< draft-blake-wilson-xmldsig-ecdsa-03.txt		draft-blake-wilson-xmldsig-ecdsa-04.txt >
	S. Blake-Wilson, BCI		INTERNET-DRAFT S. Blake-Wilson, BCI
	G. Karlinger, CIO Austria		G. Karlinger, CIO Austria
	INTERNET-DRAFT Y. Wang, UNCC		Y. Wang, UNCC
	Expires: 31 December 2002 30 June 2002		T. Kobayashi, NTT
			Expires: June 2003 December 2002
	ECDSA with XML-Signature Syntax		ECDSA with XML-Signature Syntax
	<draft-blake-wilson-xmldsig-ecdsa-03.txt>		<draft-blake-wilson-xmldsig-ecdsa-04.txt>
	Status of this Memo		Status of this Memo
	This document is an Internet-Draft and is in full conformance with all		This document is an Internet-Draft and is in full conformance with all
	provisions of Section 10 of RFC2026. Internet-Drafts are working		provisions of Section 10 of RFC2026. Internet-Drafts are working
	documents of the Internet Engineering Task Force (IETF), its areas,		documents of the Internet Engineering Task Force (IETF), its areas,
	and its working groups. Note that other groups may also distribute		and its working groups. Note that other groups may also distribute
	working documents as Internet-Drafts.		working documents as Internet-Drafts.
	Internet-Drafts are draft documents valid for a maximum of six months		Internet-Drafts are draft documents valid for a maximum of six months
	skipping to change at page 6, line 49 ¶		skipping to change at page 6, line 49 ¶
	</xs:complexType>		</xs:complexType>
	DTD Definition:		DTD Definition:
	<!ELEMENT ExplicitParams (FieldParams, CurveParams, BasePointParams)>		<!ELEMENT ExplicitParams (FieldParams, CurveParams, BasePointParams)>
	3.4.2.1 Field Parameters		3.4.2.1 Field Parameters
	The element FieldParams is used for encoding field parameters. The		The element FieldParams is used for encoding field parameters. The
	corresponding XML Schema type FieldParamsType is declared abstract and		corresponding XML Schema type FieldParamsType is declared abstract and
	will be extended by specialized types for prime field an characteristic		will be extended by specialized types for prime field, characteristic
	two field parameters.		two field and odd characteristic extension fields parameters.
	The XML Schema type PrimeFieldParamsType is derived from FieldParamsType		The XML Schema type PrimeFieldParamsType is derived from FieldParamsType
	and is used for for encoding prime field parameters. The type contains		and is used for for encoding prime field parameters. The type contains
	as its single subelement P, the order of the prime field.		as its single subelement P, the order of the prime field.
	The XML Schema type CharTwoFieldParamsType is derived from		The XML Schema type CharTwoFieldParamsType is derived from
	FieldParamsType as well and is used for encoding parameters of a		FieldParamsType as well and is used for encoding parameters of a
	characteristic two field. It is again an abstract type and will be		characteristic two field. It is again an abstract type and will be
	extended by specialized types for trinomial base fields and pentanomial		extended by specialized types for trinomial base fields and pentanomial
	base fields. F2m Gaussian Normal Base fields are not supported by this		base fields. F2m Gaussian Normal Base fields are not supported by this
	skipping to change at page 7, line 28 ¶		skipping to change at page 7, line 28 ¶
	CharTwoFieldParamsType and is used for encoding trinomial base fields.		CharTwoFieldParamsType and is used for encoding trinomial base fields.
	It adds the single element K, which represents the integer k, where		It adds the single element K, which represents the integer k, where
	x^m + x^k + 1 is the reduction polynomial.		x^m + x^k + 1 is the reduction polynomial.
	The XML Schema type PnBFieldParamsType is derived from		The XML Schema type PnBFieldParamsType is derived from
	CharTwoFieldParamsType as well and is used for encoding pentanomial base		CharTwoFieldParamsType as well and is used for encoding pentanomial base
	fields. It adds the three elements K1, K2 and K3, which represent the		fields. It adds the three elements K1, K2 and K3, which represent the
	integers k1, k2 and k3 respectively, where x^m + x^k3 + x^k2 + x^k1 + 1		integers k1, k2 and k3 respectively, where x^m + x^k3 + x^k2 + x^k1 + 1
	is the reduction polynomial.		is the reduction polynomial.
			The XML Schema type OddCharExtensionFieldParamsType is derived from
			FieldParamsType as well and is used for encoding parameters of a
			odd characteristic extension field.
			The type contains two elements M, the extension degree of the field,
			and W, which represent the integers w,
			where x^m - w is the reduction polynomial.
