Struct zk_pass::chaum_pedersen::curve25519::Curve25519ChaumPedersen
source · pub struct Curve25519ChaumPedersen {}Expand description
A struct representing the Chaum-Pedersen protocol specialized for elliptic curve groups. This protocol is used for demonstrating knowledge of a secret in a zero-knowledge manner. The elliptic curve used in this implementation is based on Ristretto points.
Trait Implementations§
source§impl ChaumPedersen for Curve25519ChaumPedersen
impl ChaumPedersen for Curve25519ChaumPedersen
Implementing the ChaumPedersen trait for EllipticCurveChaumPedersen.
§type Secret = Scalar
type Secret = Scalar
Defines the type of the secret being proven. In this case, it is a scalar value.
§type CommitmentRandom = Scalar
type CommitmentRandom = Scalar
Defines the type of the commitment randomness used in the protocol. This is a scalar value used during the commitment phase.
§type Response = Scalar
type Response = Scalar
Defines the type of the response generated in the protocol. This is a scalar value representing the participant’s response in the protocol.
§type Challenge = Scalar
type Challenge = Scalar
Defines the type of the challenge used in the protocol. This is a scalar value representing the challenge posed during the protocol.
§type GroupParameters = GroupParams<RistrettoPoint>
type GroupParameters = GroupParams<RistrettoPoint>
Defines the group parameters used in the protocol. These parameters are based on Ristretto points, which provide a prime-order group on an elliptic curve.
§type CommitParameters = (RistrettoPoint, RistrettoPoint, RistrettoPoint, RistrettoPoint)
type CommitParameters = (RistrettoPoint, RistrettoPoint, RistrettoPoint, RistrettoPoint)
Defines the commitment parameters used in the protocol. These are four Ristretto points representing the commitments and random commitments.
source§fn commitment(
params: &Self::GroupParameters,
x: &Self::Secret
) -> (Self::CommitParameters, Self::CommitmentRandom)where
Self: Sized,
fn commitment( params: &Self::GroupParameters, x: &Self::Secret ) -> (Self::CommitParameters, Self::CommitmentRandom)where Self: Sized,
Calculate the commitment values for the Chaum-Pedersen protocol.
This method generates a random scalar and computes the commitment parameters using the secret value and the group parameters.
Arguments
params- Reference to the group parameters used in the computation.x- Reference to the secret value.
Returns
A tuple containing the commitment parameters and the commitment random value.
source§fn challenge(_: &GroupParams<RistrettoPoint>) -> Self::Challenge
fn challenge(_: &GroupParams<RistrettoPoint>) -> Self::Challenge
source§fn challenge_response(
_: &Self::GroupParameters,
k: &Self::CommitmentRandom,
c: &Self::Challenge,
x: &Self::Secret
) -> Self::Responsewhere
Self: Sized,
fn challenge_response( _: &Self::GroupParameters, k: &Self::CommitmentRandom, c: &Self::Challenge, x: &Self::Secret ) -> Self::Responsewhere Self: Sized,
Calculate the response for the Chaum-Pedersen protocol.
This method computes the response using the commitment random value, the challenge, and the secret value.
Arguments
_- Reference to the group parameters, not used in this implementation.k- Reference to the commitment random value.c- Reference to the challenge.x- Reference to the secret value.
Returns
The response for the Chaum-Pedersen protocol.
source§fn verify(
params: &Self::GroupParameters,
s: &Self::Response,
c: &Self::Challenge,
cp: &Self::CommitParameters
) -> bool
fn verify( params: &Self::GroupParameters, s: &Self::Response, c: &Self::Challenge, cp: &Self::CommitParameters ) -> bool
Verify the response for the Chaum-Pedersen protocol.
This method checks if the provided response, along with the challenge and commitment parameters, satisfies the verification equations.
Arguments
params- Reference to the group parameters used in the verification.s- Reference to the response.c- Reference to the challenge.cp- Reference to the commitment parameters.
Returns
true if the verification is successful, false otherwise.
Auto Trait Implementations§
impl RefUnwindSafe for Curve25519ChaumPedersen
impl Send for Curve25519ChaumPedersen
impl Sync for Curve25519ChaumPedersen
impl Unpin for Curve25519ChaumPedersen
impl UnwindSafe for Curve25519ChaumPedersen
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