Questions tagged [x509]

X.509 is an ITU-T standard commonly used for public key infrastructure (PKI) and for privilege management infrastructure (PMI).

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OpenVPN Access Server - Encounter the Warning X509_V_ERR_CERT_HAS_EXPIRED but the cert is actually not expired yet

I was trying to connect to my company openvpn network via MacOS openvpn application and hitting the warning "The server vpn.my_company.com has an UNTRUSTED SSL certificate. Allow the connection to ...
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1answer
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x509 extensions: can the “extnValue” be empty?

I'm writing a script that parses x509 certificates. x509 v3 certificates have extensions which are an ASN.1 sequence containing an OID, a critical flag, and an octetString called extnValue. For the ...
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juju bootstrap fails with x509 certificate signed by unknown authority

Trying to setup a manual juju cloud to install Charmed Kubernetes on a set of virtual machines, I'm currently trapped in x509 certificate errors while bootstrapping the juju controller. $ juju ...
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How to properly generate an x509 certificate with restricted usage

I'm putting certificates into a repository that will not allow a successive certificate with more limited usage than the previous one. I need an initial dummy cert/key/chain to bootstrap the process ...
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Error generating client certificate using openssl

Getting this error with openssl 1.1.1d when using the CA generated as shown: openssl req -new -x509 -config ca.cnf -newkey rsa:4096 -sha256 -nodes -out ca-certificate.pem -outform PEM openssl req -...
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Create DER certificate+key from PEM

I'm not sure if it's even possible. Also, OpenSSL is one ugly motherlover of an utility :/ I need top upload certificate+private key as DER to ESET Security Management Center (ESMC), at least ...
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1answer
94 views

FreeIPA refuses to sign a VMWare certificate signing request (CSR)

I'm attempting to make VMWare's certificate authority (VMCA) v6.7 a trusted sub-CA of a FreeIPA certificate authority. I should be able to generate a certificate signing request within VMCA using ...
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error when trying to add custom extensions to X509 certificates using openSSL

I am trying to add custom extensions to my self-signed certificate. I tried the following openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365 -extfile myconfig.cnf -extensions ...
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Debian Buster: docker login throws certificate signature exception

I have installed docker on top of my HyperV debian VM following this guide: https://docs.docker.com/install/linux/docker-ce/debian/ When trying to login to dockerhub, i get the following exception: ...
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Exchange 2013 clients receive error 500 or unable to send mails

We have windows 2012R2 with Exchange 2013, we had public ssl certificate that was used both for external and internal users. We decided to not renew certificate and sign a new one with our domain ...
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266 views

Unable to load certificate key C:apache-tomcat-8.5.38conf/abc.key (error:0909006C:PEM routines:get_name:no start line)

Need help on below error: Just added a new certificate and copied key , chain and crt to /conf. after starting the tomcat getting below error. I read in blog that needs to add native="false" in ...
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How does one change the certificate and key for https

We have a server whose original PKI certificate was issued by a discontinued root CA. We have a replacement certificate issued from a different root authority chain. This site was set up some time ...
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Revoked SSL certificate

We're using Paypal SDK here: https://github.com/paypal/PayPal-NET-SDK To help handle our webhooks. We've started receiving the exceptions: PayPal.PayPalException: Unable to verify the certificate(s)...
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546 views

How does certutil determine that a cert is revoked

I'm testing that an x509 certificate can be correctly determined to be revoked. I'm taking the cert from https://revoked.badssl.com and verifying it via certutil. When my system is online, it seems to ...
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Digital signing certificate for SOAP

I'm calling a third-party Web Service with SOAP requests. This service requires me to to sign my SOAP requests digitally. Regarding to How to buy a X.509 certificate for signing digital payloads ...
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2answers
627 views

Why would Chrome ignore the X509v3 Subject Alternative Name in my cert?

