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ASN.1 Modules

What is ASN.1?

ASN.1 stands for Abstract Syntax Notation. ASN.1 was first specified in X.680 - Abstract Syntax Notation One (ASN.1), by the International Telecommunications Union. ASN.1 messages can be encoded in one of several encoding/decoding standards. It provides a system of types that are extensible, and can presumably describe every protocol. You can think of it as a protocol for describing other protocols as well as a family of standards for encoding and decoding said protocols. It is similar to Google's Protocol Buffers, or Sun Microsystems' External Data Representation (XDR).

Why ASN.1?

ASN.1 is used in, or required by, multiple technologies, including:

If you look in the asn1 directory of WireShark's source code, you'll see all of the protocols that use ASN.1.

Sources

I retrieved most of these specifications from this database.

Todo

Some of the todos are crossed out because I can't find them.

  • Under {joint-iso-itu-t(2) ds(5) module(1)}:
    • usefulDefinitions(0)
    • informationFramework(1)
    • directoryAbstractService(2)
    • distributedOperations(3)
    • protocolObjectIdentifiers(4)
    • selectedAttributeTypes(5)
    • selectedObjectClasses(6)
    • authenticationFramework(7)
    • algorithmObjectIdentifiers(8)
    • directoryObjectIdentifiers(9)
    • upperBounds(10)
    • dap(11)
    • dsp(12)
    • distributedDirectoryOIDs(13)
    • directoryShadowOIDs(14)
    • directoryShadowAbstractService(15)
    • disp(16)
    • dop(17)
    • opBindingManagement(18)
    • opBindingOIDs(19)
    • hierarchicalOperationalBindings(20)
    • dsaOperationalAttributeTypes(22)
    • schemaAdministration(23)
    • basicAccessControl(24)
    • directoryOperationalBindingTypes(25)
    • certificateExtensions(26) WARNING: I don't think this one was correct.
    • directoryManagement(27)
    • enhancedSecurity(28)
    • directorySecurityExchanges(29)
    • iDMProtocolSpecification(30)
    • directoryIDMProtocols(31)
    • attributeCertificateDefinitions(32)
    • serviceAdministration(33)
    • externalDefinitions(34)
    • commonProtocolSpecification(35)
    • oSIProtocolSpecification(36) WARNING: I don't think this one was correct, either.
    • directoryOSIProtocols(37)
    • ldapSystemSchema(38) WARNING: Or this one...
    • passwordPolicy(39)
    • pkiPmiExternalDataTypes(40)
    • extensionAttributes(41)
    • pkiPmiWrapper(42)
    • pkiPMIProtocolSpecifications(43)
    • trustBrokerProtocol(44)

See Also

Contact Me

If you would like to suggest fixes or improvements on this library, please just leave an issue on this GitHub page. If you would like to contact me for other reasons, please email me at jonathan@wilbur.space (My GPG Key) (My TLS Certificate). 🐗

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