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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Finding out if a certificate is due for renewal without triggering the actual renewal with Certbot

I am trying to use Certbot to allow for semi-automated certificate updates. I don't want fully-automated updates to avoid automatic certificate replacements that could interrupt business and ensure ...
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Graph API PATCH Application Encryption certificate update

Attempting to update Encryption certificate using Graph API in Azure. PATCH: https://graph.microsoft.com/beta/applications/20a55f23-4de3-45d2-afcf-6e97b40f438z Payload: { "keyCredentials": [ ...
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Why OCSP stapling on NGINX for “buypass” DV certs fails without explicit root declaration?

tl;dr For buypass DV certs fetched by certbot I need to explicitly tell NGINX to trust buypass root cert to enable OCSP stapling. This is not the case for Let's Encrypt certificates and I cannot ...
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232 views

Open SSL Error on Windows 10 - Converting a signed CSR from PEM to CRT

I am attempting to create an IPSec VPN connection with x.509 cert authentication for users. What follows is a test to get things going and isn't a secure implementation. I will get a certificate from ...
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How to make Certbot respect Debian standards for certificate deployment?

Certbot seems to manage X.509 certificates and private keys in its own directory structure in /etc/letsencrypt. On Debian-based systems (including Ubuntu, Linux Mint and others) X.509 certificates are ...
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Why my signed certificate is not accepted by IOS (valid in Firefox)

I tried to generate my own CA with TLS Server Certificates. In Firefox I also do not have problems and the certificate is accepted after import of the root certificate. But after importing the root ...
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are der wallet still supported or used?

we can see different types of wallet format ( .pem, .der, .cert ) reference - What is a Pem file and how does it differ from other OpenSSL Generated Key File Formats? query is anyone still using cert....
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81 views

Demand user's x509 certificate from java web application only when required

My web application authenticates the user based on user's x509 certificate. For now, I've configured tomcat for mutual authentication by setting "clientAuth=want". However, as this ...
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X509Certificate2 in Windows Server throwing exception

I have the following code, var x509Certificate = new System.Security.Cryptography.X509Certificates.X509Certificate2(@"myfile.pfx", "Password") This work great on my ...
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193 views

Installing certificate installed through MMC for a service account

(Disclaimer: I have posted this question on StackOverflow, but from a developer point of view. I tried to rewrite the question to fit ServerFault conditions) A custom service has to log on a remote ...
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x509 + asn1: are subjectAltName elements explicit or implicit?

From https://tools.ietf.org/html/rfc5280: SubjectAltName ::= GeneralNames GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName GeneralName ::= CHOICE { otherName [0] ...
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How can I make a CA certificate with `certtool`?

I can make a self-signed CA certificate with the openssl command by putting the line basicConstraints = critical,CA:true in the appropriate section of a configuration file and using it: openssl req -...
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Client certificate works in Firefox but not when used in Internet Explorer (or Edge)

With a certain web site, a certain client certificate works fine with Firefox, but not with IE or Edge (all on Windows 10, as both IE and Edge behave the same, I'll use the term "IE/Edge" ...
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359 views

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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X509 certificates - Are there any naming conventions?

What are the naming conventions when buying certificates, if any? When buying a cert for TLS/HTTPS for a particular Server, naturally I will default to the server's name. For example, if the server is ...
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155 views

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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429 views

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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105 views

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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199 views

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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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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908 views

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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318 views

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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594 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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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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286 views

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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1k 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
2k views

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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2k views

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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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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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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240 views

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
735 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
549 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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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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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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582 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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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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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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431 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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994 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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560 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....