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Intel SGX Root Key Compromised, Raising Trusted Execution Environment Security Concerns

Aug 26, 2024, 07:07 PM

Intel's Software Guard Extensions (SGX) root key has been compromised, raising significant security concerns about the SGX platform and other Trusted Execution Environment (TEE) platforms that rely on it. The SGX Fuse Key0, also known as the Root Provisioning Key, along with the Root Sealing Key, has been extracted from a genuine Intel CPU. This breach highlights the vulnerability of hardware-based encryption and the flawed trust models inherent in such systems. The complexity of Intel hardware is cited as a factor in the security issues. Experts suggest exploring alternative secure computation methods, such as Multi-Party Computation (MPC), Fully Homomorphic Encryption (FHE), and Zero-Knowledge (ZK) proofs. The compromise of SGX affects various applications, including those in the cryptocurrency space, where platforms like Avax Bridge and Secret Network use SGX as part of their security stack.