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WHAT IS TEST VECTOR LEAKAGE ASSESSMENT?

You want to know at the pre-silicon stage whether your device is going to pass the TVLA test or not. This is especially critical if you are going for NIST certification. Check out this video to explore the test methodology adopted by NIST as part of their new certification standard. You’ll discover that the basic idea of TVLA is to perform two experiments on your device and then to compare the results using standard statistical methods. If there is a significant difference between the results of the two experiments, it indicates that there’s a high possibility for an attacker to gain access to your secret key by analyzing these differences.

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WHAT IS TEST VECTOR LEAKAGE ASSESSMENT?

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Fortify’s AES security evaluation by SGS

“Summary. The leakage analysis (Welch t-test) on over 30 million traces did not show statistically significant first- and second-order differences between trace sets with fixed and random inputs. The template-based DPA analysis, on the pseudo-random trace set for the profiling phase (15 million traces) and on a sub-set of 300k fix input traces for matching phase targeting the first-round S-box output, and template attack on ciphertext, did not indicate any potential information leakage.”

” The results for the soft IP presented in the report were obtained on the TOE which is the basic hardware implementation of the soft IP without additional levels of security (e.g. that are present in a secure silicon layout). Therefore the internal strength of the soft IP itself was evaluated. This indicates that the investigated features and parameters of the soft IP implementation should be robust against SCA and fault injection attacks in different implementations including ASIC. Nevertheless, according to the Common Criteria rules, the strength of the final composite product must be evaluated on its own.”

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