Struct Hint 

pub struct Hint<K: KeyPair, A: Aead + KeyInit, L: ArraySize>
where
    Self: HintSized<K, A, L>,
{ /* private fields */ }

Message encrypted by a third party, decryptable by an anonymous recipient that doesn’t know whether it is addressed to them or not.

Trait Implementations

impl<K: Clone + KeyPair, A: Clone + Aead + KeyInit, L: Clone + ArraySize> Clone for Hint<K, A, L>

where Self: HintSized<K, A, L>, K::PublicKey: Clone,

fn clone(&self) -> Hint<K, A, L>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<K: Debug + KeyPair, A: Debug + Aead + KeyInit, L: Debug + ArraySize> Debug for Hint<K, A, L>

where Self: HintSized<K, A, L>, K::PublicKey: Debug,

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

Formats the value using the given formatter.

impl<K: KeyPair, A: Aead + KeyInit, L: ArraySize> HintSized<K, A, L> for Hint<K, A, L>

where <A as AeadCore>::TagSize: Add<L>, <<A as AeadCore>::TagSize as Add<L>>::Output: ArraySize, <K as KeyPair>::PublicKeySize: Add<Sum<<A as AeadCore>::TagSize, L>>, <<K as KeyPair>::PublicKeySize as Add<Sum<<A as AeadCore>::TagSize, L>>>::Output: ArraySize,

type CiphertextSize = <<A as AeadCore>::TagSize as Add<L>>::Output

Ciphertext size: AEAD tag size plus message length.

type Size = <<K as KeyPair>::PublicKeySize as Add<<<A as AeadCore>::TagSize as Add<L>>::Output>>::Output

Total hint size: public key size plus ciphertext size.

impl<A: Aead + KeyInit, L: ArraySize> Hinting<DalekRistretto255, L> for Hint<DalekRistretto255, A, L>

where Self: HintSized<DalekRistretto255, A, L>,

type HintSize = <Hint<DalekRistretto255, A, L> as HintSized<DalekRistretto255, A, L>>::Size

Byte length of a serialized Hint: public key + ciphertext + tag.

fn new( blinded_public_key: &BlindedPublicKey<DalekRistretto255>, message: &Array<u8, L>, context: &[u8], csprng: &mut impl CryptoRng, ) -> Result<Self, Error>

Create a new Hint.

fn from_blinding_factor_secret( blinding_factor_secret: &StaticSecret, blinded_public_key: &BlindedPublicKey<DalekRistretto255>, message: &Array<u8, L>, context: &[u8], ) -> Result<Self, Error>

Create a new Hint using a blinding factor secret.

fn from_bytes(bytes: &[u8]) -> Result<Self, Error>

Deserialize from byte slice

fn to_bytes(self) -> Array<u8, Self::HintSize>

Serialize to byte array

impl<A: Aead + KeyInit, L: ArraySize> Hinting<DalekX25519, L> for Hint<DalekX25519, A, L>

where Self: HintSized<DalekX25519, A, L>,

type HintSize = <Hint<DalekX25519, A, L> as HintSized<DalekX25519, A, L>>::Size

Byte length of a serialized Hint: public key + ciphertext + tag.

fn new( blinded_public_key: &BlindedPublicKey<DalekX25519>, message: &Array<u8, L>, context: &[u8], csprng: &mut impl CryptoRng, ) -> Result<Self, Error>

Create a new Hint.

fn from_blinding_factor_secret( blinding_factor_secret: &StaticSecret, blinded_public_key: &BlindedPublicKey<DalekX25519>, message: &Array<u8, L>, context: &[u8], ) -> Result<Self, Error>

Create a new Hint using a blinding factor secret.

fn from_bytes(bytes: &[u8]) -> Result<Self, Error>

Deserialize from byte slice

fn to_bytes(self) -> Array<u8, Self::HintSize>

Serialize to byte array

impl<A: Aead + KeyInit, C: CurveArithmetic + PointCompression, L: ArraySize> Hinting<EllipticCurve<C>, L> for Hint<EllipticCurve<C>, A, L>

where <C as Curve>::FieldBytesSize: ModulusSize, <C as CurveArithmetic>::AffinePoint: ToSec1Point<C> + FromSec1Point<C>, Self: HintSized<EllipticCurve<C>, A, L>,

Available on crate feature rustcrypto-ec only.

type HintSize = <Hint<EllipticCurve<C>, A, L> as HintSized<EllipticCurve<C>, A, L>>::Size

Byte length of a serialized Hint: public key + ciphertext + tag.

fn new( blinded_public_key: &BlindedPublicKey<EllipticCurve<C>>, message: &Array<u8, L>, context: &[u8], csprng: &mut impl CryptoRng, ) -> Result<Self, Error>

Create a new Hint.

fn from_blinding_factor_secret( blinding_factor_secret: &SecretKey<C>, blinded_public_key: &BlindedPublicKey<EllipticCurve<C>>, message: &Array<u8, L>, context: &[u8], ) -> Result<Self, Error>

Create a new Hint using a blinding factor secret.

fn from_bytes(bytes: &[u8]) -> Result<Self, Error>

Deserialize from byte slice

fn to_bytes(self) -> Array<u8, Self::HintSize>

Serialize to byte array

impl<K: KeyPair, A: Aead + KeyInit, L: ArraySize> TryFrom<&[u8]> for Hint<K, A, L>

where Self: Hinting<K, L> + HintSized<K, A, L>,

type Error = Error

The type returned in the event of a conversion error.

fn try_from(bytes: &[u8]) -> Result<Self, Error>

Performs the conversion.