Struct matrix_sdk_crypto::types::MasterPubkey

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

Wrapper for a cross signing key marking it as the master key.

Master keys are used to sign other cross signing keys, the self signing and user signing keys of an user will be signed by their master key.

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impl MasterPubkey

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pub fn user_id(&self) -> &UserId

Get the user id of the master key’s owner.

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pub fn keys(&self) -> &SigningKeys<OwnedDeviceKeyId>

Get the keys map of containing the master keys.

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pub fn usage(&self) -> &[KeyUsage]

Get the list of KeyUsage that is set for this key.

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pub fn signatures(&self) -> &Signatures

Get the signatures map of this cross signing key.

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pub fn get_key(&self, key_id: &DeviceKeyId) -> Option<&SigningKey>

Get the master key with the given key id.

§Arguments
  • key_id - The id of the key that should be fetched.
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pub fn get_first_key(&self) -> Option<Ed25519PublicKey>

Get the first available master key.

There’s usually only a single master key so this will usually fetch the only key.

Trait Implementations§

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impl AsMut<CrossSigningKey> for MasterPubkey

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fn as_mut(&mut self) -> &mut CrossSigningKey

Converts this type into a mutable reference of the (usually inferred) input type.
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impl AsRef<CrossSigningKey> for MasterPubkey

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fn as_ref(&self) -> &CrossSigningKey

Converts this type into a shared reference of the (usually inferred) input type.
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impl Clone for MasterPubkey

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fn clone(&self) -> MasterPubkey

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 MasterPubkey

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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<'de> Deserialize<'de> for MasterPubkey

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl<'a> IntoIterator for &'a MasterPubkey

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type Item = (&'a OwnedKeyId<DeviceKeyAlgorithm, DeviceId>, &'a SigningKey)

The type of the elements being iterated over.
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type IntoIter = Iter<'a, OwnedKeyId<DeviceKeyAlgorithm, DeviceId>, SigningKey>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more
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impl PartialEq for MasterPubkey

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

The PartialEq implementation compares the user ID, the usage and the key material, ignoring signatures.

The usage could be safely ignored since the type guarantees it has the correct usage by construction – it is impossible to construct a value of a particular key type with an incorrect usage. However, we check it anyway, to codify the notion that the same key material with a different usage results in a logically different key.

The signatures are provided by other devices and don’t alter the identity of the key itself.

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Serialize for MasterPubkey

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

Serialize this value into the given Serde serializer. Read more
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impl TryFrom<CrossSigningKey> for MasterPubkey

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type Error = Error

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

Performs the conversion.
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impl Eq for MasterPubkey

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

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. Read more
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impl<Q, K> Equivalent<K> for Q
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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
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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<T, W> HasTypeWitness<W> for T
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const WITNESS: W = W::MAKE

A constant of the type witness
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impl<T> Identity for T
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type Type = T

The same type as Self, used to emulate type equality bounds (T == U) with associated type equality constraints (T: Identity<Type = U>).
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const TYPE_EQ: TypeEq<T, <T as Identity>::Type> = TypeEq::NEW

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