2015 2018 Ericsson AB, All Rights Reserved Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. The Initial Developer of the Original Code is Ericsson AB. Introduction OTP team 2015-03-05 A ssl_introduction.xml
Purpose

Transport Layer Security (TLS) and its predecessor, the Secure Sockets Layer (SSL), are cryptographic protocols designed to provide communications security over a computer network. The protocols use X.509 certificates and hence public key (asymmetric) cryptography to authenticate the counterpart with whom they communicate, and to exchange a symmetric key for payload encryption. The protocol provides data/message confidentiality (encryption), integrity (through message authentication code checks) and host verification (through certificate path validation). DTLS (Datagram Transport Layer Security) that is based on TLS but datagram oriented instead of stream oriented.

Prerequisites

It is assumed that the reader is familiar with the Erlang programming language, the concepts of OTP, and has a basic understanding of SSL/TLS/DTLS.