White Paper: Obfuscating Attacks on Secure SoCs through Encrypted Code Execution

White Paper: Obfuscating Attacks on Secure SoCs through Encrypted Code Execution

Security concerns continue to prevail in a wide variety and growing number of application areas for SoCs, with attacks commonly targeting memory contents and processor operation. Secure SoCs, such as those commonly found in payment cards, often come under various forms of attacks from hackers seeking to access the information stored in the on-chip memories and use it for illegal financial gain. As a result, security schemes must be varied and many, while limiting cost and performance impact. By enabling on-the-fly execution of encrypted code, the ARC Secure option for Synopsys ARC 600 processors ensures that attacks accessing instruction memory contents find encrypted code, and attacks focused on processor operational signatures (such as state or state changes) are more difficult to carry out.

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