Struct OprfServer 

pub struct OprfServer<CS: CipherSuite> { /* private fields */ }

A server which engages with a OprfClient in base mode, meaning that the OPRF outputs are not verifiable.

Implementations

impl<CS: CipherSuite> OprfServer<CS>

pub fn new<R: TryRng + TryCryptoRng>(rng: &mut R) -> Result<Self>

Produces a new instance of a OprfServer using a supplied RNG

Errors

Error::Protocol if the protocol fails and can’t be completed.

pub fn new_with_key(private_key_bytes: &[u8]) -> Result<Self>

Produces a new instance of a OprfServer using a supplied set of bytes to represent the server’s private key

Errors

Error::Deserialization if the private key is not a valid point on the group or zero.

pub fn new_from_seed(seed: &[u8], info: &[u8]) -> Result<Self>

Produces a new instance of a OprfServer using a supplied set of bytes which are used as a seed to derive the server’s private key.

Corresponds to DeriveKeyPair() function from the VOPRF specification.

Errors

• Error::DeriveKeyPair if the input and seed together are longer then u16::MAX - 3.
• Error::Protocol if the protocol fails and can’t be completed.

pub fn blind_evaluate( &self, blinded_element: &BlindedElement<CS>, ) -> EvaluationElement<CS>

Computes the second step for the multiplicative blinding version of DH-OPRF. This message is sent from the server (who holds the OPRF key) to the client.

pub fn evaluate( &self, input: &[u8], ) -> Result<Output<<CS as CipherSuite>::Hash>>

Computes the output of the OPRF on the server side

Errors

Error::Input if the input is longer then u16::MAX.

impl<CS: CipherSuite> OprfServer<CS>

pub fn serialize(&self) -> Array<u8, OprfServerLen<CS>>

Serialization into bytes

pub fn deserialize(input: &[u8]) -> Result<Self>

Deserialization from bytes

Errors

Error::Deserialization if failed to deserialize input.

Trait Implementations

impl<CS: CipherSuite> Clone for OprfServer<CS>

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<CS: CipherSuite> Debug for OprfServer<CS>

where <CS::Group as Group>::Scalar: Debug,

fn fmt(&self, __f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de, CS: CipherSuite> Deserialize<'de> for OprfServer<CS>

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<CS: CipherSuite> Drop for OprfServer<CS>

fn drop(&mut self)

Executes the destructor for this type.

fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)

Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned.

impl<CS: CipherSuite> Eq for OprfServer<CS>

where <CS::Group as Group>::Scalar: Eq,

impl<CS: CipherSuite> Hash for OprfServer<CS>

where <CS::Group as Group>::Scalar: Hash,

fn hash<__H: Hasher>(&self, __state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<CS: CipherSuite> Ord for OprfServer<CS>

where <CS::Group as Group>::Scalar: Ord,

fn cmp(&self, __other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl<CS: CipherSuite> PartialEq for OprfServer<CS>

where <CS::Group as Group>::Scalar: PartialEq,

fn eq(&self, __other: &Self) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl<CS: CipherSuite> PartialOrd for OprfServer<CS>

where <CS::Group as Group>::Scalar: PartialOrd,

fn partial_cmp(&self, __other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl<CS: CipherSuite> Serialize for OprfServer<CS>

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl<CS: CipherSuite> ZeroizeOnDrop for OprfServer<CS>