Questions tagged [signature]
The signature tag has no usage guidance.
26
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Why am I not able to independently verify that a developers personal key has been signed by a master key?
It says here that there are 5 Master signing keys for the Arch Linux project. It also says that active, trusted developers have their keys signed by one or more of the master keys. And we can see that ...
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206
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can't verify signature error occuring while updating my office 365
while trying to update my pc with office 365 .can't verify signature message is popping up.
i tried uninstalling and installing the software .After performing sfc scan KB63363901 .that problem was ...
8
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2
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12k
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“The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 23F3D4EA75716059”
I try to update Debian but I get the following error message:
% sudo aptitude update
Hit http://deb.debian.org/debian bullseye InRelease
Hit http://deb.debian.org/debian-security bullseye-security ...
- 235
0
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0
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153
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Renew a self-signed certificate
Let's say I have a self-signed X.509 certificate:
file some.bin
some.bin: Certificate, Version=3, Serial=00ea5db390c4cc0de3, Issuer=Some Certificate, not-valid-before=2022-08-02 06:51:44 GMT, not-...
- 4,898
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489
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Signature in Front is getting resized in Outlook
I am trying to create a signature in front. I was able to insert the image by saving it on the computer and uploading it. After messing around with the formatting it looks fine on Front. The problem ...
0
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1
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111
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How reliable is Window's verified publisher system?
I assume anyone can with some effort add their certificate under name X to their database, in that case, is there anything stopping a fake publisher from adding themselves with the name of a legit ...
- 155
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What does it mean when the publisher of an application is identified as Microsoft Corporation but then it is flagged as not verified?
I am using this utility called SysInternals which is like the task manager on steroids for the Windows operating system. I noticed that the publisher of certain applications is labelled as Microsoft ...
2
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162
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Thunderbird Signature Switch - Sync signatures between different devices
When composing a message in Thunderbird I would like to easily turn on/off and choose between signatures but also sync my signatures between different devices.
So far the Signature Switch add-on in ...
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872
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Gpg4win installer signature validation: how to fix "WARNING: This key is not certified with a trusted signature!"
I am following the install guide of "OpenPGP signatures" of Gpg4win at Check integrity of Gpg4win packages.
Having also followed additional advice of how to import the Gpg4win public key ...
- 1,967
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2k
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Openssl signed with openssl pkeyutl verified with openssl dgst
I want to sign hash with openssl pkeyutl and verify with openssl dgst -verify.
Down below are my testing private and public keys (EC keys):
private.pem:
-----BEGIN EC PARAMETERS-----
BggqhkjOPQMBBw=...
- 103
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2
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4k
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What happens if a signature of a program expires?
Can the program still be installed after the expiration date of the signature? Or does it have to be signed again?
- 4,017
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527
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Openssl DSA Signature Verification Failure Error not understood
I am given a public key in PEM format:
-----BEGIN PUBLIC KEY-----
MIIDRjCCAjkGByqGSM44BAEwggIsAoIBAQCPPVSofEh+2wGLK/1UOEbx7R5YgCp5
JVrhglBS2QZxdiYnl9JCHVuFQC/vOxFeNmP9GUxv1vcQ7Jjr0J26sdUDFg+dP3ZD
...
2
votes
1
answer
161
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Provide download repository with signed DEB-packages?
I provide an own download repository for Ubuntu DEB-packages. It comes with a directory structure in style https://mydomain.tld/download/Ubuntu/dists/bionic/main/binary-amd64/
The directory contains ...
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58
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Disable Digital Signature Certification or issue a blanket certificate for all users on an InfoPath form?
We have some Time-Off request forms that are sent through InfoPath 2007 via e-mail and it goes down the verification line (e.g. Employee signs and it gets sent to their supervisor then it gets sent to ...
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Generating JWT RS256 signature with openssl
I'm trying to sign a JWT token with the RS256 algorithm using openssl. Take the following example token:
eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9....
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Trying to verify a download signature with PGP, but getting "no signed data" when passing in the .asc file?
I tried the following steps from Verifying Signatures on the Tor Project:
gpg.exe --keyserver pool.sks-keyservers.net --recv-keys 0x4E2C6E8793298290
imported: 1
gpg.exe --fingerprint ...
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1k
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Outlook Signature By Time
Good Afternoon,
I currently have a client who is experiencing some issues with his signatures in Outlook.
As part of his business he has a disclaimer attached to the bottom of his signature to ...
- 3
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1
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572
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Can't sign with DSA
A DSA key is created with:
openssl genpkey -genparam -algorithm DSA -out dsaparams.pem -pkeyopt dsa_paramgen_bits:1024
openssl genpkey -paramfile dsaparams.pem -out dsakey.pem
When I try to sign, ...
- 3
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71
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Why (and how) to verify the signature of a download? [duplicate]
I have downloaded rsync from the official page.
Each rsync download is associated with a signature.
First, why should I check the signature? What am I risking if not doing that? I assume that if ...
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924
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Outlook signatures location suddenly changed [duplicate]
I have an installation of Outlook 2010 that used to look for signature files in %appdata%\Microsoft\Signatures. However, recently it created a folder in Application Data\Microsoft\Signatures in the ...
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2k
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Add author at SFX archive with WinRAR
For example:
In "Autore" i want insert an author.
0
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1
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3k
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TAP 9.21.2 Driver - An error occurred installing the tap device
I have Windows 8.1 64-bit and I tried to install Betternet, but it gave me an error when trying to install the TAP driver, so I tried to install the TAP driver by itself and it gave me the same error. ...
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372
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Outlook 2013 - set different signatures for different domain mailboxes
I have a domain exchange account on Outlook, and my exchange account includes several mailboxes. If I go to the Account settings, only the primary email account shows, and it doesn't display the ...
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When trying to create an MSI getting error has no digital signature, or has a digital signature that is not verified
When we are trying to generate an MSI using a tool supplied by HP ALM, we get the following error
This is happening only on one machine but works fine on other machine so we think something is wrong ...
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3k
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About the security of adding a signature to a PDF file
We can add a "bitmap" or image signature to a PDF file, either by using Adobe Acrobat or by Mac's Preview app, but I wonder, besides always encrypting it with a password before sending it by email to ...
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11
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How can I sign a PDF document quickly and cheaply?
I need to sign a PDF document.
However, Adobe 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 a better, ...
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