>>>>> "Monika" == Monika Borikar <monikaborikar at hotmail.com> writes: Monika> What are ASN1, object identifiers (oid) & how are they Monika> interrelated? ASN.1 is an encoding of structured data for wire protocols. Or rather it is a set of rules for describing the structure of that data. OIDs (object identifiers) are used by ASN.1 to uniquely name certain types of objects.