Common Criteria (CC) refers to an internationally recognized standard (ISO/IEC 15408) for computer security certification, defining a framework for evaluating the security properties of IT products and systems. In the crypto domain, its application extends to assessing the robustness of hardware security modules (HSMs), secure multi-party computation (MPC) systems, and other cryptographic components critical for securing digital assets. Its purpose is to provide confidence in the security functions of technologies handling sensitive crypto operations.
Mechanism
The CC evaluation mechanism involves assessing a “Target of Evaluation” (TOE) against a defined “Protection Profile” (PP) or “Security Target” (ST), which specifies security functional requirements (SFRs) and security assurance requirements (SARs). Independent laboratories conduct rigorous testing and analysis, verifying the TOE’s claims regarding cryptographic primitives, access control, and data integrity. This process culminates in a formal certification, indicating the security level achieved.
Methodology
The methodology for applying Common Criteria within crypto systems architecture entails a systematic process of defining security requirements specific to blockchain and digital asset contexts, then mapping these to established CC components. This involves developing precise security targets for key management systems, secure enclaves, and distributed ledger nodes. The approach provides a standardized, repeatable framework for ensuring that critical infrastructure supporting crypto operations meets verifiable security benchmarks.
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