Web Services Security
X.509 Certificate Token Profile 1.1

OASIS Public Review Draft – 28 June 2005

OASIS Identifier:

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Document Location:

wss-v1.1-spec-pr-x509TokenProfile-01

Location:

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[persistent location]

This Version:

 http://docs.oasis-open.org/wss/2005/xx/wss-v1.1-spec-pr-x509TokenProfile-0

Previous Version:

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Technical Committee:

Web Service Security (WSS)

Chairs:

Kelvin Lawrence, IBM

            Chris Kaler, Microsoft

Editors:

Anthony Nadalin, IBM

            Chris Kaler, Microsoft

            Ronald Monzillo, Sun

Phillip Hallam-Baker, Verisign

 

Abstract:

This document describes how to use X.509 Certificates with the Web Services Security: SOAP Message Security specification [WS-Security] specification.

Status:

This is an interim draft.

Committee members should send comments on this specification to the wss@lists.oasis-open.org list. Others should subscribe to and send comments to the wss-comment@lists.oasis-open.org list. To subscribe, visit http://lists.oasis-open.org/ob/adm.pl.

For information on whether any patents have been disclosed that may be essential to implementing this specification, and any offers of patent licensing terms, please refer to the Intellectual Property Rights section of the WS-Security TC web page (http://www.oasis-open.org/committees/wss/ipr.php).

OASIS takes no position regarding the validity or scope of any intellectual property or other rights that might be claimed to pertain to the implementation or use of the technology described in this document or the extent to which any license under such rights might or might not be available; neither does it represent that it has made any effort to identify any such rights. Information on OASIS's procedures with respect to rights in OASIS specifications can be found at the OASIS website. Copies of claims of rights made available for publication and any assurances of licenses to be made available, or the result of an attempt made to obtain a general license or permission for the use of such proprietary rights by implementors or users of this specification, can be obtained from the OASIS Executive Director.

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Copyright  © The Organization for the Advancement of Structured Information Standards [OASIS] 2002-2005. All Rights Reserved.

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Table of Contents

1      Introduction (Non-Normative) 54

2      Notations and Terminology (Normative) 65

2.1 Notational Conventions. 65

2.2 Namespaces. 65

2.3 Terminology. 76

3      Usage (Normative) 98

3.1 Token types. 98

3.1.1 X509 Token Type. 98

3.1.2 X509PKIPathv1 Token Type. 98

3.1.3 PKCS7 Token Type. 98

3.2 Token References. 109

3.2.1 Reference to an X.509 Subject Key Identifier 109

3.2.2 Reference to a Security Token. 1110

3.2.3 Reference to an Issuer and Serial Number 1110

3.2.4 Thumbprint References. 1110

3.3 Signature. 1110

3.3.1 Key Identifier 1211

3.3.2 Reference to a Binary Security Token. 1312

3.3.3 Reference to an Issuer and Serial Number 1413

3.4 Encryption. 1514

3.5 Error Codes. 1615

4      Threat Model and Countermeasures (Non-Normative) 1716

5      References. 1817

Appendix A: Acknowlegments. Error! Bookmark not defined.

Appendix B: Revision History. 2120

 

This specification describes the use of the X.509 authentication framework with the Web Services Security: SOAP Message Security specification [WS-Security].

 

An X.509 certificate specifies a binding between a public key and a set of attributes that includes (at least) a subject name, issuer name, serial number and validity interval. This binding may be subject to subsequent revocation advertised by mechanisms that include issuance of CRLs, OCSP tokens or mechanisms that are outside the X.509 framework, such as XKMS.

 

An X.509 certificate may be used to validate a public key that may be used to authenticate a SOAP message or to identify the public key with SOAP message that has been encrypted.

 

Note that Sections 2.1, 2.2, all of 3, and indicated parts of 5 are normative.  All other sections are non-normative.

This section specifies the notations, namespaces and terminology used in this specification.

2.1 Notational Conventions

The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this document are to be interpreted as described in RFC 2119.

 

When describing abstract data models, this specification uses the notational convention used by the XML Infoset. Specifically, abstract property names always appear in square brackets (e.g., [some property]).

