penumbra_sdk_keys::symmetric

Struct PositionMetadataKey

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pub struct PositionMetadataKey(pub Key);
Expand description

Represents a symmetric XChaCha20Poly1305 key used for Position metadata encryption.

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§0: Key

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impl PositionMetadataKey

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pub fn derive(ovk: &OutgoingViewingKey) -> Self

Derives a PositionMetadataKey from an OutgoingViewingKey.

See UIP-9 for more details.

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pub fn encrypt(&self, plaintext: &[u8; 10], nonce: &[u8; 24]) -> Vec<u8> ⓘ

Encrypts position metadata using the PositionMetadataKey.

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pub fn decrypt(&self, ciphertext: &[u8]) -> Option<Vec<u8>>

Trait Implementations§

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impl Clone for PositionMetadataKey

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fn clone(&self) -> PositionMetadataKey

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 PositionMetadataKey

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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<PositionMetadataKey> for PositionMetadataKey

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fn from(msg: PositionMetadataKey) -> Self

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

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fn eq(&self, other: &PositionMetadataKey) -> 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<PositionMetadataKey> for PositionMetadataKey

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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: PositionMetadataKey) -> Result<Self, Self::Error>

Performs the conversion.
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impl Copy for PositionMetadataKey

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impl Eq for PositionMetadataKey

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impl StructuralPartialEq for PositionMetadataKey

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

Checks if this value is equivalent to the given key. Read more
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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 equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
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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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