I have a cert that include an X509v3 Subject Alternative setting, but Chrome 67.0.3396.99 is saying the Subject Alternative Name is missing even though it looks like it's included in the cert. Here's ...
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x509 certificate not valid for any names when added IP address to openssl.cnf

A self-signed certificate works well while the command used to generate it on a ubuntu machine is: openssl req -x509 -newkey rsa:4096 -keyout private.key -out cert.crt -days 365 -nodes If the ...
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1answer
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Authenticate to LXD rest API over network , certificate auth keeps failing

I am trying to access LXD REST API over the Network. Followed : Link to Doc. lxc config set core.https_address "[::]:8443" lxc config set core.trust_password <some random password> curl -s -...
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Edit x509v3 extended key usage in existing certificate-file

Is it possible to manually edit the key usage of a X509v3 certificate ? $ openssl x509 -in crt.crt -text ... X509v3 Key Usage: Digital Signature, Non Repudiation, Key Encipherment X509v3 ...
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879 views

The revocation function was unable to check revocation for the certificate 0x80092012

Please help me to deal with self-signed revocation check I've used makecert.exe to create root and client certificate The problem is that certutil fails to check certificate with error The ...
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1answer
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openssl certificate chain lost when converting from pem to der

I have a cetificate chain in .pem format from Letsencrypt, called fullchain.pem It has 2 certificates in the chain: keytool -printcert -v -file fullchain.pem |grep "Certificate fingerprints" |wc -l ...
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Limiting power of a trusted certificate

I am creating a site with my own CA and signing client certs with it. The clients will need to add my CA as a trusted source, but for security reasons I don't want them to blindly trust everything ...
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1answer
459 views

Is it possible to generate openssl configuration file from an existing x509 certificate?

I am looking for a way to restore openssl configuration from an X509 certificate (or a csr). I know it's possible to look at the certificate and manually reconstruct the config file but it's ...
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Difference between openssl's verify and s_client

openssl verify gives me a 20 error code whereas s_client gives me a 1 return code and correctly gets the root certificate. Can anyone point me out to how to verify a downloaded certificate ? ...
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1answer
340 views

Block Subject Alternative Names in ADCS

I am managing a Windows 2008 ADCS CA and have been aware of the security risks in issuing certificates with SANs. So I tested issuing a PKCS10 file with SANs in the request and it issued the ...
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Can I restrict an intermediate CA to only sign client certificates?

I want to use SCEP to give out client certificates, probably using ADCS. We already have an internal offline root CA in place (securely in a safe, only used for signing and revoking intermediate ...
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549 views

OpenSSL - Create Cross Intermediate Certificate from 2 Root CAs

Good evening all, I have 2 servers running in different datacenters which are both connected using OpenVPN. Both servers have their own ca-server who is able to sign new certificates using ...
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1answer
781 views

How can I select a certificate from a PEM file with multiple certificates?

Background info: I am working on an OS X server, and I need to use certificates from the key chain with openssl smime in order to encrypt messages in a bash script. In order to do so, I use the ...
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MongoDB rs.initiate error: replSetInitiate quorum check failed because not all proposed set members responded affirmatively

I have to start my own replica set with internal authentication enabled using X.509 certificates, but I failed. Any advice is welcome. MongoDB 3.2 x64 on Debian 8.2 x64. It is a problem from the ...
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1answer
532 views

Preserve X509 client cert data from apache2 reverse proxy to jetty

I am not able to receive on jetty-9.3.14 the X509 client cert data which are submitted to apache2 and forwarded via ProxyPass directive. <Location /X509> SSLVerifyClient require ...
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3answers
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Forwarding logs from rsyslog to graylog over tls

I'm trying to forward logs from rsyslog to graylog over tls. rsyslog configuration: # make gtls driver the default $DefaultNetstreamDriver gtls # # # certificate files $DefaultNetstreamDriverCAFile /...
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Trust certificate for OCSP, but not for client certs?

According to the nginx docs, you can specify certificates to be trusted for both OCSP response and client certificate verification: ssl_trusted_certificate / ssl_client_certificate Specifies a ...
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1answer
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Trusting an untrustworthy CA - Can I restrict how system trusts it?

