Digital Signature - Username Cache
Hi,
We are using SAP MII 12.1.8 SP 05 (build 36).
The problem is: When a user doing a Digital signature (logon required check box not checked), the user id is defaulted with the previous user id.
Steps to reproduce the problem:
1. User1 Logs in the home page.
2. User1 carries out required actions including the digital signature while posting the data back to DB/SAP.
3. User1 logs out.
4. User2 logs in.
5. User2 carries out the required actions, but in the digital signature the USER1 username appears.(When USER1 Password provided, it worked.) The USER2 username should have come in the Digital Signature Username.
I have checked with JRE1.6.0_24 with IE8, JRE 1.6.0_23 with IE7, JRE1.6.0_16 with IE6. All three combinations are producing this problem.
Clearing the browser cache does not solve this problem. Closing the page and opening the page in the new window does not solve the problem.
When I checked in the page it gives the current logged in User.
When I clear the java cache and refresh the page it works fine. But the iCommand Digital signature states that, it always default to the User Id who is currently logged in. But it is not doing this. Is any one facing this problem?
It looks like some problem with MII. From where, the iCommand gets the USERNAME?
Do I have login in an OSS message for this?
The only work around available as of now check the logon required box, so that the user, can enter his name and password. But the users / business does not want to do that.
Thanks and Regards,
Kishore Kumar P S
Hi,
Additional Info: I have checked with USER3. It is still showing the USER1 in the Digital Signature.
Thanks and Regards,
Kishore Kumar P S
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Were you able to resolve the issue as I am facing same issue.
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Edited by: user1105482 on 26-Apr-2011 04:38 -
Basic Doubts in Digital Signatures ES
1) Revocation Checking : i read that the certifications will be checked(to see whether it has been cancelled) by checking the CRLs list. Where can i find this list?
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Please help me in understanding Digital Signatures ES.Revocation Checking : i read that the certifications will be checked(to see whether it has been cancelled) by checking the CRLs list. Where can i find this list?
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Jre hangs/freeze at digital signature dialog (oracle.forms.engine.Main)
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I [read this paper|http://forms.pjc.bean.over-blog.com/ext/http://www.oracle.com/technology/products/forms/pdf/SigningJint13.pdf] before, years ago the first time. It's from *2002* and refers to JInitiator. And I read this paper again. But I stopped around page 13, reading
+"PROBLEMS WITH MULTIPLE SIGNING IDENTITIES+
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+started within JInitiator or the Sun Java Plug-in, which uses code signed with+
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Not one of my best ideas. Notice, Sun Plug-in is mentioned and +8 years+ might not be enough, obviously.
Reason behind the "re-appearance" of the problem with forms 11g is that the forms jars (including webutil) are now signed with an VeriSign certificate what was not the case with 10g. Downloading jacob.jar by your own, you get an unsigned jar file. Signing this, as you were used in 10g leads to the second signing identity and the freezing problem.
But let's see how we could solve the problem, for the moment, perhaps for the next 8 years. We
. took solution path 2 out of the aove cited paper (Register Your Custom Signing Certificate Separately).
. rename jacob.jar to jy_jacob.jar (we do not want to interfere with other forms application of other companies also using webutil)
. add the registration applet code as described in the paper to jy_jacob.jar
. sign jy_jacob.jar.
. [to be on the save side we repeated these steps for all our jar files, necessary for the application]
. rename webutiljpi.htm to webutiljpijy.htm
. modify webutiljpijy.htm by adding applet registration section before webutil registration. This reads like
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<OBJECT classid="%jpi_classid%"
codebase="%jpi_codebase%"
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HEIGHT="0"
HSPACE="0"
VSPACE="0">
<PARAM NAME="TYPE" VALUE="%jpi_mimetype%">
<PARAM NAME="CODEBASE" VALUE="%codebase%">
<PARAM NAME="CODE" VALUE="com.joynit.forms.applet.RegisterCertificateApplet">
<PARAM NAME="ARCHIVE" VALUE="%archive%,%webUtilArchive%" >
<COMMENT>
<EMBED SRC="" PLUGINSPAGE="%jpi_download_page%"
TYPE="%jpi_mimetype%"
java_codebase="%codebase%"
java_code="com.joynit.forms.applet.RegisterCertificateApplet"
java_archive="%archive%,%webUtilArchive%"
WIDTH="1"
HEIGHT="1"
HSPACE="0"
VSPACE="0"
>
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</OBJECT>
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. modify formsweb.cfg so that webutiljpijy.htm and jy_jacob.jar are used (original settings as comments below)
baseHTMLjpi=webutiljpijy.htm
#baseHTMLjpi=webutiljpi.htm
archive=frmall.jar,iText-5.0.3.jar,vzg_grafik.jar,vzg_images.jar,vzg_netz.jar,jy_pdfutil.jar
#archive=frmall.jar
WebUtilArchive=frmwebutil.jar,jy_jacob.jar
#WebUtilArchive=frmwebutil.jar,jacob.jar
And then, after flushing the jar cache, success! No freezing. It was possible to confirm the certifcates and to start the application.
Thnx to Mia Urman and the oracle forms communitiy on [http://oracleformsinfo.wordpress.com/] , who gave me the tip... There is another, easier solution.
Never set one of the original oracle jar-Files on pole position (1st position) in one auf the archive parameters. This leads to hanging.
