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0answers
13 views

Hang when launching digitally signed executable

We have a weird problem on 2 PCs with running a digitally signed 120 Mb executable. If user launches a digitally signed .exe - then the launching host (e.g. Explorer or cmd.exe) will enter infinite ...
2
votes
0answers
14 views

How can I sign an MS Word macro with a digital certificate from the local machine certificate store?

I am trying to find out how I can digitally sign a Microsoft Word macro using a valid 3rd party CA issued VBA code-signing certificate that is installed into the machine rather than the user ...
0
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0answers
12 views

Why does sigverif find a non-signed driver which does not exist on disk?

I noticed my windows 8.1 were suddenly in test mode and I can't find the offending driver. I tried sigverif.exe which found one file: setup.msi in folder c:\ibtwu the folder does not exist on my ...
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1answer
28 views

Why is Signature Displayed Inside White Rectangle in Adobe Document After Printing?

I am using latest Adobe Reader XI and after appying signature and printing .PDF document, I get signature displayed inside white rectangle and it covers what should be not covered. It looks as if ...
0
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0answers
7 views

Enforce encryption in Outlook 2010 for specific E-Mail addresses

There is a specific E-Mail address which I have to send data always encrypted and signed. I already configured everything, such that the E-Mails get encrypted and signed, but I often forget to turn on ...
-1
votes
1answer
20 views

Acrobat digital signature -mark as read only not working

I am using Acrobat XI Pro. I have created a simple form where the top half should be filled in then digitally signed by user 1. Then the bottom half should be filled by user 2, but user 2 should not ...
0
votes
1answer
109 views

How to sign gmail email with digital signature?

I have my personal digital signature on the special card and the according reader. How can I sign an email (sending it with gmail) with this signature? I am on the latest OSX and use Google Chrome ...
0
votes
0answers
133 views

Okular: how to sign a pdf?

How do I sign a PDF in Okular? I tried searching for about 20 mins, but I can't find any answers... I have a .png of my signature, and I basically want to insert it into the document on the dotted ...
0
votes
1answer
96 views

How to add unsigned driver without prompt?

I want to install printer on a huge amount of Windows 7 machines. Some drivers are signed by recognized publishers, other not. When there are not, and I do the manual process, I get the message ...
0
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0answers
12 views

how can i grab digital signature expiration info from binaries - recursively (windows)

how can i grab info regarding digital signature expiration, (in addition to signed/not signed and issuer) in Window O/S. I've tired with sysinternals SIGCHECK however it can't provide info regarding ...
0
votes
1answer
49 views

Can I use a “Microsoft Office” Digital ID / certificate to sign PDFs in Adobe Acrobat?

I've been needing to sign PDFs lately - fortunately everyone's been fine with me using a self-signed certificate, however I feel it's unprofessional. I'm looking for a personal certificate I can use ...
2
votes
1answer
40 views

How to merge several detached signatures from different people into one?

A group of people wants to publish a file and they all want to digitally sign the file as different recipients of the file will have different chains of trust. For simplicity, it's desired that there ...
0
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0answers
20 views

Can an application with a digital signature be forged?

We recently inherited a legacy application however the installation file seems dubious however having checked it's digital signature, validating it against the Virus Total database, it appears to be ...
4
votes
1answer
179 views

How to make computer (or user) trust signed software

I have an application, which I sign and timestamp using a code-signing certificate issued by thawte, with intermediate authority Thawte code signing CA - G2. The signature is OK (as it shows in file ...
0
votes
0answers
75 views

Using Ghostscript to digitally sign a PDF

How do I digitally sign a PDF file using Ghostscript (gs), such as by specifying a *.p12 certificate backup file? thanks
2
votes
1answer
50 views

How can an unsigned driver affect the Windows OS?

