Create digital signature

How can create digital signature using Adobe Reader?

You need to have a read extended version of the PDF file comprising of the existing signature field to create free signature using Adobe Reader. Please see the attached sample file.
~Deepak

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How can I create digital signatures for my users using Windows 2008 Active Directory Certificate Services?

Hi,
I need to create local digital signatures for my users. How can I do that using W2k8 Active Directory Certificate Services? We are gonna sign Office 2010 documents.
What company offers cheap digital signatures solutions?
Thanks in advanced

Consider the following:
if you use your local CA server to issue digital signature certificates, there is no cost, because you are eligible to issue so many certificates as you need. However, documents signed by these certificates will be considered trusted only within your AD
forest and other machines that explicitly trust your local CA. Any external client will not trust your signatures.
If you want to make your signature trusted outside your network (say, in worldwide), you need to pruchase a certificate from trusted commercial CA (VeriSign, GoDaddy, GlobalSign, StartCom, etc) according to respective vendor price list. In that case you
don't need to have your local CA server, because it is not used. All certificate management is performed by the external CA. A most common scenario is to purchase signing certificate for particular departament principals (head managers) or few certificates
for a whole company (all documents are revised by a responsible person or persons who holds signing certificate and sign them after review).
so, it is not clear from your post what exactly you need.
My weblog: http://en-us.sysadmins.lv
PowerShell PKI Module: http://pspki.codeplex.com
Windows PKI reference:
on TechNet wiki

Creating Digital signature blocks w/ Acrobat 10.1.2 and using reader to sign...

I'm using Adobe Acrobat 10.1.2 to add digtal signatures to pdf's but when I save them as a reader extended version so people that only have access to Reader can sign them, Reader won't allow them to sign. How do I fix this problem?

It's important to remember when you are extending a PDF document for digital signatures workflow that you create all of the signature fields need in the document prior to extending the document. Adobe Reader does not allow for signature field creation when signing.

Can I create digital signatures for other people?

I am trying to determine if there are rules/software limitations that prohibit me from creating a digital signature for other people on my PC. As an example, I support a Vice President-can I create his digital signature and store it to use on his behalf? I would also have my own signature created and stored. Thanks.

Consider the following:
if you use your local CA server to issue digital signature certificates, there is no cost, because you are eligible to issue so many certificates as you need. However, documents signed by these certificates will be considered trusted only within your AD
forest and other machines that explicitly trust your local CA. Any external client will not trust your signatures.
If you want to make your signature trusted outside your network (say, in worldwide), you need to pruchase a certificate from trusted commercial CA (VeriSign, GoDaddy, GlobalSign, StartCom, etc) according to respective vendor price list. In that case you
don't need to have your local CA server, because it is not used. All certificate management is performed by the external CA. A most common scenario is to purchase signing certificate for particular departament principals (head managers) or few certificates
for a whole company (all documents are revised by a responsible person or persons who holds signing certificate and sign them after review).
so, it is not clear from your post what exactly you need.
My weblog: http://en-us.sysadmins.lv
PowerShell PKI Module: http://pspki.codeplex.com
Windows PKI reference:
on TechNet wiki

Creating a Digital signature

Hi Experts,
I have followed the [SAP Help|http://help.sap.com/saphelp_nw04/helpdata/en/a4/d0201854fb6a4cb9545892b49d4851/content.htm] for creating Digital Signature. In this, they have given the code to sign based on Keystore. There is no option to get the Private Key and mentioning any algorithm for signing. Please help me in this regard.
Thanks in Advance,
Regards,
Venkatesh. K

Hi venkatesh
kindly follow this step by step blog for creating digital signature
/people/varadharajan.krishnasamy/blog/2007/05/11/how-to-use-digital-certificates-for-signing-encrypting-messages-in-xi
also folow this search tag
https://www.sdn.sap.com/irj/sdn/advancedsearch?cat=sdn_weblog&query=creatingaDigitalsignature+&adv=false&sortby=cm_rnd_rankvalue
Thanks
sandeep
Ps: if helpful kindly reward points

How to create table and digital signature ?