	Schema Definition:		Schema Definition:
	<xs:complexType name="FieldParamsType" abstract="true"/>		<xs:complexType name="FieldParamsType" abstract="true"/>
	<xs:complexType name="PrimeFieldParamsType">		<xs:complexType name="PrimeFieldParamsType">
	<xs:complexContent>		<xs:complexContent>
	<xs:extension base="ecdsa:FieldParamsType">		<xs:extension base="ecdsa:FieldParamsType">
	<xs:sequence>		<xs:sequence>
	<xs:element name="P" type="xs:positiveInteger"/>		<xs:element name="P" type="xs:positiveInteger"/>
	</xs:sequence>		</xs:sequence>
	skipping to change at page 8, line 4 ¶		skipping to change at page 7, line 58 ¶
	<xs:complexType name="CharTwoFieldParamsType" abstract="true">		<xs:complexType name="CharTwoFieldParamsType" abstract="true">
	<xs:complexContent>		<xs:complexContent>
	<xs:extension base="ecdsa:FieldParamsType">		<xs:extension base="ecdsa:FieldParamsType">
	<xs:sequence>		<xs:sequence>
	<xs:element name="M" type="xs:positiveInteger"/>		<xs:element name="M" type="xs:positiveInteger"/>
	</xs:sequence>		</xs:sequence>
	</xs:extension>		</xs:extension>
	</xs:complexContent>		</xs:complexContent>
	</xs:complexType>		</xs:complexType>
			<xs:complexType name="OddCharExtensionFieldParamsType" abstract="true">
			<xs:complexContent>
			<xs:extension base="ecdsa:FieldParamsType">
			<xs:sequence>
			<xs:element name="M" type="xs:positiveInteger"/>
			<xs:element name="W" type="xs:positiveInteger"/>
			</xs:sequence>
			</xs:extension>
			</xs:complexContent>
			</xs:complexType>
	<xs:complexType name="TnBFieldParamsType">		<xs:complexType name="TnBFieldParamsType">
	<xs:complexContent>		<xs:complexContent>
	<xs:extension base="ecdsa:CharTwoFieldParamsType">		<xs:extension base="ecdsa:CharTwoFieldParamsType">
	<xs:sequence>		<xs:sequence>
	<xs:element name="K" type="xs:positiveInteger"/>		<xs:element name="K" type="xs:positiveInteger"/>
	</xs:sequence>		</xs:sequence>
	</xs:extension>		</xs:extension>
	</xs:complexContent>		</xs:complexContent>
	</xs:complexType>		</xs:complexType>
	skipping to change at page 10, line 15 ¶		skipping to change at page 10, line 15 ¶
	3.4.3 EC Points		3.4.3 EC Points
	The XML Schema type ECPointType is used for encoding a point on the		The XML Schema type ECPointType is used for encoding a point on the
	elliptic curve. It consists of the subelements X and Y, providing the		elliptic curve. It consists of the subelements X and Y, providing the
	x and y coordinates of the point. Point compression representation is		x and y coordinates of the point. Point compression representation is
	not supported by this specification for the sake of simple design.		not supported by this specification for the sake of simple design.
	The point at infinity is encoded by omitting both elements X and Y.		The point at infinity is encoded by omitting both elements X and Y.
	The subelements X and Y are of type FieldElemType. This is an abstract		The subelements X and Y are of type FieldElemType. This is an abstract
	type for encoding elements of the elliptic curveÆs underlying field and		type for encoding elements of the elliptic curveËs underlying field and
	is extended by specialized types for prime field elements and		is extended by specialized types for prime field elements and
	characteristic two field elements.		characteristic two field elements.
	The XML Schema type PrimeFieldElemType is used for encoding prime field		The XML Schema type PrimeFieldElemType is used for encoding prime field
	elements. It contains a single attribute named Value, whose value		elements. It contains a single attribute named Value, whose value
	represents the field element as an integer.		represents the field element as an integer.
