecture provides protection against code injection and code reuse attacks. It has...
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