X509 certificate identifying this client in the MLS group ; PEM encoded
Name as displayed in the messaging application e.g. John Fitzgerald Kennedy
DNS domain for which this identity proof was generated e.g. whitehouse.gov
user handle e.g. john_wire
X509 certificate not after
X509 certificate not before
X509 certificate serial number
Represents the parts of [WireIdentity][crate::WireIdentity] that are specific to a X509 certificate (and not a Basic one).
We don't use an enum here since the sole purpose of this is to be exposed through the FFI (and union types are impossible to carry over the FFI boundary)