pub enum UnableToDecryptReason {
    MalformedEncryptedEvent,
    MissingMegolmSession,
    UnknownMegolmMessageIndex,
    MegolmDecryptionFailure,
    PayloadDeserializationFailure,
    MismatchedIdentityKeys,
    SenderIdentityNotTrusted(VerificationLevel),
    // some variants omitted
}
Expand description

Reason code for a decryption failure

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MalformedEncryptedEvent

The m.room.encrypted event that should have been decrypted is malformed in some way (e.g. unsupported algorithm, missing fields, unknown megolm message type).

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MissingMegolmSession

Decryption failed because we’re missing the megolm session that was used to encrypt the event.

TODO: support withheld codes?

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UnknownMegolmMessageIndex

Decryption failed because, while we have the megolm session that was used to encrypt the message, it is ratcheted too far forward.

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MegolmDecryptionFailure

We found the Megolm session, but were unable to decrypt the event using that session for some reason (e.g. incorrect MAC).

This represents all vodozemac::megolm::DecryptionErrors, except UnknownMessageIndex, which is represented as UnknownMegolmMessageIndex.

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PayloadDeserializationFailure

The event could not be deserialized after decryption.

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MismatchedIdentityKeys

Decryption failed because of a mismatch between the identity keys of the device we received the room key from and the identity keys recorded in the plaintext of the room key to-device message.

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SenderIdentityNotTrusted(VerificationLevel)

An encrypted message wasn’t decrypted, because the sender’s cross-signing identity did not satisfy the requested TrustRequirement.

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impl UnableToDecryptReason

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pub fn is_missing_room_key(&self) -> bool

Returns true if this UTD is due to a missing room key (and hence might resolve itself if we wait a bit.)

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impl Clone for UnableToDecryptReason

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fn clone(&self) -> UnableToDecryptReason

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 UnableToDecryptReason

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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 UnableToDecryptReason

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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 PartialEq for UnableToDecryptReason

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

This method tests for self and other values to be equal, and is used by ==.
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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 UnableToDecryptReason

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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 Eq for UnableToDecryptReason

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impl StructuralPartialEq for UnableToDecryptReason

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

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default unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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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 from(t: T) -> T

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const WITNESS: W = W::MAKE

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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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