Comments (4)
We should implement the Schnorr DLEQ proof as a general signature optimizsation, which then shrinks to BLS, not as some special proof-of-possession tool, and then maybe support using that in the proof-of-possession.
We'll check proofs-of-possession only when starting the node, and once per epoch, so the Schnorr DLEQ proof optimization makes little sense for proofs-of-possession. It makes sense for regular signatures which come all the time however.
We should explore doing some ProofsOfPossession
trait but not quite sure how it works actually since it's a property of an entire key infrastructure. It's logical methods look like an iteration over all public keys, BLS signatures, and Schnorr DLEQ proofs, and then some free function checks all these, so the ProofsOfPossession
trait itself cannot ensure the ProofsOfPossession
were checked, only that users wrote the code to check them.
The problem here is that you cannot really make a trait for users inserting data into their own database.
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This is done in 7e2aaa3 but the verification test doesn't pass yet.
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Signing problem due to random integer bigger than mod is temproraly solved, but the signature still does not verify.
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a8761d8 fixed verification bug do to bogus schnorr formula and zeroing more randomness byte to make deserialize to field works.
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Related Issues (20)
- clean up the depenedancy so they are compatible with substrate HOT 2
- Implement Canonical De/Serialize for SecretKey HOT 1
- Alter the BEEFY structure to have only one aggergated BLS signature HOT 1
- Implement bls signature related functions for (substrate) host API
- Enable BEEFY Keystore to produce BLS signature HOT 2
- Reverse beefy messages to only support unaggregated BLS signatures in Beefy HOT 2
- Implement missing bls function for LocalKeystore HOT 1
- modify `client/beefy/src/worker.rs` to use either ECDSA or BLSnECDSA keystores
- How is `context` meant to be used when creating a new `Message`?
- Make ValidatorSet generic over public key type HOT 3
- Update BLS library to Pairing and Serialization changes HOT 3
- make thread_rng optional on std feature HOT 1
- Write test for BeefyECDSAandBLSKeystore HOT 1
- Implement Chaum Pederson Signature for Keypair HOT 2
- Make `keystore_vs_validator_set` test generic over the keystore HOT 4
- Clean up hash to curve branch and merge it with master HOT 1
- Expose Double Public Key scheme HOT 2
- Implement Serialization for `Double` Schemes HOT 1
- Spec BLS Signature
- Implement `ZeroizeOnDrop` for `SecretKeyVT`
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