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PKCS Documents and ASN.1

PKCS Documents and ASN.1. Magnus Nystrom RSA Laboratories PKCS Workshop, 1999. Background. ASN.1 has been used in PKCS documents since the early days Only lately have truly compilable modules been included (PKCS #5 v2.0, PKCS #12 v1.0, PKCS #15v1.0)

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PKCS Documents and ASN.1

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  1. PKCS Documents and ASN.1 Magnus Nystrom RSA Laboratories PKCS Workshop, 1999

  2. Background • ASN.1 has been used in PKCS documents since the early days • Only lately have truly compilable modules been included (PKCS #5 v2.0, PKCS #12 v1.0, PKCS #15v1.0) • ASN.1 Syntax is varying between 1988 version and 1994 version in other documents (and is sometimes not even correct)

  3. Motivation • This has led to some confusion (e.g. IMPLICIT or EXPLICIT tags?) and difficulties for developers • Goals of the initiative presented here: • Make life easier for developers (enables use of ASN.1 compilers, conformance testing) • Simplify creation of test-vectors

  4. The Proposal • RSA Laboratories intends to publish compilable ASN.1 modules for all active PKCS documents that use ASN.1 (I.e. #1, #5, #7(?), #8, #9, #10, #12, #13, #15) • These modules will cross-reference each other and import types from other standards as needed

  5. The Proposal, II • All modules will be written in the 1994/1997 ASN.1 notation (but will be compatible with existing documents using 1988 version) • All modules will be published at RSA Laboratories’ web site

  6. Other Modules • With permission from ISO/IEC, we intend to publish ASN.1 modules from selected ISO standards as well, in order to simplify the task of compiling PKCS modules • This will mostly be a subset of X.500 modules • Same discussion with ANSI X9F1

  7. Time Plan • Compilable ASN.1 modules for PKCS documents will be published during this fall • Publication of selected (parts of) ISO/IEC and/or ANSI X9F1 modules will take place as soon as we receive permission to do so

  8. Contacting Us • Comments? Suggestions? • pkcs-tng@rsasecurity.com • pkcs-editor@rsasecurity.com

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