 

When describing concrete XML schemas, this specification uses a convention where each member of an element’s [children] or [attributes] property is described using an XPath-like notation (e.g., /x:MyHeader/x:SomeProperty/@value1).  The use of {any} indicates the presence of an element wildcard (<xs:any/>). The use of @{any} indicates the presence of an attribute wildcard (<xs:anyAttribute/>).

 

2.2 Namespaces

Namespace URIs (of the general form "some-URI") represents some application-dependent or context-dependent URI as defined in RFC 3986 [URI]. This specification is designed to work with the general SOAP [SOAP11, SOAP12] message structure and message processing model, and should be applicable to any version of SOAP. The current SOAP 1.1 namespace URI is used herein to provide detailed examples, but there is no intention to limit the applicability of this specification to a single version of SOAP.

 

The namespaces used in this document are shown in the following table (note that for brevity, the examples use the prefixes listed below but do not include the URIs – those listed below are assumed).

 

       http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd

http://docs.oasis-open.org/wss/2005/xx/oasis-2005xx-wss-wssecurity-secext-1.1.xsd

 

The following namespace prefixes are used in this document:

Prefix

Namespace

S11

http://schemas.xmlsoap.org/soap/envelope/

S12

http://www.w3.org/2003/05/soap-envelope

ds

http://www.w3.org/2000/09/xmldsig#

xenc

http://www.w3.org/2001/04/xmlenc#

wsse

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd

wsse11

http://docs.oasis-open.org/wss/2005/xx/oasis-2005xx-wss-wssecurity-secext-1.1.xsd

wsu

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd

Table 1- Namespace prefixes

URI fragments defined in this specification are relative to the following  base URI unless otherwise stated:

 

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0

 

The following table lists the full URI for each URI fragment referred to in this specification.

URI Fragment

Full URI

#Base64Binary

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary

#STR-Transform

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#STR-Transform

#PKCS7

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#PKCS7

#X509v3

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509v3

#X509PKIPathv1

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509PKIPathv1

#X509SubjectKeyIdentifier

http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509SubjectKeyIdentifier

 

2.3 Terminology

This specification adopts the terminology defined in Web Services Security: SOAP Message Security specification [WS-Security]. 

 

Readers are presumed to be familiar with the definitions of terms in the Internet Security Glossary [Glossary].

3        Usage (Normative)

This specification describes the syntax and processing rules for the use of the X.509 authentication framework with the Web Services Security: SOAP Message Security specification [WS-Security]. For the purposes of determining the order of preference of reference types, the use of IssuerSerial within X509Data should be considered to be a form of Key Identifier

3.1 Token types

This profile defines the syntax of, and processing rules for, three types of binary security token using the URI values specified in Table 2Table 2.

 

If the ValueType attribute is missing, the receiver may interperet it either based on a prior agreement or by parsing the content.

 

Token

ValueType URI

Description

Single certificate

#X509v3

An X.509 v3 signature-verification certificate

Single certificate

#x509v1

An X.509 v1 signature-verification certificate.

Certificate Path

#X509PKIPathv1

An ordered list of X.509 certificates packaged in a PKIPath

Set of certificates and CRLs

#PKCS7

A list of X.509 certificates and (optionally) CRLs packaged in a PKCS#7 wrapper

Table 2 – Token types

3.1.1 X509v3 Token Type

The type of the end-entity that is authenticated by a certificate used in this manner is a matter of policy that is outside the scope of this specification.

3.1.2 X509PKIPathv1 Token Type

The X509PKIPathv1 token type MAY be used to represent a certificate path.

3.1.3 PKCS7 Token Type

The PKCS7 token type MAY be used to represent a certificate path. It is RECOMMENDED that applications use the PKIPath object for this purpose instead.

 

The order of the certificates in a PKCS#7 data structure is not significant. If an ordered certificate path is converted to PKCS#7 encoded bytes and then converted back, the order of the certificates may not be preserved. Processors SHALL NOT assume any significance to the order of the certificates in the data structure. See [PKCS7] for more information.

