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0
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1answer
731 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 ...
4
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
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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?
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1answer
1k 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
6k 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 ...
3
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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
votes
1answer
161 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 ...
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3answers
1k 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 ...
0
votes
1answer
931 views

Windows cannot verify the digital signature for the drivers

I have been using 3G USB stick on my laptop which has Win7 64 bit installed. It worked fine for last 1 year and suddenly one morning when I tries to connect USB it said Please connect device. I ...
1
vote
1answer
246 views

Not having to type the passphrase in debsign

I'm building a debian package ( .deb ) with a continuous integration server ( Hudson ). It's work fine for building unsigned package. But i want my hudson-user to be able to sign the package ...
2
votes
1answer
292 views

Windows certificate valid even after expired

I have a signed executable. The certificate for that signature says it is usable until 2007, still Windows (7 Professional) says it is valid if I'm opening it via properties dialog. How is that ...
2
votes
1answer
133 views

What source document format can be exported to PDF and generate digital signature fields?

My team wants to send out to 3rd parties a contract in PDF format, with digital signature fields that could be signed using Adobe Reader. Every time we add a new 3rd party to the contract, we are ...
1
vote
1answer
2k views

How does gpg handle multiple keys in a keypair?

As I understand it, keypairs used with gpg generally have more than one associated key: one for signing and one for encryption. How are these multiple keys managed when using gpg (to push to a ...
5
votes
2answers
14k views

How to install unsigned drivers on Windows 7?

I'm trying to install FreeOTFE on 64bit Windows 7. FreeOTFE comes with many drivers for various encryption algorithms, that need to be installed. Windows gives me the error, that since those aren't ...
1
vote
1answer
138 views

Viewing hd location of installed certificates in firefox

I recently installed a digital id/certificate from verisign and was wondering if there is a way to view the certificate location on my computer. I installed it according to their instructions through ...
4
votes
1answer
1k views

How do I digitally sign a 64-bit kernel mode driver?

I have a kernel mode driver and I have to install it on 64 bit win 7. It needs to be digitally signed. I digitally signed it using the dseo13b.exe. But when I load the driver I get error in the system ...
3
votes
1answer
119 views

Can signature verification expose a rootkit?

I know that rootkits operate as part of the kernel, driver or service running on the system, injecting themself into DLLs or installing as a legitimate applications. If I were to scan the system with ...
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votes
3answers
3k views

Is it possible to sign a file using an ssh key?

I use SSH (OpenSSH 5.5p1 on Linux, to be precise). I have a key, on which i have a passphrase. I use this for the usual logging in to computers stuff. Can i also use it to sign files? As i ...
1
vote
1answer
297 views

Multiple Enigmail User IDs for multiple accounts in Thunderbird?

I have multiple email accounts set up in Thunderbird 3.1.10 in Mac OS X 10.6.7, and have just installed latest GnuPG and Enigmail. The Enigmail setup wizard helped me set up a Key for signing emails, ...
1
vote
0answers
449 views

Outlook sends mail twice in a row

I have a problem with Outlook 2010. When I try to send a mail with digital signature, Outlook sends the mail twice in a row. Both mails look identical and both have the smime.p7s attachment. When I ...
5
votes
2answers
2k views

How can I digitally sign a PDF document quickly and cheaply?

I need to digital sign a PDF document. However, Acrobat reader does not let me sign documents. I just need to sign the document, not edit it. Do I need to buy the full Acrobat software? Or is there ...
1
vote
1answer
779 views

Why would Process Explorer be unable to verify signature of PortableApps.exe?

i'm running a program called PortableApps, which includes an executable called PortableAppsPlatform.exe. The Portable Apps executable is digitally signed: And the digital certificate is valid and ...
0
votes
1answer
1k views

Qualified S/MIME signature with Thunderbird

Is it possible to send S/MIME digitally signed email with Mozilla Thunderbird using qualified digital signing smart card? How?
0
votes
1answer
316 views

How can I unzip a file which is compressed and encrypted with pkzip?

How can I unzip a file which is compressed with pkzip file format (pkware)? Does anyone know about pkware file compression and decryption? I have a file which is zipped with pkware, but I can't open ...
5
votes
5answers
4k views

GnuPG Command Line - Verifying KeePass Signature

I'm trying to verify the PGP Signature of the latest version of KeePass 2.14's setup file against this signature, but this is the output I receive: C:\Program Files (x86)\GNU\GnuPG>gpg.exe ...
0
votes
1answer
430 views

Are there only four Digital ID providers for Office 2007/2010?

Is there nobody else other than the four listed at http://office.microsoft.com/en-us/marketplace/CE001095531.aspx ? I am not looking for a buying recommendation, just alternatives.
0
votes
1answer
21k views

How can I electronically sign an MS Word Document on the Mac?

I'd like to electronically sign an MS Word document so I can send it over to someone without having to print it and manually sign it. I have no idea where to begin with this, though. How do you go ...
2
votes
1answer
315 views

Does a certificate authority (CA) have to be online constantly?

Does a CA has to be online all the time in order for the whole system to work? For example, if I go to a secure webpage that uses a certificate signed by a CA, I receive a public key along with the ...
0
votes
1answer
297 views

Email in Digital Signature

How do you add an email to your digital signature details? Digital signature details are found when a file is signed for instance by VeriSign. You then right-click on the file and choose "Digital ...
2
votes
1answer
213 views

Hardware digital signature

Is it possible to show how generate a digital signature, a checksum, or something along those lines based on your computer hardware using an Ubuntu Live CD? So, once the first digital signature is ...
1
vote
2answers
2k views

Is there a guide to setting up Mozilla Thunderbird to use my GPG keys to sign and/or encrypt email messages on Windows?

I see instructions on websites and questions here about using GPG keys with Thunderbird in Linux, but nothing on Windows. I have GPG, Kleopatra, and Thunderbird 3 installed on Windows, I made my GPG ...
2
votes
1answer
3k views

Relation between .p7b and .spc digital certificate files

My company have just renewed their digital certificate from Thawte. The previous certificate I was using had an 'spc' extension. The new certificate I've been handed ends in a 'p7b'. Although I can ...
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votes
4answers
2k views

Is there a free PDF printer / distiller that creates signable documents?

I've used various methods (mentioned elsewhere on this site) to create PDFs, using a printer driver or converting from PostScript, etc. The common problem is that if I open any of the output files in ...
5
votes
2answers
4k views

Trusted email: Digital signature with Gmail (IE)

There are places in the internet, where you can get a free digital signature for email. How can I use it with Gmail and Internet Explorer?