Stefan created WSS-399:
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Summary: WSS4J: cannot set DigestMethod for KEYTRANSPORT_RSAOEP
though requested by W3C
Key: WSS-399
URL: https://issues.apache.org/jira/browse/WSS-399
Project: WSS4J
Issue Type: Bug
Components: WSS4J Core
Affects Versions: 1.6.7
Environment: any
Reporter: Stefan
Assignee: Colm O hEigeartaigh
As stated on http://www.w3.org/TR/xmlenc-core/#sec-RSA-OAEP (and
http://java.net/projects/metro/lists/users/archive/2008-05/message/12) there
should be the possibility to set the message digest that is listed as MANDATORY
(and shall be set in the generated output).
QUOTE:
5.4.2 RSA-OAEP
Identifier:
http://www.w3.org/2001/04/xmlenc#rsa-oaep-mgf1p (REQUIRED)
The RSAES-OAEP-ENCRYPT algorithm, as specified in RFC 2437 [PKCS1], takes three
parameters. The two user specified parameters are a MANDATORY message digest
function and an OPTIONAL encoding octet string OAEPparams. The message digest
function is indicated by the Algorithm attribute of a child ds:DigestMethod
element and the mask generation function, the third parameter, is always MGF1
with SHA1 (mgf1SHA1Identifier). Both the message digest and mask generation
functions are used in the EME-OAEP-ENCODE operation as part of
RSAES-OAEP-ENCRYPT. The encoding octet string is the base64 decoding of the
content of an optional OAEPparams child element . If no OAEPparams child is
provided, a null string is used.
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