3.2 Token References

In order to ensure a consistent processing model across all the token types supported by WSS: SOAP Message Security, the <wsse:SecurityTokenReference> element SHALL be used to specify all references to X.509 token types in signature or encryption elements that comply with this profile.

 

A <wsse:SecurityTokenReference> element MAY reference an X.509 token type by one of the following means:

 

Reference to a Subject Key Identifier
The <wsse:SecurityTokenReference> element contains a <wsse:KeyIdentifier> element that specifies the token data by means of a X.509 SubjectKeyIdentifier reference. A subject key identifier may only be used to reference an X.509v3 certificate.”

 

Reference to a Binary Security Token
The <wsse:SecurityTokenReference> element contains a <wsse:Reference> element that references a local <wsse:BinarySecurityToken> element or a remote data source that contains the token data itself.

 

Reference to an Issuer and Serial Number
The <wsse:SecurityTokenReference> element contains a <ds:X509Data> element that contains a <ds:X509IssuerSerial> element that uniquely identifies an end entity certificate by its X.509 Issuer and Serial Number.

3.2.1 Reference to an X.509 Subject Key Identifier

The <wsse:KeyIdentifier> element is used to specify a reference to an X.509v3 certificate by means of a reference to its X.509 SubjectKeyIdentifier attribute. This profile defines the syntax of, and processing rules for referencing a Subject Key Identifier using the URI values specified in Table 3 (note that URI fragments are relative to the URI for this specification).

 

Subject Key Identifier

ValueType URI

Description

Certificate Key Identifier

#X509SubjectKeyIdentifier

Value of the certificate’s X.509 SubjectKeyIdentifier

Table 3 – Subject Key Identifier

The <wsse:SecurityTokenReference> element from which the reference is made contains the <wsse:KeyIdentifier>  element. The <wsse:KeyIdentifier> element MUST have a ValueType attribute with the value #X509SubjectKeyIdentifier and its contents MUST be the value of the certificate’s X.509v3 SubjectKeyIdentifier extension, encoded as per the <wsse:KeyIdentifier> element’s EncodingType attribute. For the purposes of this specification, the value of the SubjectKeyIdentifier extension is the contents of the KeyIdentifier octet string, excluding the encoding of the octet string prefix.

3.2.2 Reference to a Security Token

The <wsse:Reference> element is used to reference an X.509 security token value by means of a URI reference.

The URI reference MAY be internal in which case the URI reference SHOULD be a bare name XPointer reference to a <wsse:BinarySecurityToken> element contained in a preceding message header that contains the binary X.509 security token data.

3.2.3 Reference to an Issuer and Serial Number

The <ds:X509IssuerSerial> element is used to specify a reference to an X.509 security token by means of the certificate issuer name and serial number.

 

The <ds:X509IssuerSerial> element is a direct child of the <ds:X509Data> element that is in turn a direct child of the <wsse:SecurityTokenReference> element in which the reference is made.

3.2.4 Thumbprint References

The <wsse:KeyIdentifier> element is used to specify a reference to an X.509 certificate by means of a reference to its X.509 Thumbprint attribute. This profile defines the syntax of, and the processing rules for referencing a Thumbprint using the URI values specified below (note that the URI fragment is relative to http://docs.oasis-open.org/wss/2005/xx/oasis-2005xx-wss-soap-message-security-1.1):

 

Subject Key Identifier

ValueType URI

Description

Thumbprint

#X509ThumbprintSHA1

The thumbprint of the X.509 certificate

 

The <wsse:SecurityTokenReference> element from which the reference is made contains a <wsse:KeyIdentifier> element. The <wsse:KeyIdentifier> element MUST have a ValueType attribute with the value or http://docs.oasis-open.org/wss/2005/xx/oasis-2005xx-wss-soap-message-security-1.1#ThumbprintSHA1 and its contents MUST be the  thumbprint for the desired certificate .  If the certificate does not contain a X.509 Thumbprint extension, then one is computed as the SHA1 of the raw octets which would be encoded within the  <wsse:BinarySecurityToken> element were it to be included.  The thumbprint is encoded as per the <wsse:KeyIdentifier> element's EncodingType attribute.   The default encoding is Base64. Implementations compliant with this specification MAY support such a certificate reference mechanism.

