bip-0374: fix challenge generation, use correct generator point
Both generating and verifying a proof allows for specifying a custom generator point G. But that custom generator point was not passed into the dleq_challenge function, resulting in the default (secp256k1) generator point to be used. This lead to the test vectors being incorrect. Noticed this while re-implementing DLEQ proof generation and verification in Golang.
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Both generating and verifying a proof allows for specifying a custom generator point G. But that custom generator point was not passed into the dleq_challenge function, resulting in the default (secp256k1) generator point to be used. This lead to the test vectors being incorrect.
Noticed this while re-implementing DLEQ proof generation and verification in Golang.
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