penumbra_keys::symmetric

Struct PayloadKey

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pub struct PayloadKey(/* private fields */);
Expand description

Represents a symmetric ChaCha20Poly1305 key.

Used for encrypting and decrypting notes, swaps, memos, and memo keys.

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impl PayloadKey

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pub fn derive(shared_secret: &SharedSecret, epk: &Public) -> Self

Use Blake2b-256 to derive a PayloadKey.

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pub fn random_key<R: CryptoRng + RngCore>(rng: &mut R) -> Self

Derive a random PayloadKey. Used for memo key wrapping.

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pub fn to_vec(&self) -> Vec<u8> ⓘ

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pub fn encrypt(&self, plaintext: Vec<u8>, kind: PayloadKind) -> Vec<u8> ⓘ

Encrypt a note, memo, or memo key using the PayloadKey.

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pub fn decrypt(&self, ciphertext: Vec<u8>, kind: PayloadKind) -> Result<Vec<u8>>

Decrypt a note, memo, or memo key using the PayloadKey.

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pub fn derive_swap(ovk: &OutgoingViewingKey, cm: StateCommitment) -> Self

Use Blake2b-256 to derive an encryption key from the OVK and public fields for swaps.

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pub fn encrypt_swap(&self, plaintext: Vec<u8>) -> Vec<u8> ⓘ

Encrypt a swap using the PayloadKey.

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pub fn decrypt_swap(&self, ciphertext: Vec<u8>) -> Result<Vec<u8>>

Decrypt a swap using the PayloadKey.

Trait Implementations§

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impl Clone for PayloadKey

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fn clone(&self) -> PayloadKey

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for PayloadKey

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

Formats the value using the given formatter. Read more
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impl From<[u8; 32]> for PayloadKey

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fn from(bytes: [u8; 32]) -> Self

Converts to this type from the input type.
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impl From<PayloadKey> for PayloadKey

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fn from(msg: PayloadKey) -> Self

Converts to this type from the input type.
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impl PartialEq for PayloadKey

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fn eq(&self, other: &PayloadKey) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl TryFrom<&[u8]> for PayloadKey

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(slice: &[u8]) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<PayloadKey> for PayloadKey

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(msg: PayloadKey) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Vec<u8>> for PayloadKey

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(vector: Vec<u8>) -> Result<Self, Self::Error>

Performs the conversion.
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impl Copy for PayloadKey

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impl Eq for PayloadKey

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impl StructuralPartialEq for PayloadKey

Auto Trait Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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Converts self into T using Into<T>. Read more
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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.
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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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Causes self to use its Display implementation when Debug-formatted.
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where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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Causes self to use its Pointer implementation when Debug-formatted.
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where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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Formats each item in a sequence. Read more
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