3.3 Signature

Signed data MAY specify the certificate associated with the signature using any of the X.509 security token types and references defined in this specification.

 

An X.509 certificate specifies a binding between a public key and a set of attributes that includes (at least) a subject name, issuer name, serial number and validity interval. Other attributes may specify constraints on the use of the certificate or affect the recourse that may be open to a relying party that depends on the certificate. A given public key may be specified in more than one X.509 certificate; consequently a given public key may be bound to two or more distinct sets of attributes.

 

It is therefore necessary to ensure that a signature created under an X.509 certificate token uniquely and irrefutably specifies the certificate under which the signature was created.

 

Implementations SHOULD protect against a certificate substitution attack by including either the certificate itself or an immutable and unambiguous reference to the certificate within the scope of the signature according to the method used to reference the certificate as described in the following sections.

3.3.1 Key Identifier

The <wsse:KeyIdentifier> element does not guarantee an immutable and unambiguous reference to the certificate referenced. Consequently implementations that use this form of reference within a signature SHOULD employ the STR Dereferencing Transform within a  reference to the signature key information in order to ensure that the referenced certificate is signed, and not just the ambiguous reference. The form of the reference is a bare name reference as defined by the XPointer specification [XPointer].

 

The following example shows a certificate referenced by means of a KeyIdentifier. The scope of the signature is the <ds:SignedInfo> element which includes both the message body (#body) and the signing certificate by means of a reference to the <ds:KeyInfo> element which references it (#keyinfo). Since the <ds:KeyInfo> element only contains a mutable reference to the certificate rather than the certificate itself, a transformation is specified which replaces the reference to the certificate with the certificate. The <ds:KeyInfo> element specifies the signing key by means of a <wsse:SecurityTokenReference> element which contains a <wsse:KeyIdentifier> element which specifies the X.509 subject key identifier of the signing certificate.

 

<S11:Envelope xmlns:S11="...">

   <S11:Header>

      <wsse:Security

           xmlns:wsse="..."

           xmlns:wsu="...">

         <ds:Signature

              xmlns:ds="http://www.w3.org/2000/09/xmldsig#">

            <ds:SignedInfo>…

               <ds:Reference URI="#body">…</ds:Reference>

               <ds:Reference URI="#keyinfo">

                  <ds:Transforms>

                     <ds:Transform  Algorithm="...#STR-Transform">

                        <wsse:TransformationParameters>

                          <ds:CanonicalizationMethod Algorithm="…"/>

                        </wsse:TransformationParameters>

                     </ds:Transform>

                  </ds:Transforms>…

               </ds:Reference>

            </ds:SignedInfo>

            <ds:SignatureValue>HFLP…</ds:SignatureValue>

            <ds:KeyInfo Id="keyinfo">

               <wsse:SecurityTokenReference>

                  <wsse:KeyIdentifier EncodingType="...#Base64Binary"

                       ValueType="...#X509SubjectKeyIdentifier">

                     MIGfMa0GCSq…

                  </wsse:KeyIdentifier>

               </wsse:SecurityTokenReference>

            </ds:KeyInfo>

         </ds:Signature>

      </wsse:Security>

   </S11:Header>

   <S11:Body wsu:Id="body"

        xmlns:wsu=".../">

      …

   </S11:Body>

</S11:Envelope>

3.3.2 Reference to a Binary Security Token

The signed data SHOULD contain a core bare name reference (as defined by the XPointer specification [XPointer]) to the<wsse:BinarySecurityToken> element that contains the security token referenced, or a core reference to the external data source containing the security token.

 

The following example shows a certificate embedded in a <wsse:BinarySecurityToken> element and referenced by URI within a signature. The certificate is included in the <wsse:Security>  header as a <wsse:BinarySecurityToken> element with identifier binarytoken. The scope of the signature defined by a <ds:Reference> element within the <ds:SignedInfo> element includes the signing certificate which is referenced by means of the URI bare name pointer #binarytoken. The <ds:KeyInfo> element specifies the signing key by means of a <wsse:SecurityTokenReference> element which contains a <wsse:Reference> element which references the certificate by means of the URI bare name pointer #binarytoken.

