This document summarizes the changes that the XML Security Working Group has made to the XML Encryption Syntax and Processing Specification in preparing a proposed 1.1.
Updated to Version 1.1, updated date and version links. Updated editor information to add Magnus Nyström and Kelvin Yiu as editors.
Updated to reflect status of 1.1 version.
Add subsections to section 3.5 for key derivation.
Add subsections to section 5 for algorithm subsections.
Split Section 10, References, into Normative and Informative reference subsections.
EncryptedType
ElementFixed typo, "descendants"
EncryptedKey
ElementFixed typos, "inherited", "unambiguous"
DerivedKey
elementAdded new subsection describing this new
ds:KeyInfo
child.
Added key derivation as an option (step 2)
fixed typos, "appropriate", "identifier"
Added key derivation as an option (step 2)
fixed typo, "interpretation"
fixed typo, "implementers"
Added AES-128|192|256-pad key wrap mechanisms as OPTIONAL.
Changed SHA-1 to REQUIRED, but DISCOURAGED.
Changed SHA-256 to REQUIRED
Added SHA-384 as OPTIONAL
Added Canonical XML 1.1 (omit comments) as OPTIONAL
Added Canonical XML 1.1 with comments as OPTIONAL
Removed Message Authentication (not normative)
Added key derivation algorithms, ConcatKDF as REQUIRED, PBKDF2 as OPTIONAL.
Fixed typo, "refer"
New section added defining two key derivation algorithms, ConcatKDF and PBKDF2.
Updated RFC 2437 to RFC 3447. Adjusted section reference appropriately.
Added CipherValue
to CipherData
example.
Updated RFC 2437 to RFC 3447. Adjusted section references appropriately.
Added paragraph on declaration of Key derivation algorithms
using xenc11:KeyDerivationMethod
using
the xenc:AgreementMethodType
.
Updated example to
include KeyDerivationMethod
.
Moved identifier from this section to new section on legacy KDF, section 5.6.2.2.
Modified discussion to include use of KDF to produce secret key using explicit or legacy KDFs.
Clarified implementation requirements.
New section describing explicit key deriviation functions.
New section containing identifier and original material for KDF described in previous version of XML Encryption. Clarified implementation requirement.
New section defining ECDH key value URI and use.
New section defining ECDH-ES key agreement algorithm URI and use.
Revised introduction paragraph and description for clarity.
Removed Section 5.6.1 - Checksums - as it was not required after making the change to 5.6.2 and 5.6.3 (see below).
Removed detailed, step-by-step description of Triple-DES key wrap from (what used to be) 5.6.2, replaced with reference to IETF RFC 3217.
Removed detailed, step-by-step description of AES key wrap from (what used to be) 5.6.3, replaced with reference to RFC 3397.
Added text to explain reason for discouraging use of SHA-1.
Removed REQUIRED for SHA1.
Changed RECOMMENDED to REQUIRED for SHA256.
Added new section for SHA384.
Section deleted as per resolution on WG call 200900602.
Added XML Canonicalization 1.1 (both omitting and with comments)
Fixed typos, "initialization", "resistance"
Fixed typo, "exercises"
Split references section into normative and informative sections.
Added links for references
Updated SHA reference to FIPS-186-3
Updated XML Signature reference to XML Signature 1.1
Updated Glossary RFC 2828 to RFC 4949
Added Media Types RFC 3023 update to MIME-REG RFC 2048 reference
Updated UTF-8 RFC 2279 to RFC 3629
Updated URI RFC 3406 to RFC 3986
Updated X509v3 from ISO/IEC 9594-8:1997 to 9594-8:2001, added link
Updated RFC 1750 to RFC 4086
Updated RFC 2396 to RFC 3986
Updated RFC 2437 to RFC 3447
Updated Draft-Houseley-KW-PAD reference to pad-03
Updated Reference for FIPS-186-3 to reflect final publication.
Added reference to recent work on SHA-1 analysis (to be changed once paper appears on IACR.org).
Updated the following references to reflect final publication: AES-WRAP, DRAFT-HOUSLEY-KW-PAD, SHA, XML-DSIG, XMLDSIG11, Glossary, MIME-REG, and UTF-8.
Added web link for ANSI X9.52.
Removed the old XML Signature reference, retaining only reference for Signature 1.1, naming it XML-DSIG.
Added informative reference to ANSI X9.44-2007.