There are lot of signed drivers (signed by Microsoft) that don't affect the Windows OS. If an unsigned driver is installed in a Windows machinehow can it affect the stability of the operating system, ...
1
vote
2answers
196 views

Generate a public key certificate signed by CA with OpenSSL

I am working on a webservice that requires a signature in the sent and received messages. After sending a certificate request to the entity that will consume the webservice, they sent me (in addition ...
1
vote
0answers
42 views

Microsoft Digital Signature Expiration in Active Directory

We have a large number of users on our network that need to sign forms digitally from time to time with Microsoft digital signatures that are set up to expire each year. Some of our users however are ...
0
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0answers
109 views

Publish public key issued by general CA to PGP server

Some people in our company use PGP Desktop, but this is not mandatory. Personally I have not installed it on my work PC because that software is crappy and clunky. Now I got a general e-mail ...
1
vote
1answer
60 views

Can I sign my emails with both S/MIME and PGP/GPG?

And if it possible, is there any benefit from doing so in one order or the other? signWithSMIME(signWithPGP(message)) versus signWithPGP(signWithSMIME(message)) Also, are there any reason not to ...
0
votes
1answer
67 views

How does advanced digital signature on pdf work by concept (on receiver side)?

If someone like an Agency or something wants me to send a pdf signed with an advanced electronic signature, what does that mean for the receiver? I could now make a local keystore and use any program ...
0
votes
1answer
42 views

Signature not removed from keyserver

I noticed that an on uid of my GPG certificate is two times signed with my key. I thought that doesn't make much sense and cleaned the key (gpg --edit-key and then clean). Then i send the key to the ...
1
vote
1answer
2k views

Multiple Digital Signatures in Word 2010 Sometimes Fail

I regularly have a requirement to obtain multiple digital signatures on a Word 2010 docx file. The document is prepared by the author with Insert->Signature Line for each signatory before any of the ...
2
votes
1answer
484 views

Embed a GPG Signature in a PDF File

Is it possible to embed GPG signatures in PDF files the way it can be done with X.509 signatures? (I've been using JSignPDF to sign my invoices so far, but now the law has relaxed a bit, and it ...
1
vote
1answer
172 views

Digital ID for internal communication

We are looking for a simple solution where we can create digital ID of our staff member [3-4] only. And then we install their ID in Outlook and can use to send encrypted and digitally signed Emails. ...
4
votes
2answers
2k views

GPG - verifying signatures without creating trust chain?

Is it possible to ask gpg (or gpg4win) to just verify whether a file was signed by a particular public key file, without having to import and sign and trust that key? i.e. something like gpg ...
2
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0answers
42 views

Why do large organisations still not sign various EXEs? [closed]

We run a controlled Windows 7 environment and have several applications that are digitally signed by the publisher that run under user context fine. However, even now we still get vendors large and ...
1
vote
1answer
307 views

Digital Certificate (Signature) Verification in Software Installation

I need to know what exactly happens during digital certificate (signature) verification when a software is installed by the operating system. I understand that this is a asymmetric key process and I ...
1
vote
1answer
300 views

Merge multiple digitally signed versions of Word 2010 document

I have a document that I want to be digitally signed by multiple clients, and sent back to me. Since no client precedes another in rank, ideally I would like to send the document to all clients ...
5
votes
1answer
4k views

Windows 7 claims driver is not digitally signed, but it is

On this system the WLAN AutoConfig service will not start: In error log/system: "The WLAN AutoConfig service depends on the NativeWiFi Filter service which failed to start because of the following ...
0
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0answers
57 views

Multiple electoric signatures using Word 2003

Searching for an answer whether Office Word 2003 files can support multiple electronic signatures each resource that i came up with mentions that it can be done on Word 2007+... Here are but a few ...
2
votes
1answer
504 views

Preventing PDF document from having a digital signature added with long term signature validation?

I'm running into a new issue with PDF file sizes. It seems that Acrobat X and above now have by default enabled a preference called "Include Signature’s Revocation Status When Signing". Essentially ...
1
vote
0answers
273 views

Why does 64-bit Win7 still warn after having chosen “disable driver signature enforcement”?

I have a test driver that must run on 64-bit Windows 7. According to MSDN, there are two methods to disable OS to check driver's digital signature: Method 1. Connect the machine to a debugger, such ...
2
votes
0answers
1k views

Export Microsoft Word document for Adobe Acrobat signature

When I save a MS Word document (.docx) as a PDF, I am not able to sign it in Adobe Acrobat. Is there a way to export an MS Word doc to a signable PDF? Third party products are an option as well.
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3answers
5k views

Where to find the latest digitally signed Synaptics touchpad driver?

