draft-ietf-keyprov-symmetrickeyformat-00.txt   draft-ietf-keyprov-symmetrickeyformat-01.txt 
KEYPROV Working Group Sean Turner, IECA KEYPROV Working Group Sean Turner, IECA
Internet Draft Russ Housley, Vigil Security Internet Draft Russ Housley, Vigil Security
Intended Status: Standard Track August 31, 2007 Intended Status: Standard Track November 18, 2007
Expires: February 28, 2008 Expires: May 18, 2008
Symmetric Key Package Content Type Symmetric Key Package Content Type
draft-ietf-keyprov-symmetrickeyformat-00.txt draft-ietf-keyprov-symmetrickeyformat-01.txt
Status of this Memo Status of this Memo
By submitting this Internet-Draft, each author represents that any By submitting this Internet-Draft, each author represents that any
applicable patent or other IPR claims of which he or she is aware applicable patent or other IPR claims of which he or she is aware
have been or will be disclosed, and any of which he or she becomes have been or will be disclosed, and any of which he or she becomes
aware will be disclosed, in accordance with Section 6 of BCP 79. aware will be disclosed, in accordance with Section 6 of BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
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and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
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This Internet-Draft will expire on February 28, 2008. This Internet-Draft will expire on May 18, 2008.
Copyright Notice Copyright Notice
Copyright (C) The IETF Trust (2007). Copyright (C) The IETF Trust (2007).
Abstract Abstract
This document defines the symmetric key format content type. It is This document defines the symmetric key format content type. It is
transport independent. The Cryptographic Message Syntax [RFC3852] can transport independent. The Cryptographic Message Syntax [RFC3852] can
be used to digitally sign, digest, authenticate, or encrypt this be used to digitally sign, digest, authenticate, or encrypt this
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content type. content type.
1.1. Requirements Terminology 1.1. Requirements Terminology
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in [RFC2119]. document are to be interpreted as described in [RFC2119].
1.2. ASN.1 Syntax Notation 1.2. ASN.1 Syntax Notation
The key package is defined using the ASN.1 [X.680]. The key package is defined using the ASN.1 [X.680,X.681].
2. Symmetric Key Package Content Type 2. Symmetric Key Package Content Type
The symmetric key package content type is used to transfer one or The symmetric key package content type is used to transfer one or
more plaintext symmetric keys from one party to another. A symmetric more plaintext symmetric keys from one party to another. A symmetric
key package MAY be encapsulated in one or more CMS protecting content key package MAY be encapsulated in one or more CMS protecting content
types. This content type must be DER encoded [X.690]. types. This content type must be DER encoded [X.690].
The symmetric key package content type has the following syntax: The symmetric key package content type has the following syntax:
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KeyPkgVersion ::= INTEGER { v1(1), ... } KeyPkgVersion ::= INTEGER { v1(1), ... }
The SymmetricKeyPackage fields are used as follows: The SymmetricKeyPackage fields are used as follows:
- version identifies version of the symmetric key package content - version identifies version of the symmetric key package content
structure. For this version of the specification, the default structure. For this version of the specification, the default
value, v1, MUST be used. value, v1, MUST be used.
- sKeyPkgAttrs optionally provides attributes that apply to all of - sKeyPkgAttrs optionally provides attributes that apply to all of
the symmetric keys in the package. If an attribute appears here it the symmetric keys in the package. If an attribute appears here it
MUST not also be included in sKeyAttrs. MUST NOT also be included in sKeyAttrs.
- sKeys contains a sequence of OneSymmetricKey values. This - sKeys contains a sequence of OneSymmetricKey values. This
structure is discussed below. structure is discussed below.
The OneSymmetricKey fields are used as follows: The OneSymmetricKey fields are used as follows:
- sKeyAttrs optionally provides attributes that apply to one - sKeyAttrs optionally provides attributes that apply to one
symmetric key. If an attribute appears here it MUST not also be symmetric key. If an attribute appears here it MUST NOT also be
included in sKeyPkgAttrs. included in sKeyPkgAttrs.
- sKey contains the key value encoded as an OCTET STRING. - sKey contains the key value encoded as an OCTET STRING.
3. Security Considerations 3. Security Considerations
The symmetric key package contents are not protected. This content The symmetric key package contents are not protected. This content
type can be combined with a security protocol to protect the contents type can be combined with a security protocol to protect the contents
of the package. of the package.
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5. References 5. References
5.1. Normative References 5.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119, March 1997.
[X.680] ITU-T Recommendation X.680: Information Technology - Abstract [X.680] ITU-T Recommendation X.680: Information Technology - Abstract
Syntax Notation One, 1997. Syntax Notation One, 1997.
[X.681] ITU-T Recommendation X.680: Information Technology - Abstract
Syntax Notation One: Information Object Spcification, 1997.
[X.690] ITU-T Recommendation X.690 Information Technology - ASN.1 [X.690] ITU-T Recommendation X.690 Information Technology - ASN.1
encoding rules: Specification of Basic Encoding Rules (BER), encoding rules: Specification of Basic Encoding Rules (BER),
Canonical Encoding Rules (CER) and Distinguished Encoding Rules Canonical Encoding Rules (CER) and Distinguished Encoding Rules
(DER), 1997. (DER), 1997.
5.2. Non-Normative References 5.2. Non-Normative References
[RFC3852] Housley, R., "Cryptographic Message Syntax (CMS)", RFC3852, [RFC3852] Housley, R., "Cryptographic Message Syntax (CMS)", RFC3852,
July 2004. July 2004.
APPENDIX A: ASN.1 Module APPENDIX A: ASN.1 Module
This appendix provides the normative ASN.1 definitions for the This appendix provides the normative ASN.1 definitions for the
structures described in this specification using ASN.1 as defined in structures described in this specification using ASN.1 as defined in
X.680. X.680 and X.681.
SymmetricKeyPackageModulev1 SymmetricKeyPackageModulev1
{ iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-9(9) { iso(1) member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs-9(9)
smime(16) modules(0) 33 } smime(16) modules(0) 33 }
DEFINITIONS IMPLICIT TAGS ::= DEFINITIONS IMPLICIT TAGS ::=
BEGIN BEGIN
-- EXPORTS ALL -- EXPORTS ALL
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AttributeValue ::= ATTRIBUTE.&Type AttributeValue ::= ATTRIBUTE.&Type
AttributeUsage ::= ENUMERATED { AttributeUsage ::= ENUMERATED {
userApplications (0), userApplications (0),
directoryOperation (1), directoryOperation (1),
distributedOperation (2), distributedOperation (2),
dSAOperation (3) } dSAOperation (3) }
END END
Editor's Address Author's Address
Sean Turner Sean Turner
IECA, Inc. IECA, Inc.
3057 Nutley Street, Suite 106
Fairfax, VA 22031
USA
Email: turners (at) ieca (dot) com Email: turners@ieca.com
Russ Housley Russ Housley
Vigil Security
Email: housley (at) vigilsec (dot) com Vigil Security, LLC
918 Spring Knoll Drive
Herndon, VA 20170
USA
EMail: housley@vigilsec.com
Full Copyright Statement Full Copyright Statement
Copyright (C) The IETF Trust (2007). Copyright (C) The IETF Trust (2007).
This document is subject to the rights, licenses and restrictions This document is subject to the rights, licenses and restrictions
contained in BCP 78, and except as set forth therein, the authors contained in BCP 78, and except as set forth therein, the authors
retain all their rights. retain all their rights.
This document and the information contained herein are provided on an This document and the information contained herein are provided on an
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