关于Asn C specification

mixtec 2003-08-02 10:42:04

请问谁哪里有Asn C Specification,能不能给我发一份，或者告诉小弟在哪里可以下载到，谢谢，偶想看看

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A basic requirement for communication in a heterogeneous computing environment is a standard external data representation. Abstract Syntax Notation One (ASN.l) has been widely used in international standard specifications: its transfer-syntax, the Basic Encoding Rules (BER), is used as the external data representation. This paper presents a BER implementation called the ED library. The EL) library includes a number of encoding and decoding routines that may be used as primitive functions to compose encoders and decoders for arbitrarily complicated ASN.l data-types. Based on the ED library, an ASN.1-C compiler, called CASNl, is designed and implemented to free the protocol implementors from the arduous work of translating protocol- defined data-types and constructing their encoders and decoders. Given an ASN.l protocol specification, CASNl automatically translates the input ASN.1 modules into C and generates the BER encoders and decoders for the protocol defined data-types. This paper discusses the CASNl design principles, user interface, and some example applications. The performance of the ED library and generated CASNl code is also measured and discussed.

ASN.1 规范，Abstract Syntax Notation

ASN.1 OER编码，英文版 Information technology — ASN.1 encoding rules: Specification of Octet Encoding Rules (OER)

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