The following definitions are commonly used in this Part of the DICOM Standard:
a Transport Connection that provides some level of protection against tampering, eavesdropping, masquerading.
A digest or hash code derived from a subset of Data Elements.
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.