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Questions tagged [digital-signatures]

52 questions
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number of crl certificate(s) or pem certificate(s) present in p7s file

Q. How can we find out the number of CRL files or number of PEM files that can be generated from a P7S file? I understand ( from here ) that the data that is contained in a P7S file is nothing but the encoded(in ASN1, DER format) data of PEM…
csavvy
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powershell signed script does not run in different domain

so I managed to sign a powershell script using this nice tutorial https://www.darkoperator.com/blog/2013/3/5/powershell-basics-execution-policy-part-1.html I have one script signed and it works fine everywhere even in other domains. Today I used the…
Vitas
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Requirements for certificates to sign PDFs in Adobe Reader?

I'm trying to set up PDF digital signatures using certificates generated by openssl. I have generated a CA certificate, and used that to sign end user certificates, which I archive in PKCS#12 format. I have imported and trusted the CA certificate in…
Andrew Roos
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how to sign a binary in Linux?

I have a Linux device that needs to be able to perform a software update of some binaries that may be coming from an insecure source I'd like to find a way to sign these binaries using a public/private key such that the device uses the key to verify…
stuck
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What is signature in a packet payload?

What is a signature in a packet payload? Why are they even necessary ? Also traffic classifiers use signature to detect the type of protocol of packet like there are regular expressions for http signature and ftp signature.
David Roonie
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Using DKIM in my server for multiple domains (websites)

As I couldn't find this exact tutorial in Stack, I share my findings with al of you. I always get things solved thanks to this comunity. Thanks! Original question: I've read the tutorial posted by MountainX…
Diego
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About digital signatures. Are they really secure?

Let's suppose I want to send you an encrypted and signed message, to demonstrating authenticity and integrity, together with the natural security of asymmetric key cryptography. The procedure is, if I'm not wrong, the following one: I create a…
ABu
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