Related: Is there an interactive version of ECDSA signature protocol like the Schnorr identification protocol?
As pointed out by @SEJPM, you can read more about security proofs for DSA/ECDSA family on this thread.
As for whether there exists an interactive protocol corresponding to DSA/ECDSA à la Schnorr identification/Schnorr signature, not that I am aware of. I would add that this is unlikely for two reasons:
Answered by ckamath on December 19, 2021
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