<S11:Envelope xmlns:S11="...">

   <S11:Header>

      <wsse:Security

           xmlns:wsse="..."

           xmlns:wsu="...">

         <wsse:BinarySecurityToken

              wsu:Id="binarytoken"

              ValueType="…#X509v3"

              EncodingType="…#Base64Binary">

            MIIEZzCCA9CgAwIBAgIQEmtJZc0…

         </wsse:BinarySecurityToken>

         <ds:Signature

              xmlns:ds="http://www.w3.org/2000/09/xmldsig#">

            <ds:SignedInfo>…

               <ds:Reference URI="#body">…</ds:Reference>

               <ds:Reference URI="#binarytoken">…</ds:Reference>

            </ds:SignedInfo>

            <ds:SignatureValue>HFLP…</ds:SignatureValue>

            <ds:KeyInfo>

               <wsse:SecurityTokenReference>

                  <wsse:Reference URI="#binarytoken" />

               </wsse:SecurityTokenReference>

            </ds:KeyInfo>

         </ds:Signature>

      </wsse:Security>

   </S11:Header>

   <S11:Body wsu:Id="body"

        xmlns:wsu="...">

      …

   </S11:Body>

</S11:Envelope>

3.3.3 Reference to an Issuer and Serial Number

The signed data SHOULD contain a core bare name reference (as defined by the XPointer specification [XPointer]) to the <ds:KeyInfo> element that contains the security token reference.

 

The following example shows a certificate referenced by means of its issuer name and serial number. In this example the certificate is not included in the message. The scope of the signature defined by the <ds:SignedInfo> element includes both the message body (#body) and the key information element (#keyInfo). The <ds:KeyInfo> element contains a <wsse:SecurityTokenReference> element which specifies the issuer and serial number of the specified certificate by means of the <ds:X509IssuerSerial> element.

 

<S11:Envelope xmlns:S11="...">

   <S11:Header>

      <wsse:Security

           xmlns:wsse="..."

           xmlns:wsu="...">

         <ds:Signature

                xmlns:ds="...">

            <ds:SignedInfo>…

               <ds:Reference URI="#body"></ds:Reference>                

               <ds:Reference URI="#keyinfo"></ds:Reference>

            </ds:SignedInfo>

            <ds:SignatureValue>HFLP…</ds:SignatureValue>

            <ds:KeyInfo Id="keyinfo">

               <wsse:SecurityTokenReference>

                  <ds:X509Data>

                     <ds:X509IssuerSerial>

                        <ds:X509IssuerName>

                           DC=ACMECorp, DC=com

                        </ds:X509IssuerName>

                        <ds:X509SerialNumber>12345678</X509SerialNumber>

                     </ds:X509IssuerSerial>

                  </ds:X509Data>

               </wsse:SecurityTokenReference>

            </ds:KeyInfo>

         </ds:Signature>

      </wsse:Security>

   </S11:Header>

   <S11:Body wsu:Id="body"

        xmlns:wsu="...">

      …

   </S11:Body>

</S11:Envelope>

3.4 Encryption

Encrypted keys or data MAY identify a key required for decryption by identifying the corresponding key used for encryption by means of any of the X.509 security token types or references specified herein.

 

Since the sole purpose is to identify the decryption key it is not necessary to specify either a trust path or the specific contents of the certificate itself.

 

It is RECOMMENDED that implementations specify an encryption key by reference to the Issuer and Serial Number of an X509v3 certificate security token.

 

The following example shows a decryption key referenced by means of the issuer name and serial number of an associated certificate.  In this example the certificate is not included in the message. The <ds:KeyInfo> element contains a <wsse:SecurityTokenReference> element  which specifies the issuer and serial number of the specified certificate by means of the <ds:X509IssuerSerial> element.

