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btc: verify and return silent payment outputs #105

Merged
merged 1 commit into from
Sep 18, 2024
Merged

btc: verify and return silent payment outputs #105

merged 1 commit into from
Sep 18, 2024

Commits on Sep 17, 2024

  1. btc: verify and return silent payment outputs 

    Silent Payment outputs are generated and returned by the firmware to
be integrated into a transaction. This commit verifies the correctness
of the generated output using a DLEQ proof and returns the output.

The DLEQ verificaiton function is a quick port of

https://github.com/BlockstreamResearch/secp256k1-zkp/blob/6152622613fdf1c5af6f31f74c427c4e9ee120ce/src/modules/ecdsa_adaptor/dleq_impl.h#L129

A DLEQ (discrete log equivalence) proof proves that the discrete log
of P1 to the secp256k1 base G is the same as the discrete log of P2 to
another base.
    @benma
    benma committed Sep 17, 2024
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