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Merge pull request #42 from kafeikui/add-multiple-network-support
(node)Add multiple network support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,79 +1,68 @@ | ||
| use anyhow::Result; | ||
| use std::marker::PhantomData; | ||
| use threshold_bls::{ | ||
| group::PairingCurve, | ||
| group::Curve, | ||
| poly::Eval, | ||
| sig::{G2Scheme, Scheme, Share, SignatureScheme, ThresholdScheme}, | ||
| sig::{Share, SignatureScheme, ThresholdScheme}, | ||
| }; | ||
|
|
||
| pub(crate) struct SimpleBLSCore<C: PairingCurve> { | ||
| pub(crate) struct SimpleBLSCore< | ||
| C: Curve, | ||
| S: SignatureScheme + ThresholdScheme<Public = C::Point, Private = C::Scalar>, | ||
| > { | ||
| c: PhantomData<C>, | ||
| s: PhantomData<S>, | ||
| } | ||
|
|
||
| pub(crate) trait BLSCore<C: PairingCurve> { | ||
| pub(crate) trait BLSCore<C: Curve> { | ||
| /// Partially signs a message with a share of the private key | ||
| fn partial_sign( | ||
| private: &Share<<G2Scheme<C> as Scheme>::Private>, | ||
| msg: &[u8], | ||
| ) -> Result<Vec<u8>>; | ||
| fn partial_sign(private: &Share<C::Scalar>, msg: &[u8]) -> Result<Vec<u8>>; | ||
|
|
||
| /// Verifies a partial signature on a message against the public polynomial | ||
| fn partial_verify( | ||
| partial_public_key: &<G2Scheme<C> as Scheme>::Public, | ||
| msg: &[u8], | ||
| partial: &[u8], | ||
| ) -> Result<()>; | ||
| fn partial_verify(partial_public_key: &C::Point, msg: &[u8], partial: &[u8]) -> Result<()>; | ||
|
|
||
| /// Aggregates all partials signature together. Note that this method does | ||
| /// not verify if the partial signatures are correct or not; it only | ||
| /// aggregates them. | ||
| fn aggregate(threshold: usize, partials: &[Vec<u8>]) -> Result<Vec<u8>>; | ||
|
|
||
| /// Verifies that the signature on the provided message was produced by the public key | ||
| fn verify(public: &<G2Scheme<C> as Scheme>::Public, msg: &[u8], sig: &[u8]) -> Result<()>; | ||
| fn verify(public: &C::Point, msg: &[u8], sig: &[u8]) -> Result<()>; | ||
|
|
||
| fn verify_partial_sigs( | ||
| publics: &[<G2Scheme<C> as Scheme>::Public], | ||
| msg: &[u8], | ||
| partial_sigs: &[&[u8]], | ||
| ) -> Result<()>; | ||
| fn verify_partial_sigs(publics: &[C::Point], msg: &[u8], partial_sigs: &[&[u8]]) -> Result<()>; | ||
| } | ||
|
|
||
| impl<C: PairingCurve + 'static> BLSCore<C> for SimpleBLSCore<C> { | ||
| fn partial_sign( | ||
| private: &Share<<G2Scheme<C> as Scheme>::Private>, | ||
| msg: &[u8], | ||
| ) -> Result<Vec<u8>> { | ||
| let partial_signature = G2Scheme::<C>::partial_sign(private, msg)?; | ||
| impl< | ||
| C: Curve + 'static, | ||
| S: SignatureScheme + ThresholdScheme<Public = C::Point, Private = C::Scalar> + 'static, | ||
| > BLSCore<C> for SimpleBLSCore<C, S> | ||
| where | ||
| <S as ThresholdScheme>::Error: Sync + Send, | ||
| <S as SignatureScheme>::Error: Sync + Send, | ||
| { | ||
| fn partial_sign(private: &Share<C::Scalar>, msg: &[u8]) -> Result<Vec<u8>> { | ||
| let partial_signature = S::partial_sign(private, msg)?; | ||
| Ok(partial_signature) | ||
| } | ||
|
|
||
| fn partial_verify( | ||
| partial_public_key: &<G2Scheme<C> as Scheme>::Public, | ||
| msg: &[u8], | ||
| partial: &[u8], | ||
| ) -> Result<()> { | ||
| fn partial_verify(partial_public_key: &C::Point, msg: &[u8], partial: &[u8]) -> Result<()> { | ||
| let partial: Eval<Vec<u8>> = bincode::deserialize(partial)?; | ||
| G2Scheme::<C>::verify(partial_public_key, msg, &partial.value)?; | ||
| S::verify(partial_public_key, msg, &partial.value)?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn aggregate(threshold: usize, partials: &[Vec<u8>]) -> Result<Vec<u8>> { | ||
| let signature = G2Scheme::<C>::aggregate(threshold, partials)?; | ||
| let signature = S::aggregate(threshold, partials)?; | ||
| Ok(signature) | ||
| } | ||
|
|
||
| fn verify(public: &<G2Scheme<C> as Scheme>::Public, msg: &[u8], sig: &[u8]) -> Result<()> { | ||
| G2Scheme::<C>::verify(public, msg, sig)?; | ||
| fn verify(public: &C::Point, msg: &[u8], sig: &[u8]) -> Result<()> { | ||
| S::verify(public, msg, sig)?; | ||
| Ok(()) | ||
| } | ||
|
|
||
| fn verify_partial_sigs( | ||
| publics: &[<G2Scheme<C> as Scheme>::Public], | ||
| msg: &[u8], | ||
| partial_sigs: &[&[u8]], | ||
| ) -> Result<()> { | ||
| G2Scheme::<C>::aggregation_verify_on_the_same_msg(publics, msg, partial_sigs)?; | ||
| fn verify_partial_sigs(publics: &[C::Point], msg: &[u8], partial_sigs: &[&[u8]]) -> Result<()> { | ||
| S::aggregation_verify_on_the_same_msg(publics, msg, partial_sigs)?; | ||
| Ok(()) | ||
| } | ||
| } |
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