	The XML Schema type CharTwoFieldElemType is used for encoding		The XML Schema type CharTwoFieldElemType is used for encoding
	characteristic two field elements. It Contains a single attribute named		characteristic two field elements. It Contains a single attribute named
	Value, whose value represents the field element as an octet string. The		Value, whose value represents the field element as an octet string. The
	skipping to change at page 11, line 4 ¶		skipping to change at page 10, line 48 ¶
	<xs:complexType name="FieldElemType" abstract="true"/>		<xs:complexType name="FieldElemType" abstract="true"/>
	<xs:complexType name="PrimeFieldElemType">		<xs:complexType name="PrimeFieldElemType">
	<xs:complexContent>		<xs:complexContent>
	<xs:extension base="ecdsa:FieldElemType">		<xs:extension base="ecdsa:FieldElemType">
	<xs:attribute name="Value" type="xs:nonNegativeInteger"		<xs:attribute name="Value" type="xs:nonNegativeInteger"
	use="required"/>		use="required"/>
	</xs:extension>		</xs:extension>
	</xs:complexContent>		</xs:complexContent>
	</xs:complexType>		</xs:complexType>
			<xs:complexType name="OddCharExtensionFieldElemType">
			<xs:complexContent>
			<xs:extension base="ecdsa:FieldElemType">
			<xs:attribute name="Value" type="xs:nonNegativeInteger"
			use="required"/>
			</xs:extension>
			</xs:complexContent>
			</xs:complexType>
	<xs:complexType name="CharTwoFieldElemType">		<xs:complexType name="CharTwoFieldElemType">
	<xs:complexContent>		<xs:complexContent>
	<xs:extension base="ecdsa:FieldElemType">		<xs:extension base="ecdsa:FieldElemType">
	<xs:attribute name="Value" type="xs:hexBinary"		<xs:attribute name="Value" type="xs:hexBinary"
	use="required"/>		use="required"/>
	</xs:extension>		</xs:extension>
	</xs:complexContent>		</xs:complexContent>
	</xs:complexType>		</xs:complexType>
	4. Security Considerations		4. Security Considerations
	skipping to change at page 13, line 27 ¶		skipping to change at page 13, line 27 ¶
	96 Spadina Ave, Unit 606		96 Spadina Ave, Unit 606
	Toronto, ON, M5V 2J6, Canada		Toronto, ON, M5V 2J6, Canada
	e-mail: sblakewilson@bcisse.com		e-mail: sblakewilson@bcisse.com
	Gregor Karlinger		Gregor Karlinger
	Chief Information Office Austria		Chief Information Office Austria
	Parkring 10/I/5		Parkring 10/I/5
	1010 Wien, Austria		1010 Wien, Austria
	e-mail: gregor.karlinger@cio.gv.at		e-mail: gregor.karlinger@cio.gv.at
			Tetsutaro Kobayashi
			NTT Laboratories
			1-1 Hikarinooka, Yokosuka, 239-0847, Japan
			Phone: +81-468-59-3712
			FAX: +81-468-59-3365
			email: kotetsu@isl.ntt.co.jp
	Yongge Wang		Yongge Wang
	University of North Carolina at Charlotte		University of North Carolina at Charlotte
	9201 University City Blvd		9201 University City Blvd
	Charlotte, NC 28223, USA		Charlotte, NC 28223, USA
	e-mail: ywang@uncc.edu		e-mail: yonwang@uncc.edu
	8. Acknowledgements		8. Acknowledgements
	The authors would like to acknowledge the many helpful comments of		The authors would like to acknowledge the many helpful comments of
	Wolfgang Bauer, Donald Eastlake, Tom Gindin, Chris Hawk, Joseph M.		Wolfgang Bauer, Donald Eastlake, Tom Gindin, Chris Hawk, Joseph M.
	Reagle Jr., and Francois Rousseau.		Reagle Jr., and Francois Rousseau.
	9. Full Copyright Statement		9. Full Copyright Statement
	Copyright (C) The Internet Society (1999). All Rights Reserved.		Copyright (C) The Internet Society (1999). All Rights Reserved.
	skipping to change at page 15, line 28 ¶		skipping to change at page 15, line 28 ¶
	<xs:complexType name="PrimeFieldParamsType">		<xs:complexType name="PrimeFieldParamsType">
	<xs:complexContent>		<xs:complexContent>
	<xs:extension base="ecdsa:FieldParamsType">		<xs:extension base="ecdsa:FieldParamsType">
	<xs:sequence>		<xs:sequence>
	<xs:element name="P" type="xs:positiveInteger"/>		<xs:element name="P" type="xs:positiveInteger"/>
	</xs:sequence>		</xs:sequence>
	</xs:extension>		</xs:extension>
	</xs:complexContent>		</xs:complexContent>
	</xs:complexType>		</xs:complexType>
