Timing leaks partial nonce of SM2-DSA, where the most or least significant bits of nonce can be revealed from collected timing information. Specifically, FLUSH+ ...

The combination attack is powerful and has been confirmed on ECDSA schemes. We target SM2-DSA to evaluate security with respect to the combinated analysis.

Bibliographic details on Timing leakage to break SM2 signature algorithm.

an algorithm execution and this is done by correlating cache timing ... Fault Injection Attacks on SM2 Signature Algorithm. In Information Security.

We carry out remote timings, cache timings, and EM analysis, with accompanying empirical data to demonstrate secret information leakage during execution of both ...

We carry out remote timings, cache timings, and EM analysis, with accompanying empirical data to demonstrate secret information leakage during execution of both ...

We present a polynomial-time algorithm that provably recovers the signer's secret DSA key when a few consecutive bits of the random nonces k (used at each ...

A straightforward calculation shows that a set of ECDSA signa- tures with leaky nonces is indeed an instance of the HNP. Notice that the ECDSA signature (r,s) ...

Feb 6, 2023 · The literature [17–19] proposed a two-party co-signature protocol based on the SM2 algorithm. The Ref. [20] proposed a two-party co-signature ...

Partially Known Nonces and Fault Injection Attacks on SM2 Signature Algorithm . ... Timing leakage to break SM2 signature algorithm. Aidong Chen, Chen Hong ...