I am using 2 ASN.1 files pkcs-1.asn and pkcs-8.asn from the PKCS standards which both define the same modules. Can I specify the same package name for both? For example, suppose the package name is com.name.pkcs . I compiled these 2 files separately and I got two similar files in the same package.

This question applies to PKCS and other standards as well. You can put class files in a common package by compiling the pkcs-1 and pkcs-8 together:

asn1pjav -root -o com.name.pkcs pkcs-1.asn pkcs-8.asn

Note the use of the -root option to instruct the ASN.1 compiler that all input modules are root modules. Otherwise, the compiler will treat PKCS-1 as a helper module for PKCS-8 and since PKCS-8 does not import any types from the PKCS-1, it will not generate any PKCS-1 classes. Alternatively, you can specify the set of root modules via the OSS.ROOT standard directive.

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