Do audiofiles contain digital footprint which enables to trace back to the PC...
I'm using windows10 os on my pc. so i downloaded few audio files from a website which needs my email to login. My first question is - how to see if those audiofiles contains my email which i used to...
View ArticleDoes GpgOL attempt to grab public keys off a default keyserver?
I currently have a customer who noticed firewall logs pointing to a URL that was never used by them before. They blocked all traffic to and from the domain of another company that was recently hit by a...
View ArticleHow to resolve Signature Verification Results false positives?
I noticed that there are six DLLs in C:\Windows\System32 that sigverif.exe flags as not having been digitally signed - even though they have been. After digging into it a bit, it looks like the...
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DocuSign, User Certificates, and eIDAS
Based on my understanding in order to by eIDAS compliant, signer's digital certificate is included in the PAdES envelope.However when i sign a document with DocuSign and open it with Acrobat reader,...
View ArticleDigital Signature for project
i want to know for me to sign digitally software(i am not a developer just an investor)Do i need to use services like comodo or it can be done manually, for example i freelance soft like desktop app...
View ArticleCreate sample Microsoft Word document with invalid electronic signature
I'm involved in informal education of notaries public. I would like to create a sample Microsoft Word document with a valid electronic signature, made with a digital certificate. I would then like to...
View ArticleHow can I sign an MS Word macro with a digital certificate from the local...
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...
View ArticleHow do I sign a file using SSH and verify it using a certificate authority?
I would like to give a selected number of developers ability to run code on a system, and verify it using OpenSSH's -Y verify feature.# Generate the certificates, and sign the dev cert with the root...
View ArticleS/MIME signed email loses attachment
We have a small number of users who digitally sign (but don't encrypt) their email. When they send attachments, it usually works fine. However, when the recipient is using Outlook Mobile, all...
View ArticleIs 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 understand it,...
View ArticlePreventing PDF document from having a digital signature added with long term...
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...
View ArticleHow to digital sign Excel document with a P12 file
I have a few Excel documents we need to sign at my job. Also some PDF ones. I've looked everywhere and all sites shows an "easy" answer but all lead to the same: obtain a digital id from microsoft. On...
View ArticleCan multiple signed PDF files be merged into one?
It seems that the industry converged to the weird consensus where the digital signature of a file is stored in the file itself, on a crude imitation of paper documents. If I have a PDF document that...
View ArticleManaging signed commits as an organization
We are looking to introduce signing of commits into our company.Currently we are leaning towards using GPG kays, but we can consider SSH if what we want cannot be achieved with GPG.We are using a...
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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...
View ArticleHardware 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...
View ArticleWhy can't I sign a friend's GPG key, even though I can sign git commits and...
I'm trying to sign someone's GPG key, and keep getting a strange error:# for example$ gpg --sign-key cfeck@kde.org pub rsa2048/DBD2CE893E2D1C87 created: 2017-06-27 expires: never usage: SC trust:...
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How to add multiple digital signatures to an Excel spreadsheet?
I have an Excel spreadsheet that lives on a shared folder, that everybody can access. On that spreadsheet, I have a worksheet with a list of tasks that have to be completed, but not necessarily by the...
View Articleecryptfs: What would happen if we entered the wrong passphrase and continued...
Using ecryptfs, a fine file-system encryption mechanism on Linux.After the filesystem is setup with ecryptfs (ecryptfs is an overlay of the actual filesystem, like ext4. Files and directories name and...
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Windows Explorer file property does NOT show digital signature info for some...
For example, PEauth.sys on Windows 7 and 8.1. Windows Explorer file property dialog does not show Digital Signature tab for this file, but Sysinternal sigcheck.exe says it is digitally signed. Can some...
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