All Questions
Tagged with openssl certificate
126
questions
0
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293
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curl: (60) SSL: unable to obtain common name from peer certificate
I'm trying to create self-signed certificates for my webserver but it's not going well. The title is the error message curl gives me when I run
curl --noproxy "*" https://example.com
(with ...
0
votes
0
answers
75
views
How to add certificates to an existing PKCS#7 bundle (p7b) file?
I have a PKCS#7 bundle (p7b file) that holds many public S/MIME certificates, and I need two more certificates in the bundle.
Is there a way to add these certificates using openssl (or possibly ...
- 227
0
votes
0
answers
805
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Verify return code: 21 unable to verify the first certificate
I'm encountering an issue on my Ubuntu server when attempting to establish an email connection from the frontend application. The error message I receive reads: "Verify return code: 21 unable to ...
1
vote
1
answer
2k
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Use openssl 3 to create a self-signed certificate just like what "New-SelfSignedCertificate" can
First of all, I did googling about openssl, such as this one, and also tried dozens of time on creating a valid self-signed certificate.
But I guess asking on serverfault would be much quicker.
My ...
- 83
2
votes
1
answer
267
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openssl ignores intermediate certificate in pkcs12 file
After creating a new S/MIME certificate, I am stuck with creating a valid PKCS #12 file that is accepted by most mail clients:
$ openssl verify smime.pfx
CN = [email protected], emailAddress = mail@...
1
vote
0
answers
669
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How to convert a DER private key to PEM
I have a private key that is in binary format. I'm not sure if this is DER format but I need to convert it to PEM.
I'm using openssl with this command:
openssl rsa -inform DER -outform PEM -in test....
- 111
0
votes
1
answer
340
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self signed certificate for a site that can only be access through VPN
I read a lot of articles about self signed certificates and I'm not exactly sure if I'm getting near to what I want to actually achieve.
I'm trying to implement a self signed certificate so that the ...
- 11
0
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1
answer
2k
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OpenSSL 3.0 generating p12 certificate issue with FIPS
I am running the OpenSSL command to generate bundle.p12 with -legacy option. RHEL 9 FIPS Enabled setup.
openssl pkcs12 -export -legacy -in cacert.pem -inkey cakey.pem -out bundle.p12
Error creating ...
-1
votes
1
answer
767
views
How to verify signed file? [closed]
How to check a validity of a file using openssl and cms?
I've got a file (foo.bin) and a signature (foo.bin.cms) which is include x509 der format certificate.
is there any way to check validity of ...
- 3
8
votes
2
answers
1k
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SAN certificate with URI fragment
I need to generate a TLS certificate with a SAN URI where the URI has a fragment (has a hash '#'). But when I try to generate a certificate using openssl, the fragment gets stripped.
# generate key ...
- 205
1
vote
1
answer
632
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Error message "The format of the file is invalid" when attempting to import certificate on HP printer
On some HP printers, when I try to import a certificate to enable HTTPS for the printer's Embedded Web Server (EWS), I get the error message "The format of the file is invalid". This happens ...
- 4,003
0
votes
2
answers
13k
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How to convert .cer and .key file to .pem?
I have a .cer certificate, .key file and I would like to convert it to the .pem format.
How do I convert them to .pem?
-1
votes
2
answers
452
views
SSL certificate
I have root and intermediate certificate, and I need to create the certificate which I need to install on RADIUS server. However, I don't have clear idea in my head about this. Here are my questions:
...
- 99
1
vote
1
answer
2k
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OpenVPN - Can client certificates and keys be created if you only have ca.crt
All servers are debian 9 linux. I have 200 servers with openvpn installed, each with three to four clients (tunnel 2)
clients ---> server1 (1 of 200) (also client for jumpserver) ---> jumpserver ...
- 73
0
votes
1
answer
271
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How can I create a self-signed certificate that works with the browser?
I have been trying to create a self-signed certificate. The Firefox browser says the certificate is "not secure."
I created the certificate following this SO explaination: Is it possible to ...
- 101