Hello,
I would like to ask two questions regarding SAP interactive forms by adobe.
1st question:
How to create table in interactive form?
Table that i can add rows and column and will show it in the form.
Example the rows and columns that i want:
ID: Name: DOB:
1 Jack 01/02/80
2 Ivy 10/12/82
2nd question:
How to create digital signature ?
I'm creating a adobe forms which need employee to sign on the form. I use signature field at my form. However, i don't know how to create a new signature and insert in the signature field.
Can any one provide the answer with step by step guide?
Thanks a lot

Hi Pradeepa,
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.
This is because both keys are mathematically related in such a way, that what one key encrypted can only be decrypted by the corresponding other key and by no other key. You even can´t decrypt a document with the same key it was encrypted with, this is the difference to symmetric encryption - please have a look at help.sap.com and search for digital signatures.
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
certificate. This type of certificate is then called a x.509 certificate and is the same you might have seen when connecting to a secure webserver such as the one of your bank website.
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

Multiple Digital Signatures on single profile.

Hello,
I have a question. Can I create multiple digital signatures on a single system.
If Yes, I can create digital signature of any "Signature required person" and I can sign for him, If I have his email id and Organization name, correct?
It means we can easily sign for any other person in the world. If so, how does this system mean to be safe ?
Thanks

Please repost this issue in Acrobat forum.This is reader forum.

Convert Digital Signature in Word to PDF

Dear Expert,
I create digital signature in Word 2010, can I convert Word file to PDF file. and Using Adobe PDF reader to sign the digital signature.
Can we do it?
Thank you

Hi,
can I convert Word file to PDF file
You can use the Save As option to convert Word file to PDF file.
Using Adobe PDF reader to sign the digital signature
It should be possible, but I suggest you refer to Adobe support to get more professional support on this matter.
http://helpx.adobe.com/contact.html
Please Note: Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
Best Regards,
Amy
Please remember to mark the replies as answers if they help and un-mark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

Digital Signature on PO

Dear All,
Can you pls throw some light on how to create DIGITAL SIGNATURE on the Purchase Orders so that it can be sent to vendor immdtly via mail.
Regards
Rang

Hi Ranganath ,
If you wish to use your own texts/mono/signatures when outputting a purchase order, proceed as follows:
1. In the step Adjust Form (Layout Set) for Purchasing Documents, check to see at which points you can store your own texts in the standard form MEDRUCK.
2. Enter the texts in accordance with your requirements using the SAPScript editor. To do so, choose SAPscript Standard Texts.
Assign unique names to your texts (e.g. names containing the key for the purchasing organization).
3. Choose the desired text type (e.g. texts for document item) under Document Printout: Purchase Order.
4. Create a new entry and enter the following data for it:
Print operation (e.g. new printout or printout of changes (change notice))
Purchasing document type and item category
Text object, text ID and the text name
Print sequence in which the text is to be outputted
In the standard system, the purchasing form is called "MEDRUCK". MEDRUCK is a multi-purpose form controlling the output of RFQs, POs, outline agreements, delivery schedules, reminders/urging letters, rejection letters, change notices, and order acknowledgment expediters.
Changing the Purchasing Form
Prerequisites
Before you make any changes to the standard form, you should consider the following.
Change Existing Form or Create New One?
You can either change the standard form or create a new form by copying the standard one.
When you change the standard purchasing form, you must first create a correction number, because changing the standard form represents a customer modification. Thereafter, the system maintains both your changed version and the SAP version of the form.
If you create a new form, you must assign it to the appropriate message type (PO, rejection letter, etc.) before the system can use it for printing.
Its recommend that you always create your own form. This makes it easier to distinguish between your customized form and the standard form provided by SAP.
regards
kp

Question about digital signature

How I can create digital signature for document by some OAS tool in Java servlet? If yes, then how?
Thanks
Excuse me my English.
Maxim

you add a signature field to your form --> then watch the properties
you can define collections of fields to tell the document which fields should be regarded/disabled by signing the document
ads can check signatures (digital signatures) serverside (methods for the pdf object)
with signature pads its special, you need hardware (pads) and software (plugins for the reader) and so on...
for signatures in general:
http://help.sap.com/saphelp_nw2004s/helpdata/en/18/ecb69017ad4765855425b97f666470/frameset.htm

One Digital signature signs multiple blocks

Good afternoon,
I tried running this script
if ( this.getField("MainCheckbox").value=="Choice3" && this.getField("SupervisorSignature").value!="" {
this.getField("SupervisorSignature1").value = this.getField("SupervisorSignature").value
} else this.getField("SupervisorSignature1").value = "";
Basically, what I am trying to do is minimize the workload on the PDF user. The information on all the pages is the same; however, he needs to sign each block. I am trying to have it where the signatures essentially are linked. Once the user reads the agreement, multiple signature blocks are signed.
The script above gives me a syntax error.
Any ideas?

