SSL Certificate

OpenSSL provides the x509 command to check certificate details directly from your terminal. Run openssl x509 -in certificate.crt -text -noout to view complete certificate information including issuer, validity dates, and subject details. How Do You Check a Certificate...

Getting Started with P7M File Format The P7M file extension represents a file format used for applying digital signatures to documents electronically. It allows the contents of a file to be encrypted and signed in a standardized way. Specifically, P7M stands for PKCS...

List of Trusted Certificate Authorities in Chrome When you're browsing the internet, security is a top priority, and one of the main protectors of online security is a Certificate Authority (CA). These entities issue digital certificates that verify a website's...

An Overview of TLS 1.3 Cryptographic Protocol Transport Layer Security (TLS) is a cryptographic protocol that provides communication security over a computer network. It encrypts and authenticates communications between two parties, such as a web browser and a web...

Getting Started with TLS/SSL Offloading Secure Sockets Layer (SSL) offloading, also known as TLS offloading, refers to the practice of offloading processor-intensive public key encryption from a web server to a hardware accelerator or a separate server. SSL offloading...

Getting Started with Elliptic Curve Cryptographic SSL Elliptic curve cryptography (ECC) is an approach to public-key cryptography that is based on elliptic curves over finite fields. ECC is increasingly used for securing communication and transactions, especially for...

Quick Summary CER and CRT files are digital certificate formats used for SSL/TLS. CER files are usually binary DER or Base64 encoded, while CRT files are mostly Base64-encoded ASCII text. Both contain the same certificate data but differ in encoding and common usage -...

Certificate Revocation List: CRL Explained A Certificate Revocation List (CRL) is a list of digital certificates that have been revoked by the issuing Certificate Authority (CA) before their scheduled expiration date and should no longer be trusted. CRLs allow relying...

Sectigo RSA Domain Validation Secure Server CA is a Certificate Authority (CA) that issues SSL/TLS certificates for domain validation purposes. It is operated by Sectigo, a major certificate authority and leading provider of digital certificates and automated...

What Does Paid SSL Certificates Mean? SSL (Secure Sockets Layer) certificates are used to encrypt data between a browser and a server. When a website has an SSL certificate installed, the URL will begin with https:// instead of just http://. The 's' stands for secure...