Certificatebased OBE Point2Point Link Establishment

1
Certificate-based OBE Point2Point Link
Establishment

• Dilip Krishnaswamy, Qualcomm

2
OBE-OBE Link Establishment

• OBE A broadcasts message that uses a spare bit
  at the MAC-layer indicating Point-to-point Link
  Interest
• OBE A broadcast message includes an OBE
  identifier that would be quasi-persistent
• OBE A message includes a certificate with a
  public key of OBE A
• OBE A message includes other useful information
  such as
• GPS location of OBE A
• Safety information (such as velocity) related to
  OBE A
• OBE B verifies OBE As certificate, sends a
  message to OBE A including quasi-static OBE
  identifier of OBE A indicating interest to
  connect to OBE A
• Message includes an AES session key in an
  encrypted (using OBE As public key) message to
  OBE A
• Message includes certificate of OBE B
• Message includes a quasi-static OBE identifier
  for OBE B
• OBE A verifies OBE Bs certificate, starts
  communicating with OBE B using the AES session
  key, with the quasi-static identifiers of OBE A
  and OBE B