Put one of your self-signed jar-Files in front and let the oracle jars follow. The forms application will start properly.
It work with 3 different signing authorities, also. What makes hope for 4, and so on.
Edited by: KRodler on 15.03.2012 11:07 -
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1st question:
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you said you have your digital signature in
BMP format? That means Bitmap and would mean you are actually talking about a picture! THIS IS NOT A DIGITAL SIGNATURE!
A digital signature is a cryptographic key (aka public key cryptography) that is used to digitally sign a document, or at least a hash value derived from the document. Digitally signing means, applying the key in a well defined way (this is the algorithm used) to the document or hash value. You do this with your private key and the receiver of the document can then use your public key (which you can distribute in any way you want, even unsecure) to unencrypt the hash value. If this succeeds the receiver knows that the document was signed by you.
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The named formats (afs, pfx and p12) are ways of coding the key, together with information about your person, such as email address and information about validity of the key into a
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Signing a form with such a certificate provides for mathematically and therefore business related proove of a users identity.
In case you are really using a bitmap, this cannot work and would not serve you any good.
Ask yourself this question: I want to make sure that the form was signed by a specific person. How can I make sure that the signing can only be done by the person pretending to have done so?
A bitmap contains a picture, probably of the persons handwritten signature. How can I make sure that this picture was NOT recreated in MS Paint or Photoshop by someone else?
The answer is:
you can't! Therefore this way of prooving identity is useless.
You need to provide your users with digital signatures, put these in the certificate cache of your IE. If a user then clicks on the signing field, the private key is used to digitally sign the form - create a hash value of the form and encrypt it with the private key. After the form is send back to the server or you, you use the corresponding public key to decrypt the hash value and, as said above, if this succeeds, identity of the signer is proven.
THIS IS AN OVERSIMPLIFICATION! You might want to take a look at Adobe Reader Credentials.
Regards,
Christian -
Digital signature in ECC 6.0 urgent
Dear support,
We are trying to implement digital signature for document change and we are using method 'System signature with Authorization by SAP User-ID/Password
which doesnt need third party interaction. But username is not getting excepted while generating Digital signature , we have done all settings as per note 910238.
Can anyone suggess something.
Best Regards,
AjitRplease stop using URGENT is your topic title.
an urgent matter is when your system is DOWN, not when trying to implement new functionnality. -
Dear Experts,
Am trying to invoke digital signature process using SSF with SAP username/password. When i give by SAP password and do a signing i get the following error message:
Ssf_GetOwnCertificate: SsfOpenProfile failed with rc=23
I also have a external security product. but initially i would like to test this feature with SAP username/password and then move on to the external security product for this process.
Can someone help me out on this.
Regards,
KarthikHi,
I checked with SSF01 and found that am able to apply the digital signature in this for testing. Also using a third party product without verification is also working fine.The problem i face is with SAP username/password and also with Third party product with verification.
Can you think of something that might have gone wrong.
Regards,
Karthik -
The application's digital signature cannot be verified.
Hello all,
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I create the one jar file on JDeveloper 10.1.3.
When i run my application on Windows Xp, Windows server 2003 given prompt open after that my browser and form stuck. I am not able run my form.
The application's digital signature cannot be verified.
Some Operating system can easily run the application like Windows server 2008.
Please guide me what is main problem.
in linux system i got this message on jre console..
Java Plug-in 1.6.0_34
Using JRE version 1.6.0_34-b04 Java HotSpot(TM) Server VM
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m: print memory usage
o: trigger logging
q: hide console
r: reload policy configuration
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t: dump thread list
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x: clear classloader cache
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Native HTTP implementation is being used for the connection.
The connection mode is HTTP.
Forms Applet version is 11.1.1.3
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at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Unknown Source)
at oracle.forms.handler.UICommon.instantiate(Unknown Source)
at oracle.forms.handler.UICommon.onCreate(Unknown Source)
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Forms Applet version is 11.1.1.3
Forms Session ID is formsapp.189
The proxy host is null, and the proxy port is 0.
Native HTTP implementation is being used for the connection.
The connection mode is HTTP.
Forms Applet version is 11.1.1.3
Forms Session ID is formsapp.139
The proxy host is null, and the proxy port is 0.
Native HTTP implementation is being used for the connection.
The connection mode is HTTP.
Forms Applet version is 11.1.1.3
FRM-92091: unexpected fatal error in client-side Java code
Java Exception:
java.lang.NullPointerException
at demo3.demo3.getMacAddress(demo3.java:70)
at demo3.demo3.getProperty(demo3.java:43)
at oracle.forms.handler.UICommon.onGet(Unknown Source)
at oracle.forms.engine.Runform.onGetHandler(Unknown Source)
at oracle.forms.engine.Runform.processMessage(Unknown Source)
at oracle.forms.engine.Runform.processSet(Unknown Source)
at oracle.forms.engine.Runform.onMessageReal(Unknown Source)
at oracle.forms.engine.Runform.onMessage(Unknown Source)
at oracle.forms.engine.Runform.processEventEnd(Unknown Source)
at oracle.ewt.lwAWT.LWComponent.redispatchEvent(Unknown Source)
at oracle.ewt.lwAWT.LWComponent.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$400(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.awt.EventQueue$2.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
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