class Matter::Session::SecureContext

• Matter::Session::SecureContext
• Reference
• Object

Overview

Secure session context holding encryption keys and state

Defined in:

matter/session/context.cr

Constructors

• .new(session_id : UInt16, peer_session_id : UInt16, session_type : SessionType, encryption_key : Bytes, decryption_key : Bytes, is_initiator : Bool = true, peer_node_id : DataType::NodeId | Nil = nil, local_node_id : DataType::NodeId | Nil = nil, attestation_challenge : Bytes | Nil = nil)

Instance Method Summary

• #attestation_challenge : Bytes | Nil
• #attestation_challenge=(attestation_challenge : Bytes | Nil)
• #creation_time : Time

  Session metadata

• #creation_time=(creation_time : Time)

  Session metadata

• #decryption_key : Bytes
• #decryption_key=(decryption_key : Bytes)
• #encryption_key : Bytes

  Encryption keys

• #encryption_key=(encryption_key : Bytes)

  Encryption keys

• #expired?(idle_timeout : Time::Span = 5.minutes) : Bool

  Check if session is expired based on idle time

• #is_initiator : Bool
• #is_initiator=(is_initiator : Bool)
• #last_activity_time : Time
• #last_activity_time=(last_activity_time : Time)
• #local_message_counter : UInt32

  Message counters for replay protection

• #local_message_counter=(local_message_counter : UInt32)

  Message counters for replay protection

• #local_node_id : DataType::NodeId | Nil
• #local_node_id=(local_node_id : DataType::NodeId | Nil)
• #max_message_counter : UInt32
• #max_message_counter=(max_message_counter : UInt32)
• #next_message_counter : UInt32

  Get the next message counter and increment

• #peer_message_counter : UInt32 | Nil
• #peer_message_counter=(peer_message_counter : UInt32 | Nil)
• #peer_node_id : DataType::NodeId | Nil
• #peer_node_id=(peer_node_id : DataType::NodeId | Nil)
• #peer_session_id : UInt16
• #peer_session_id=(peer_session_id : UInt16)
• #session_id : UInt16
• #session_id=(session_id : UInt16)
• #session_type : SessionType
• #session_type=(session_type : SessionType)
• #set_last_activity_time(time : Time)

  Set activity time (for testing)

• #update_activity

  Update activity timestamp

• #validate_message_counter(received_counter : UInt32) : Bool

  Validate received message counter (prevent replay attacks)

Constructor Detail

Instance Method Detail