What is a chain of trust?

A chain of trust is a linked path of verification and validation from an end-entity digital certificate to a root certificate authority (CA) that acts as a trust anchor. Chain of trust for www.ssl.com, showing end-entity, intermediate, and root certificates. In SSL/TLS, S/MIME, code signing, » Continue Reading.

What is Elliptic curve cryptography (ECC)?

Source: Wikimedia Commons Elliptic curve cryptography (ECC) uses the mathematical properties of elliptic curves to produce public key cryptographic systems. Like all public-key cryptography, ECC is based on mathematical functions that are simple to compute in one direction, but very difficult to reverse. In the » Continue Reading.

What is a root store?

A root store is a list of trusted root CA certificates. A certificate authority (CA) uses one or more root certificates as trust anchors for the hierarchy of certificates the CA issues. A public-facing root store is usually maintained under the authority of a major » Continue Reading.

What is Code Signing?

Code signing is the process of using digital certificates to sign software applications for safe distribution and hassle-free installation. By digitally signing software with a certificate issued by a reputable public certificate authority (such as SSL.com), developers can assure end-users that the software they wish » Continue Reading.

What is a Certificate Authority (CA)?

A certificate authority (CA), also sometimes referred to as a certification authority, is a company or organization that acts to validate the identities of entities (such as websites, email addresses, companies, or individual persons) and bind them to cryptographic keys through the issuance of electronic » Continue Reading.

What is OCSP (Online Certificate Status Protocol)?

TheĀ Online Certificate Status Protocol (OCSP) is the Internet protocol used by web browsers to determine the revocation status of SSL/TLS certificates supplied by HTTPS websites. While SSL/TLS certificates are always issued with an expiration date, there are certain circumstances in which a certificate must be » Continue Reading.