Fix routines:X509_check_private_key:key values mismatch in 2 Ways

For SSL key values mismatch issue, it means the private key file does not match the certificate. There are two main reasons. key values mismatch in private key, CSR, and certificate file. certificate chain order is not correct Error message:Cannot load SSL private key file. Error: error: 0B080074:x509 certificate routines:X509_check_private_key:key values mismatch. What is SSL […]

4 Ways to Check SSL Certificate Expiration date

An SSL certificate helps to secure the communication between a client (such as a web browser) and a server (such as a website). If the certificate has expired, it can no longer be trusted to secure this communication, and an attacker may be able to intercept and view sensitive information being transmitted between the client […]

Understanding X509 Certificate with Openssl Command

X.509 is a standard format for public key certificates, digital documents that securely associate cryptographic key pairs with identities such as websites, individuals, or organizations. It can be used for authenticated and encrypted web browsing, signed and encrypted email etc. X509 Certificate Version X.509 Version 1 has been available since 1988, is widely deployed, and […]

Check SSL Certificate with OpenSSL in Linux

OpenSSL is an open-source command-line tool that is commonly used to generate private keys, create CSRs, install our SSL/TLS certificate, and identify certificate information. This quick reference can help us understand the most common OpenSSL commands and how to use them. How to get an SSL Certificate generate a key pair use this key pair […]