			<xs:complexType name="OddCharExtensionFieldParamsType">
			<xs:complexContent>
			<xs:extension base="ecdsa:FieldParamsType">
			<xs:sequence>
			<xs:element name="M" type="xs:positiveInteger"/>
			<xs:element name="W" type="xs:positiveInteger"/>
			</xs:sequence>
			</xs:extension>
			</xs:complexContent>
			</xs:complexType>
	<xs:complexType name="CharTwoFieldParamsType" abstract="true">		<xs:complexType name="CharTwoFieldParamsType" abstract="true">
	<xs:complexContent>		<xs:complexContent>
	<xs:extension base="ecdsa:FieldParamsType">		<xs:extension base="ecdsa:FieldParamsType">
	<xs:sequence>		<xs:sequence>
	<xs:element name="M" type="xs:positiveInteger"/>		<xs:element name="M" type="xs:positiveInteger"/>
	</xs:sequence>		</xs:sequence>
	</xs:extension>		</xs:extension>
	</xs:complexContent>		</xs:complexContent>
	</xs:complexType>		</xs:complexType>
	<xs:complexType name="TnBFieldParamsType">		<xs:complexType name="TnBFieldParamsType">
	skipping to change at page 17, line 15 ¶		skipping to change at page 17, line 15 ¶
	<xs:complexType name="FieldElemType" abstract="true"/>		<xs:complexType name="FieldElemType" abstract="true"/>
	<xs:complexType name="PrimeFieldElemType">		<xs:complexType name="PrimeFieldElemType">
	<xs:complexContent>		<xs:complexContent>
	<xs:extension base="ecdsa:FieldElemType">		<xs:extension base="ecdsa:FieldElemType">
	<xs:attribute name="Value" type="xs:nonNegativeInteger"		<xs:attribute name="Value" type="xs:nonNegativeInteger"
	use="required"/>		use="required"/>
	</xs:extension>		</xs:extension>
	</xs:complexContent>		</xs:complexContent>
	</xs:complexType>		</xs:complexType>
			<xs:complexType name="OddCharExtensionFieldElemType">
			<xs:complexContent>
			<xs:extension base="ecdsa:FieldElemType">
			<xs:attribute name="Value" type="xs:nonNegativeInteger"
			use="required"/>
			</xs:extension>
			</xs:complexContent>
			</xs:complexType>
	<xs:complexType name="CharTwoFieldElemType">		<xs:complexType name="CharTwoFieldElemType">
	<xs:complexContent>		<xs:complexContent>
	<xs:extension base="ecdsa:FieldElemType">		<xs:extension base="ecdsa:FieldElemType">
	<xs:attribute name="Value" type="xs:hexBinary"		<xs:attribute name="Value" type="xs:hexBinary"
	use="required"/>		use="required"/>
	</xs:extension>		</xs:extension>
	</xs:complexContent>		</xs:complexContent>
	</xs:complexType>		</xs:complexType>
	</xs:schema>		</xs:schema>
	skipping to change at page 17, line 40 ¶		skipping to change at page 17, line 48 ¶
	<!ATTLIST X Value CDATA #REQUIRED>		<!ATTLIST X Value CDATA #REQUIRED>
	<!ELEMENT Y EMPTY>		<!ELEMENT Y EMPTY>
	<!ATTLIST Y Value CDATA #REQUIRED>		<!ATTLIST Y Value CDATA #REQUIRED>
	<!ELEMENT DomainParameters (ExplicitParams | NamedCurve)>		<!ELEMENT DomainParameters (ExplicitParams | NamedCurve)>
	<!ELEMENT NamedCurve EMPTY>		<!ELEMENT NamedCurve EMPTY>
	<!ATTLIST NamedCurve URN CDATA #REQUIRED>		<!ATTLIST NamedCurve URN CDATA #REQUIRED>
	<!ELEMENT ExplicitParams (FieldParams, CurveParams, BasePointParams)>		<!ELEMENT ExplicitParams (FieldParams, CurveParams, BasePointParams)>
	<!ELEMENT FieldParams (P | (M, K) | (M, K1, K2, K3))>		<!ELEMENT FieldParams (P | (M, K) | (M, K1, K2, K3))>
	<!ELEMENT P (#PCDATA)>		<!ELEMENT P (#PCDATA)>
	<!ELEMENT M (#PCDATA)>		<!ELEMENT M (#PCDATA)>
			<!ELEMENT W (#PCDATA)>
	<!ELEMENT K (#PCDATA)>		<!ELEMENT K (#PCDATA)>
	<!ELEMENT K1 (#PCDATA)>		<!ELEMENT K1 (#PCDATA)>
	<!ELEMENT K2 (#PCDATA)>		<!ELEMENT K2 (#PCDATA)>
	<!ELEMENT K3 (#PCDATA)>		<!ELEMENT K3 (#PCDATA)>
	<!ELEMENT CurveParams (A, B, Seed?)>		<!ELEMENT CurveParams (A, B, Seed?)>
	<!ELEMENT A EMPTY>		<!ELEMENT A EMPTY>
	<!ATTLIST A Value CDATA #REQUIRED>		<!ATTLIST A Value CDATA #REQUIRED>
	<!ELEMENT B EMPTY>		<!ELEMENT B EMPTY>
	<!ATTLIST B Value CDATA #REQUIRED>		<!ATTLIST B Value CDATA #REQUIRED>
	<!ELEMENT Seed (#PCDATA)>		<!ELEMENT Seed (#PCDATA)>
End of changes. 13 change blocks.
	8 lines changed or deleted		62 lines changed or added
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