Struct openmls::extensions::RequiredCapabilitiesExtension

pub struct RequiredCapabilitiesExtension { /* private fields */ }

Required Capabilities Extension.

The configuration of a group imposes certain requirements on clients in the group. At a minimum, all members of the group need to support the ciphersuite and protocol version in use. Additional requirements can be imposed by including a required capabilities extension in the GroupContext.

This extension lists the extensions and proposal types that must be supported by all members of the group. For new members, it is enforced by existing members during the application of Add commits. Existing members should of course be in compliance already. In order to ensure this continues to be the case even as the group’s extensions can be updated, a GroupContextExtensions proposal is invalid if it contains a required capabilities extension that requires capabilities not supported by all current members.

// draft-ietf-mls-protocol-17
struct {
    ExtensionType extension_types<V>;
    ProposalType proposal_types<V>;
    CredentialType credential_types<V>;
} RequiredCapabilities;

Implementations

impl RequiredCapabilitiesExtension

pub fn new( extension_types: &[ExtensionType], proposal_types: &[ProposalType], credential_types: &[CredentialType] ) -> Self

Creates a new RequiredCapabilitiesExtension from extension and proposal types.

pub fn extension_types(&self) -> &[ExtensionType]

Get a slice with the required extension types.

pub fn proposal_types(&self) -> &[ProposalType]

Get a slice with the required proposal types.

pub fn credential_types(&self) -> &[CredentialType]

Get a slice with the required credential types.

Trait Implementations

impl Clone for RequiredCapabilitiesExtension

fn clone(&self) -> RequiredCapabilitiesExtension

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for RequiredCapabilitiesExtension

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

Formats the value using the given formatter.

impl Default for RequiredCapabilitiesExtension

fn default() -> RequiredCapabilitiesExtension

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for RequiredCapabilitiesExtension

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Deserialize for RequiredCapabilitiesExtension

fn tls_deserialize<R: Read>(bytes: &mut R) -> Result<Self, Error>

This function deserializes the bytes from the provided a std::io::Read and returns the populated struct.

fn tls_deserialize_exact(bytes: impl AsRef<[u8]>) -> Result<Self, Error>

where Self: Sized,

This function deserializes the provided bytes and returns the populated struct. All bytes must be consumed.

impl DeserializeBytes for RequiredCapabilitiesExtension

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

This function deserializes the bytes from the provided a &[u8] and returns the populated struct, as well as the remaining slice.

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

where Self: Sized,

This function deserializes the provided bytes and returns the populated struct. All bytes must be consumed.

impl PartialEq for RequiredCapabilitiesExtension

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

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

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.

impl Serialize for &RequiredCapabilitiesExtension

fn tls_serialize<W: Write>(&self, writer: &mut W) -> Result<usize, Error>

Serialize self and write it to the writer. The function returns the number of bytes written to writer.

fn tls_serialize_detached(&self) -> Result<Vec<u8>, Error>

Serialize self and return it as a byte vector.

impl Serialize for RequiredCapabilitiesExtension

fn tls_serialize<W: Write>(&self, writer: &mut W) -> Result<usize, Error>

Serialize self and write it to the writer. The function returns the number of bytes written to writer.

fn tls_serialize_detached(&self) -> Result<Vec<u8>, Error>

Serialize self and return it as a byte vector.

impl Serialize for RequiredCapabilitiesExtension

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Size for &RequiredCapabilitiesExtension

fn tls_serialized_len(&self) -> usize

impl Size for RequiredCapabilitiesExtension

fn tls_serialized_len(&self) -> usize

impl Eq for RequiredCapabilitiesExtension

impl StructuralPartialEq for RequiredCapabilitiesExtension