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  1. Preface
  2. Libraries for Industry Standards
  3. Using Libraries
  4. Descriptions of the Libraries
  5. Generate Library Objects

Libraries Guide

Libraries Guide

ASN.1 Input Message Structure

ASN.1 Input Message Structure

The ASN.1 input is in binary format. The wizard creates a transformation for ASN.1 that includes the
AsnToXml
document processor. The document processor shows the input in an XML representation.
An ASN.1 source usually contains many messages. Each message is a data structure that conforms to the protocol specification. The source can contain separator strings between the messages, and there can be a header string before the first message.
The data is in a binary format. The following example contains data in the BER encoding:
An ASN.1 source contains binary data that is not readable.
The
AsnToXml
document processor converts the data to the ASN.1 XER encoding, which is an XML representation. When the Data Processor transformation wizard creates a transformation for ASN.1, it includes the
AsnToXml
document processor in the transformation.
The following example contains the XML that the
AsnToXml
document processor generates:
<mobileTerminatedCall> <basicCallInformation> <chargeableSubscriber> <simChargeableSubscriber> <imsi>45404200</imsi> <msisdn>85290469</msisdn> </simChargeableSubscriber> </chargeableSubscriber>
The XML hierarchy corresponds to the input message structure.

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