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Questions tagged [certificates]

A public-key certificate states that a specific public key belongs to a specific identity. Use this tag for all questions on certificates and authentication of public keys (not public-key authentication, which is authentication _using_ public-keys). If certificates are not a central issue in your question, then don't use this tag.

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Why is GPG creating keys in the future?

I'm trying to sign a LibreOffice document blah blah... So, I created a key and signed my document, but when I reload it, LO insists that the "certificate is not yet valid", and apparently ...
Matthew's user avatar
  • 209
0 votes
0 answers
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openssl in out my box has difference results

I run dovecot and Postfix and lets encrypt. When I ssh into my postfix and run openssl for check mail such as: openssl s_client -crlf -connect mail.pahlevanzadeh.org:995 CONNECTED(00000003) depth=2 ...
PersianGulf's user avatar
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RHEL 9 VM Exported from Internal Network Cannot Verify SSL Certificates for Updates

RHEL 9 VM Exported from Internal Network Cannot Verify SSL Certificates for Updates I'm running into a major issue with a Red Hat Enterprise Linux 9 VM that was originally exported from my company's ...
Xoryy's user avatar
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-1 votes
1 answer
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How to setup certificate for duckdns

Running user@nextcloudpi:/$ `sudo certbot -d downwind.duckdns.org --manual --preferred-challenges dns certonly~` returned: - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
gatorback's user avatar
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3 votes
1 answer
225 views

openssl - problem using an intermediate CA

I am trying to understand how to sign stuff using an intermediate CA certificate. I have developed a rather simple example (using https://gist.github.com/jadbaz/9350f4df4e4ef4c5d256889aa3d5a5ed as the ...
eftshift0's user avatar
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0 votes
0 answers
175 views

Which command can I use to install a certificate to certificate store?

I want to install a client certificate to the Ubuntu's certificate store, so that the user can login using the client certificate from browser (rather than with a username and password). I am writing ...
user avatar
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50 views

Solaris 10 elfsign: how to create a correct certificate to sign a binary?

On Solaris11 is possible to use certificates made with openssl, on Solaris 10 is different elfsign sign -c solaris10.crt -k solaris10.key -e libeel-2.so exit with error and state of exit is 4 (...
elbarna's user avatar
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1 vote
0 answers
134 views

SSL certa sha changed, but Chrome still uses old one

I was forced to change ssl certificate for one from my domains. So, cert changed, sha256 changed. Old cert was not expired yet, but it's now replaced with new one. But, it looks like Chrome does not ...
user1209216's user avatar
0 votes
0 answers
223 views

iwd 802.1X EAP-TLS + personal certificates

In iwd, I am setting up an 802.1X EAP-TLS connection, configured in /var/lib/iwd, as described in iwd.network(5). According to this answer, the certificates must also go into the /var/lib/iwd ...
sebastian's user avatar
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4 votes
2 answers
2k views

Where are the intermediate CA certificates?

In the folder /etc/ssl/certs/ i can well see: Symbolic links to the certificates stored at /usr/share/ca-certificates/ The BUNDLE file ca-certificates.crt which contains all certificates in PEM ...
floupinette's user avatar
1 vote
1 answer
159 views

Receiving the automatic offer of a WPA2-Enterprise certificate on ANY Linux distro

On iOS, Windows, and MacOS, when you attempt to connect to a WPA2-Enterpise network, after you enter your credentials, it offers you the certificate, to install. The same doesn't apply for any Linux ...
security_paranoid's user avatar
0 votes
0 answers
138 views

No cerificate is in /etc/ssl/certs

I am working on an embedded Linux system (kernel-5.18.18) for an SOC platform. The system has openssl compiled, and there is an application connecting to cloud server. But the application failed to ...
wangt13's user avatar
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0 votes
1 answer
85 views

Why is apache ignoring my certbot cert and sending the domain request to a different cert?

I believe the two issues I'm having are related, but don't know where to begin. The first issue is that when a specific domain that resolves to my server is requested, its conf file in sites-enabled ...
JAyenGreen's user avatar
1 vote
1 answer
820 views

Debian ca-certificates package contains expired trust certificates

Today on Debian GNU/Linux 12 (bookworm) install ca-certificates package and checked the /etc/ssl/certs directory .pem files, noticed some of the certificate expired. These certificates expired in 2023,...
sfgroups's user avatar
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0 votes
0 answers
47 views

configure "vsftpd" for certificate revocation

Is there a way to provide vsftpd with CRL? The man page does not seem to have any option for the same and neither googling helped. Appreciate response.
Fazlin's user avatar
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