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1 vote
0 answers
972 views

Using OpenSSH config file with -addext and -subj parameters

I'm trying to create a bash script to manage a PKI. I want to use OpenSSL conf file to specify some parameters for the generated and signed certs using my CA. I specified default parameters as below: ...
Tratosca's user avatar
0 votes
1 answer
704 views

Get public key from CSR or CRT

I have certificate request that contains RSA Public-Key. Looks like Modulus part is public key by itself. But according to my understanding it must contain 256 bytes while modulus part contains 257 ...
vico's user avatar
  • 2,603
0 votes
1 answer
3k views

openssl unable to pass -config and -signkey options in the same command

I am attempting to generate a self-signed certificate with my custom config file for openssl. However, the options -config and -signkey are generating errors as below when used in the same command. ...
Anirban's user avatar
  • 131
1 vote
0 answers
4k views

Unable to load CA private key when creating the intermediate pair

Following the tutorial at LINK to create the root pair and intermediate pair. Creating the root pair works fine, but when I try to create the intermediate pair using: openssl ca -config openssl.cnf -...
Mike's user avatar
  • 11
0 votes
1 answer
936 views

Is it possible to remove SAN from a certificate?

I've bought a certificate from an online provider. The CSR only contains a single SN (mysubdomain.example.com). The certificate issued, contains the SN i provided in my CSR, but for some reason the ...
Repox's user avatar
  • 103
0 votes
1 answer
2k views

Convert DER encoded certifcate to PGP file

I have company.cer file which is a DER encoded certificate which I received from someone. I need to convert this file to a PGP file so that I can use gpg --import <key> How can I do this? I ...
Ninja Dude's user avatar
0 votes
0 answers
21 views

Renewed RootCA doesn't verify child certs

So i have a self signed rootCA which is expiring soon, so i created a new csr with updated info about the cert and company but im still using the same private key. I create the new rootCA and install ...
Ghaith Haddad's user avatar
0 votes
0 answers
1k views

How to execute a exe on linux using wine with many arguments (openssl x590AT)

I need to execute this command in a linux server, i command line using wine: sudo wine /var/myfolder/openssl.exe x509AT -days 355 -AA /var/myfolder/cert/certificate.crt -AAkey /var/myfolder/cert/...
VitorMoreira's user avatar
1 vote
0 answers
725 views

Get ssl server name from ssl handshake - tshark

I am trying to verify a certificate using openssl. I verified the certificate chain itself and I want to check if the subject of the certificate matches the server name from the SSL field. My code ...
kobibo's user avatar
  • 131
2 votes
1 answer
21k views

Verify pem certificate chain using openssl

I am trying to write a code which receives a pcap file as an input and returns invalid certificates from it. I have parsed certificate chains, and I'm trying to verify them. Because I get the ...
kobibo's user avatar
  • 131
1 vote
0 answers
603 views

"Error certificate signature failure getting chain" when combining certificates in a PKCS12 keystore

I got the above error when I tried to combine a server certificate, a private key and a certificate chain into a PCKS#12 keystore (step 3) prior to convert it to a JKS keystore. Below are the steps I ...
techie11's user avatar
  • 203
2 votes
3 answers
8k views

How can I renew my certificate authority signing key?

I am a noob considering certificate authorities. I followed this article a while ago to setup my own certificate authority and with its help setup my own freelan VPN network: https://github.com/...
Chris's user avatar
  • 1,258
1 vote
2 answers
666 views

apache SSL configuration using trusted certificates

It's my first time I'm dealing with SSL, I'd like to know, if I got this right or not. I create selfsigned Client-Certificates with a self created CA my-own-CA.crt. When I buy a Server-Certificate of ...
Yaerox's user avatar
  • 183
0 votes
1 answer
8k views

SSL: Can't convert DER to PEM

I'm working with ssl certificates and trying to convert myCA.cer to myCA.pem... $ openssl x509 -in myCA.crt -inform der -outform pem -out myCA.cer.pem unable to load certificate 65927:error:0D0680A8:...
drew1kun's user avatar
  • 2,167
4 votes
2 answers
2k views

Is it possible to have a certificate signed by 2 authorities?

To explain the situation a bit: I'm building an iOS application that uses SSL pinning. I've created a self-signed certificate authority that issues SSL certificates to my web server, and the CA's ...
Ell Neal's user avatar
  • 141

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