DICOM PS3.15 2021b - Security and System Management Profiles

3 Definitions (Current)
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# 3 Definitions

For the purposes of this Standard the following definitions apply.

## 3.1 Reference Model Definitions

This Part of the Standard makes use of the following terms defined in [ISO 7498-1]:

Application Entity

  See [ISO 7498-1].

Protocol Data Unit

  See [ISO 7498-1].

Transport Connection

  See [ISO 7498-1].

## 3.2 Reference Model Security Architecture Definitions

This Part of the Standard makes use of the following terms defined in [ISO 7498-2]:

Data Confidentiality

  See [ISO 7498-2].

  ### Note

  The definition is "the property that information is not made available or disclosed to unauthorized individuals, entities or processes."

Data Origin Authentication

  See [ISO 7498-2].

  ### Note

  The definition is "the corroboration that the source of data received is as claimed."

Data Integrity

  See [ISO 7498-2].

  ### Note

  The definition is "the property that data has not been altered or destroyed in an unauthorized manner."

Key Management

  See [ISO 7498-2].

  ### Note

  The definition is "the generation, storage, distribution, deletion, archiving and application of keys in accordance with a security policy."

Digital Signature

  See [ISO 7498-2].

  ### Note

  The definition is "Data appended to, or a cryptographic transformation of, a data unit that allows a recipient of the data unit to prove the source and integrity of that unit and protect against forgery e.g., by the recipient."

## 3.3 ACSE Service Definitions

This Part of the Standard makes use of the following terms defined in [ISO 8649]:

Association

  See [ISO 8649].

## 3.4 Security Definitions

This Part of the Standard makes use of the following terms defined in [ECMA 235]:

Security Context

  See [ECMA 235].

  ### Note

  The definition is "security information that represents, or will represent a Security Association to an initiator or acceptor that has formed, or is attempting to form such an association."

## 3.5 DICOM Introduction and Overview Definitions

This Part of the Standard makes use of the following terms defined in PS3.1:

Attribute

  Attribute.

Service Object Pair Class (SOP Class)

  Service-Object Pair Class (SOP Class).

## 3.6 DICOM Conformance Definitions

This Part of the Standard makes use of the following terms defined in PS3.2:

Security Profile

  Security Profile.

## 3.7 DICOM Information Object Definitions

This Part of the Standard makes use of the following terms defined in PS3.3:

Module

  Module.

## 3.8 DICOM Service Class Definitions

This Part of the Standard makes use of the following terms defined in PS3.4:

Service Class

  Service Class.

Service-Object Pair Instance (SOP Instance)

  Service-Object Pair Instance (SOP Instance).

## 3.9 DICOM Communication Support Definitions

This Part of the Standard makes use of the following terms defined in PS3.8:

DICOM Upper Layer Service

  DICOM Upper Layer Service.

## 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.

## 3.11 DICOM Data Structures and Encoding

This Part of the Standard makes use of the following terms defined in PS3.5:

Data Set

  Data Set.

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DICOM PS3.15 2021b - Security and System Management Profiles