 

<S11:Envelope

     xmlns:S11="..."   

     xmlns:ds="..."

     xmlns:wsse="..."

     xmlns:xenc="...">

   <S11:Header>

      <wsse:Security>

         <xenc:EncryptedKey>

            <xenc:EncryptionMethod Algorithm="…"/>

            <ds:KeyInfo>

               <wsse:SecurityTokenReference>

          <ds:X509Data>

                  <ds:X509IssuerSerial>

                     <ds:X509IssuerName>

                        DC=ACMECorp, DC=com

                     </ds:X509IssuerName>

                     <ds:X509SerialNumber>12345678</X509SerialNumber>

                  </ds:X509IssuerSerial>

                 </ds:X509Data>

               </wsse:SecurityTokenReference>

            </ds:KeyInfo>

            <xenc:CipherData>

               <xenc:CipherValue>…</xenc:CipherValue>

            </xenc:CipherData>

            <xenc:ReferenceList>

               <xenc:DataReference URI="#encrypted"/>

            </xenc:ReferenceList>

         </xenc:EncryptedKey>

      </wsse:Security>

   </S11:Header>

   <S11:Body>

      <xenc:EncryptedData Id="encrypted" Type="…">

         <xenc:CipherData>

            <xenc:CipherValue>…</xenc:CipherValue>

         </xenc:CipherData>

      </xenc:EncryptedData>

   </S11:Body>

</S11:Envelope>

3.5 Error Codes

When using X.509 certificates, the error codes defined in the WSS: SOAP Message Security specification [WS-Security] MUST be used. 

 

If an implementation requires the use of a custom error it is recommended that a sub-code be defined as an extension of one of the codes defined in the WSS: SOAP Message Security specification [WS-Security].

 

The use of X.509 certificate token introduces no new threats beyond those identified in WSS: SOAP Message Security specification [WS-Security].

 

Message alteration and eavesdropping can be addressed by using the integrity and confidentiality mechanisms described in WSS: SOAP Message Security [WS-Security].  Replay attacks can be addressed by using message timestamps and caching, as well as other application-specific tracking mechanisms.  For X.509 certificates, identity is authenticated by use of keys, man-in-the-middle attacks are generally mitigated.

 

It is strongly RECOMMENDED that all relevant and immutable message data be signed.

 

It should be noted that a transport-level security protocol such as SSL or TLS [RFC2246] MAY be used to protect the message and the security token as an alternative to or in conjunction with WSS: SOAP Message Security specification [WS-Security].

The following are normative references

[Glossary]              Informational RFC 2828, Internet Security Glossary, May 2000. http://www.ietf.org/rfc/rfc2828.txt

[KEYWORDS]         S. Bradner, Key words for use in RFCs to Indicate Requirement Levels, RFC 2119, Harvard University, March 1997, http://www.ietf.org/rfc/rfc2119.txt

[RFC2246]               T. Dierks, C. Allen., The TLS Protocol Version, 1.0.  IETF RFC 2246 January 1999. http://www.ietf.org/rfc/rfc2246.txt

[SOAP11]               W3C Note, "SOAP: Simple Object Access Protocol 1.1," 08 May 2000.

[SOAP12]               W3C Recommendation, "SOAP Version 1.2 Part 1: Messaging Framework", 23 June 2003.

[URI]                       T. Berners-Lee, R. Fielding, L. Masinter, "Uniform Resource Identifiers (URI): Generic Syntax," RFC 3986, MIT/LCS, Day Software, Adobe Systems, January 2005.

 

The following are non-normative references

[WS-Security]         OASIS,”Web Services Security: SOAP Message Security” 19 January 2004, http://www.docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0

[XML-ns]                T. Bray, D. Hollander, A. Layman. Namespaces in XML. W3C Recommendation. January 1999. http://www.w3.org/TR/1999/REC-xml-names-19990114

[XML Encrypt]        W3C Recommendation, "XML Encryption Syntax andProcessing," 10 December 2002  

[XML Signature]     D. Eastlake, J. R., D. Solo, M. Bartel, J. Boyer , B. Fox , E. Simon. XML-Signature Syntax and Processing, W3C Recommendation, 12 February 2002. http://www.w3.org/TR/xmldsig-core/

[PKCS7]                 PKCS #7: Cryptographic Message Syntax Standard RSA Laboratories, November 1, 1993. http://www.rsasecurity.com/rsalabs/pkcs/pkcs-7/index.html

[PKIPATH]            http://www.itu.int/rec/recommendation.asp?type=items&lang=e&parent=T-REC-X.509-200110-I!Cor1

[X509]                     ITU-T Recommendation X.509 (1997 E): Information Technology - Open Systems Interconnection - The Directory: Authentication Framework, June 1997.

