mtx::events::msg::KeyVerificationStart struct
#include <include/mtx/events/encrypted.hpp>

Content of the m.key.verification.start event.

Public variables

std::string from_device
The device ID which is initiating the process.
std::optional<std::string> transaction_id
An opaque identifier for the verification process.
VerificationMethods method
The verification method to use. Must be 'm.sas.v1'.
std::optional<std::string> next_method
Optional method to use to verify the other user's key with.
std::vector<std::string> key_agreement_protocols
The key agreement protocols the sending device understands.
std::vector<std::string> hashes
The hash methods the sending device understands. Must include at least sha256.
std::vector<std::string> message_authentication_codes
The message authentication codes that the sending device understands.
std::vector<SASMethods> short_authentication_string
The SAS methods the sending device (and the sending device's user) understands.
common::Relations relations
This is used for relating this message with previously sent key.verification.request

Variable documentation

std::optional<std::string> mtx::events::msg::KeyVerificationStart::transaction_id

An opaque identifier for the verification process.

Must be unique with respect to the devices involved. Must be the same as the transaction_id given in the m.key.verification.request if this process is originating from a request.

std::optional<std::string> mtx::events::msg::KeyVerificationStart::next_method

Optional method to use to verify the other user's key with.

std::vector<std::string> mtx::events::msg::KeyVerificationStart::key_agreement_protocols

The key agreement protocols the sending device understands.

Must include at least curve25519.

std::vector<std::string> mtx::events::msg::KeyVerificationStart::message_authentication_codes

The message authentication codes that the sending device understands.

Must include at least hkdf-hmac-sha256.

std::vector<SASMethods> mtx::events::msg::KeyVerificationStart::short_authentication_string

The SAS methods the sending device (and the sending device's user) understands.

Must include at least decimal. Optionally can include emoji.

One of:

  • decimal
  • emoji

common::Relations mtx::events::msg::KeyVerificationStart::relations

This is used for relating this message with previously sent key.verification.request