SIO DEFINITIONS ::=
BEGIN

-- Black Hate Asia 25: Dismantling-the-seos-protocol.

Key ::= SEQUENCE {
  referenceId [1] IMPLICIT OCTET STRING,
  crypto OCTET STRING
}

PACS ::= SEQUENCE {
  payload [5] IMPLICIT OCTET STRING
}

SIO ::= SEQUENCE {
  rid [1] IMPLICIT OCTET STRING,
  unknown3 [3] IMPLICIT OCTET STRING OPTIONAL,
  unknown5 [5] NULL,
  key [6] IMPLICIT Key,
  pacs [7] IMPLICIT PACS,
  unknown9 [9] NULL
}

END