In the past, Synaptics provided their touchpad drivers in a digitally-signed self-extracting executable. For example, here is an older version of the driver hosted on the official Synaptics website, ...
2
votes
1answer
622 views

Does software for Windows 8 on Surface always have to be signed? [duplicate]

Possible Duplicate: Install a Windows 8 Modern UI app without the Windows Store We want to program for Windows 8 for Surface and have problems signing the software before installing for ...
1
vote
1answer
134 views

Is it possible for a digitally signed application to be infected by a virus?

I downloaded "java development kit" from my college computer, the computer that I used to download the software was full of virus and malware. I scanned the software with antivirus program the ...
2
votes
1answer
880 views

What are the risks to disabling driver signature enforcement in Win 8?

In order to use the communication software for Arduino in Windows 8 I'm forced to permanently disable driver signature enforcement. I did this for sometime with windows 7 without contracting a virus ...
2
votes
1answer
364 views

Does Windows actually verify digital signatures in the Properties dialog?

When downloading executables from the Internet, I always check to see if they are digitally signed before I feel safe running them. In Windows, when right-clicking a digitally-signed file and ...
0
votes
1answer
406 views

openSSL tutorial not fully working - Can sign but cannot restore original file

I'm writing, and testing, a little tutorial for my groupmates involved in an openSSL homework. We have a bunch of PDF files, I'm the CA and each one should send me a signed PDF for me to be verified. ...
0
votes
1answer
532 views

comodo pdf sign doesn't verify in adobe, using JSignPdf

I am using jSignPDF to sign PDF with a PKCS12 i purchased from COMODO INC. But when viewing the signature in Adobe Acrobat i get, "Signature Verification Failed". How can i sign a PDF and get the ...
0
votes
1answer
646 views

Digitally Signing Software - self signing cerificate

I'd like to experiment with signing a software executable. I am afraid that there is something that escapes me. I will get to the point where I will acquire a certificate from a CA, but before then I ...
3
votes
2answers
2k views

Need a solution to verifying expired digital signatures

I use digital signatures for signing my invoices (required by law for digital invoicing in my country). The problem is, my local authority issues signing certificates that are only valid for a year ...
1
vote
0answers
67 views

Adobe Pro 9 form not digatally signable in Adobe Reader x

I created a form in Adobe Pro 9 with a digital signature block. When a Adobe Reader X user tries to sign document it does nothing? How do I correct without upgrading to Adobe Pro X?
1
vote
1answer
888 views

“Error encountered while BER decoding” in Adobe Acrobat Pro X when applying timestamp

I have a tedious problem with Acrobat Pro X 10.1.3.23: when I want to apply a timestamp to a document I always get that error. I have configured VeriSign TSA server ...
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0answers
5k views

Install microsoft Java VM on Windows 7 + IE8

I cannot install Microsoft Java VM on Windows 7 and IE8. File xmldso.cab is blocked because it does not have valid digital signature to verify its distributor. Can you use something like group ...
4
votes
2answers
2k views

Is it possible to sign archives?

I played with openssl to make a pub/prv key and create a signature of a file and validated it. I toyed with Cryptophane (windows gnupg frontend) and heard about keyservers+played with signing text. I ...
2
votes
1answer
1k views

Microsoft Word and digital signatures using PGP?

I have a document for a project that I am working on with my team, and I need to digitally sign the document in a way that can be verified by other members of the team. The catch is, internally, we ...
0
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1answer
149 views

Can't check PGP signature for the Linux kernel source package

Just now I downloaded the latest Linux kernel from the official site. With it I downloaded the .sign file. I found instructions on-line for how to check the file against the PGP signature. It's the ...
0
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3answers
986 views

Digital Signed Certificate error while connecting a remote service?

I am trying to connect Softlayer's Array SSL VPN, but I am getting this error I un-installed all the recently installed program. I am using this for last 6 months and I haven't got any trouble ...