[ASN.1] ANY

[Bujji krishna R B]

Hello,

        I would like to know if the following ASN.1 construct a valid one.

        X ::= SEQUENCE {

                id1 OBJECT IDENTIFIER,
                id2 OBJECT IDENTIFIER,
                parameters1 ANY DEFINED BY id1 OPTIONAL,
                parameters2 ANY DEFINED BY id2 OPTIONAL
        }

        Since both ANY fields are OPTIONAL, do we need to have context specific
TAGS for ANY.

Thanks
krishna






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