 

 

Appendix A: Acknowledgments

Contributors:

Gene

Thurston

AmberPoint

Frank

Siebenlist

Argonne National Lab

Merlin

Hughes

Baltimore Technologies

Irving

Reid

Baltimore Technologies

Peter

Dapkus

BEA

Hal

Lockhart

BEA

Steve

Anderson

BMC (Sec)

Srinivas

Davanum

Computer Associates

Thomas

DeMartini

ContentGuard

Guillermo

Lao

ContentGuard

TJ

Pannu

ContentGuard

Shawn

Sharp

Cyclone Commerce

Ganesh

Vaideeswaran

Documentum

Sam

Wei

Documentum

John

Hughes

Entegrity

Tim

Moses

Entrust

Toshihiro

Nishimura

Fujitsu

Tom

Rutt

Fujitsu

Jason

Rouault

HP

Yutaka

Kudo

Hitachi

Paula

Austel

IBM

Maryann

Hondo

IBM

Michael

McIntosh

IBM

Kelvin

Lawrence

IBM (co-Chair)

Anthony

Nadalin

IBM

Nataraj

Nagaratnam

IBM

Don

Flinn

Individual

Bob

Morgan

Individual

Paul

Cotton

Microsoft

Vijay

Gajjala

Microsoft

Chris

Kaler

Microsoft (co-Chair)

Chris

Kurt

Microsoft

John

Shewchuk

Microsoft

Prateek

Mishra

Netegrity

Frederick

Hirsch

Nokia

Senthil

Sengodan

Nokia

Lloyd

Burch

Novell

Ed

Reed

Novell

Charles

Knouse

Oblix

Vipin

Samar

Oracle

Jerry

Schwarz

Oracle

Eric

Gravengaard

Reactivity

Stuart

King

Reed Elsevier

Andrew

Nash

RSA Security

Rob

Philpott

RSA Security

Peter

Rostin

RSA Security

Martijn

de Boer

SAP

Blake

Dournaee

Sarvega

Pete

Wenzel

SeeBeyond

Jonathan

Tourzan

Sony

Yassir

Elley

Sun Microsystems

Jeff

Hodges

Sun Microsystems

Ronald

Monzillo

Sun Microsystems

Jan

Alexander

Systinet

Michael

Nguyen

The IDA of Singapore

Don

Adams

TIBCO

Symon

Chang

TIBCO

John

Weiland

US Navy

Phillip

Hallam-Baker

VeriSign

Morten

Jorgensen

Vordel

 

Contributors of input documents (if not already listed above) :

Bob

Blakley

IBM

Joel

Farrell

IBM

Satoshi

Hada

IBM

Hiroshi

Maruyama

IBM

David

Melgar

IBM

Bob

Atkinson

Microsoft

Allen

Brown

Microsoft

Giovanni

Della-Libera

Microsoft

Johannes

Klein

Microsoft  

Scott

Konersmann

Microsoft

Brian

LaMacchia

Microsoft

Paul

Leach

Microsoft

John

Manferdelli

Microsoft

Dan

Simon

Microsoft

Hervey

Wilson

Microsoft

Hemma

Prafullchandra

 VeriSign

 

Rev

Date

By Whom

What

WGD 1.1

2004-09-13

Anthony Nadalin

Initial version cloned from the Vwesion 1.1 and Errata

WGD 1.1

2005-03-22

Anthony Nadalin

Issue 373

WGD 1.1

2005-05-11

Anthony Nadalin

Issue 388

WGD 1.1

2005-05-17

Anthony Nadalin

Formatting Issues

WGD 1.1

2005-06-14

Anthony Nadalin

Fix Example