Maybe I must give you an answer, which is not liked:
The purpose of a digital signature is to check, whether the PDF or a defined block of the PDF form (since A6 / AR6 for PDF, since A 8.1.2 / AR 8.1.2 for XFA PDF) has being changed since signature creation. To copy an image of an already existing digital signature means:
YOU ARE CHANGING THE SIGNED DOCUMENT / FORM !!
Digital signatures and their images (appearance internally) are unique and cannot be copied. During creating digital signatures, the structure of the PDF is being changed and the additional dictionary "V" is being created within the SigField. SigFields are COS-Fields (PDF Fields), even if some properties are available by JS. Forget about copying from that "V" dictionary .
If a visible signature image is a "nice to have feature" then maybe you should try ink signatures, but I have no experience with those.
Best Regards

Editing date in digital signature

Hi all,
I am trying to edit a self created digital signature in Acrobat 9 Pro on Win XP, especially the apperance of the calendar date. I can only show the date but cannot edit how it should look like (i.e. first day, then month, then year)
Has anybody got any idea?
Thanks in advance
falkvonholst

Hello, Sorry I can not help you, but I see you can only show date on
your signature, that's mean that time is not displayed?
I want to eliminate the time in the signature, please see attached.
If you know how to doit please tellme.
Thanks

I forgot my digital signature password. How do I create a new one with the same email.

I can not remember my digital signature password. I've attempted to create a new one with the same email address. The message I receive is that i already have a digital signature with that email. I would like to use the same email address.

You probably mean that you forgot your digital certificate password and I presume that this is a self-signed certificate that you yourself created, not a certificate that you received from a Certificate Authority (CA). If this is true then you can create a new self-signed digital certificate (Digital ID in Acrobat-speak) the same way you created the first one: In Acrobat XI it is Edit->Preferences->Signatures->Identities&Trusted Certificates->More. Then click on "Add ID" button and follow the prompts. You can create as many self-signed certificates with the same credentials (name, email, etc.) as you wish. You'd have to figure out how to distinguish them, though.

How do I create a digital signature on a TCP or a UDP flow?

I am trying to convert samples of a voice signal, which is intercepted from the microphone, into fixed length digital signature bytes (using Hash, or) and attach these fixed length bytes to a communication session between two terminals (UDP or TCP "HTTP"). The other receving end should be able to identify the person at the sending side.
Any thoughts how I could do this?
Any help is most appreciated.
Sam

Sam,
If you have the Sound and Vibration toolkit it may make some things easier for you regarding the voice-recording aspect, but if you aren't recording and playing back the actual sounds, just using this for detection and digital signatures, you shouldn't need to worry about this.
1. For this you are going to be doing some form of Analog Input. Then you will be storing this data to a file. There are examples for both of these aspects in the NI Example Finder from within LabVIEW.
2. If you are going to be doing the FFT, there is a VI under the Mathematics Palette that performs this operation. Again you can use the same example for saving data to the file.
3. You would need to figure out what needs to be done to create a digital signature for this. There may be something in the Sound and Vibration toolkit for this, but I do not know.
4. For the UDP or TCP transfers, there are several examples for doing this and they cover how to create the connection and transfer / receive data. These too are in the NI Example Finder
5. This goes back to number 4, this would indeed be a separate program, but everything else would just be one project and one program.
6. This would depend on how the ID was created in step 3, again whether you do the algorithm on yourself or not. For comparing to the table, you would use a Search Array and some comparison functions, all depending on how you stored the data initially.
7. Graphs are all available on your Front Panel of your VIs and you would just wire up the data that you'd like and have it displayed on the graph.
There will not be an example for everything that you are wanting to do. The examples are meant to help you get started. Have you used LabVIEW before? I would recommend doing the 3 Hour LabVIEW Introduction Course to help you get started. This will cover some of the basic concepts that you will need to know in order to create your application.
Unfortunately I cannot write the code for you, only guide and direct you. LabVIEW is a programming language and does require the user to lay out and create their own program. You will not be able to just find three or four pre-built code-snippets and connect them together to get your appliction working the way you want it. You will need to develop the applications yourself.
Regards,
Jared Boothe
Staff Hardware Engineer
National Instruments

How do I create a digital signature to use when filling out applications online?

The application is asking me to add or create a digital ID to sign and encrypt documents. The certificate that comes with your digital ID is sent to others so that they can verify your signature.
I have four options: Browse for an existing digital ID file
Configure a roaming ID for use on this computer
Create a self-signed digital ID for use with Acrobat
Look for newly inserted hardware tokens

Formscentral does not support forms with digital signature workflows. I suggest you see if our Echosign product meets your needs.

Create digital signature

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