A certificate is a file that is installed on a server. SSL communications are enabled by certificates. Encryption of data is a necessary part of maintaining private communications across the open internet, where otherwise it’s possible to spy on the content sent between machines. For many use cases the machines on both sides of the transaction, the client and the server, will have their identities confirmed by SSL this way.Įncrypted data flow refers to the ability to encrypt the data moving both ways in the SSL-secured connection. When we say known authenticated identity, what we mean is that the SSL protocol enables the machine that is receiving information (which we’ll call the client) to confirm the identity of the machine that is providing that information (which we'll call the server). SSL enables trusted communications by instilling machine-to-machine communications with two main qualities: The most notable example of such a network is the open internet, but SSL is considered a best practice for infrastructure existing entirely inside a firewall as well. The SSL protocol exists to enable trusted communications between computers across a network. We follow this convention and use the word SSL in all our content and communications here at GeoCerts. However, the word SSL is still universally used to indicate this family of certificates, standards, and functionality.
Rather, the industry now bases its practices on TLS, or Transport Layer Security, which is a more recent and more secure cousin to the original SSL protocol. Note: Technically we don’t use SSL and haven’t for a long time. The word can refer to the connections secured using this protocol or to the actual certificates that are issued and employed as the backbone of this system. SSL, or Secure Sockets Layer, is the common name for the security protocol used between systems across the open internet. This page will give you the fundamentals you need to understand (without getting into too much of the technical bits and bytes) what SSL is and how it affects you. So sometimes they can be hard for someone without a PhD in computer science to make sense of. Whether or not they’re visible to you, you depend on digital certificates for the communication, entertainment, and services you rely on every day.Ĭertificates are quite technically sophisticated, involving trust models, cryptography, industry standards, authentication requirements, and much more. Without digital certificates we wouldn’t have e-commerce, online shopping, mobile devices, secure logins to our online accounts, SaaS applications, public cloud, or virtually any of the IT systems that businesses depend on today. SSL and digital certificates are an essential building block of today’s information systems of all stripes.
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