[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Abbreviated Tag Names (ASN.1)
"Thomas B. Passin" wrote: > > > > - There's no standard way to translate between asn.1 and xml, and their > data > > > models are not fully congruent. > > > > Here I say: "not yet"! > > The ASN.1 Project from ITU-T is actually working (jointly with ISO) on 2 > > initiatives: > > 1. an XML value notation for ASN.1 types (or "ASN.1 Markup Language") that > > allow to write values by way of an XML markup whose tags are derivated > > from the ASN.1 type names. > > Such an XML value notation can appear in an ASN.1 module, and can be > > used to display ASN.1 values with an XML browser. > > When appended with an XML document header and footer, this value notation > > turns into what could be called "XML Encoding Rules for ASN.1". This will > > be a standard named ITU-T Recommendation X.693 | ISO/IEC 8825-4. > > I'm eagerly awaiting a URL. We've quickly drafted a presentation at: http://asn1.elibel.tm.fr/xml Of course this will be improved if we receive comments. > > 2. an XML Schema to ASN.1 mapping that keeps all the information contained > > in an XML Schema and translates it into equivalent ASN.1 types and subtype > > constraints. You can then use ASN.1 standardized encoding rules such as > > DER (that allow digital signatures and encryption, for example) or PER (to > > very efficiently transmit data over a radio channel, for example), as well > as > > associated ASN.1 tools, for data that are defined in XML. > > This will be a standard named ITU-T Recommendation X.694 | ISO/IEC 8825-5. > > This will be very nice to have! -- Olivier DUBUISSON france telecom R&D _ DTL/MSV - 22307 Lannion Cedex - France ( ) tel: +33 2 96 05 38 50 - fax: +33 2 96 05 39 45 /.\/ -------------------------------------- \_/\ Site ASN.1 : http://asn1.elibel.tm.fr/
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