(Posted to ServerFault instead of StackOverflow because I feel it concerns OS configuration more than programming code). I'm currently responsible for maintaining a system which connects to a third-...
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1answer
426 views

Google App Engine The SSL certificate provided could not be inserted. xn- domain

I try installing Comodo Certificate that I ordered in SSLs.com on Google App Engine Custom Domain. But I have error: The SSL certificate provided could not be inserted. I checked that my key is ...
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1answer
848 views

How to get Subject from client certificate issued as a claim in ADFS?

I'm using Certificate Based Authentication in ADFS 3.0 and need to get the Subject field from the client certificate issued as a claim, but it's not available as an incoming claim to ADFS. When I ...
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Tomcat 7: how to log x509 cert dn with AccessLogValve

I have Tomcat7 running on RHEL6 with mutual authentication using x509 certificates for the entire container. From the user point of view in the browser, everything seems to work fine with a cert ...
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557 views

Is there an extension of host to host ipsec to a many-many configuration?

Having a typical host to host transport mode ipsec configuration, conn appserver01-to-swift01 leftid=@appserver01.server.com left=10.133.176.246 leftrsasigkey=xxxxxxxxxxxxxxxxxxxxxxxx ...
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OCSP responder not present?

Am trying to set up OCSP validation routines, and so want to be comfortable with the environment first. Found excellent tutorials at for example OpenSSL: Manually verify a certificate against an OCSP....
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Can one domain have 2 or more SSL certificates?

I have googled and found this post: https://security.stackexchange.com/questions/46988/is-it-technically-possible-to-configure-two-different-ssl-certificates-for-the-s If it actually is possible, ...
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How should a wildcard certificate be used?

I have a wildcard certificate (pfx file) and I have doubts on how to use that. Should I install that on all of my application servers or alternatively create a new certificate and sign it with the ...
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1answer
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Error 207: ERR_CERT_INVALID

I'm trying to make it so people can create a private key via the browser via the element and then after have it so that an X.509 cert is sent to them that's then installed into the browser. But I can'...
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1answer
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Can OpenDirectory on OS X reasonably be configured to use an intermediate CA cert from an existing CA?

We're trying to set up OpenDirectory. It seems to want to create its own CA, and then an intermediate CA with a certificate signed by its own CA. I'd prefer to generate an intermediate CA certificate ...
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1answer
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OPENSSL Save x509 certificate of a website

I can see the certificate with this command openssl s_client -host {HOST} -port 443 -prexit -showcerts How can I save the x509 cert of the website in a PEM - File?
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1answer
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Limit on X509v3 Subject Alternative Name DNSname length

I have been searching through RFC 5280, 1034, and 1123 trying to figure out what a max string length is, but I can't find it. I'm wondering if any of you happen to know. For those of you who know ...
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apache/mod_gnutls ssl certificate based authentication

I'm using apache with gnutls. I've configured both to request authentication from the client. When providing the certificate it works. But it works also if I provide another that the correct ...
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1k views

DER encoded hash

according to the manpage of stunnel4 the certificates in this directory should be named XXXXXXXX.0 where XXXXXXXX is the hash value of the DER encoded subject of the cert (the first 4 bytes of the ...
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Integrity of Request/X509 Alternative Name/Extension Information

Am I correct in assuming that there's protection against the modification of both the subject and the extension information in a request or X509 certificate? This signature is just another element ...
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1answer
3k views

Strongswan with X.509 authentication and LDAP authorization

I would like to setup Strongswan/Libreswan with PKI authentication. Now I have searched and found only how to configure specific accepted client certificates like here: http://technikenity.blogspot....
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996 views

Convert EC2 ssh .pem key to Azure X.509 certificate?

Normally I use a pem file to login into my ec2 instance via ssh -i key.pem Now, in Azure, their requirement during instance creation is UPLOAD AN SSH KEY OR PROVIDE A PASSWORD FOR AUTHENTICATION ...
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2answers
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How does OpenSSL determine that a certificate is for a root CA?

I have a Verisign intermediate certificate that was issued by a Verisign root CA. But when I ask OpenSSL to validate the chain without providing the root CA certificate, OpenSSL says the chain is ...