3.8 DICOM Service Class Definitions

This Part of the Standard makes use of the following terms defined in PS 3.4:

  1. Service Class

  2. Service-Object Pair (SOP) Instance

3.9 DICOM Communication Support Definitions

This Part of the Standard makes use of the following terms defined in PS 3.8:

  1. DICOM Upper Layer

3.10 DICOM Security Profile Definitions

The following definitions are commonly used in this Part of the DICOM Standard:

Secure Transport Connection: a Transport Connection that provides some level of protection against tampering, eavesdropping, masquerading.

Message Authentication Code: A digest or hash code derived from a subset of Data Elements.

Certificate: An electronic document that identifies a party and that party’s public encryption algorithm, parameters, and key. The Certificate also includes, among other things, the identity and a digital signature from the entity that created the certificate. The content and format of a Certificate are defined by ITU-T Recommendation X.509.