OpenSSL is an open source toolkit that can be used to create test certificates, as well as generate certificate signing requests (CSRs) which are used to obtain certificates from trusted third-party Certificate Authorities.
Support for secure credit card transactions using TLS 1.0 ended on June 30, 2018. The new standards defined by the PCI Security Standard Council requires all payment processors and third-party providers to explicitly disable support for TLS 1.0 and switch to exclusively using TLS 1.1 or later versions, preferably using TLS 1.2.
This article discusses the purpose of SSL/TLS server certificates and how to create a certificate that can be used for testing purposes on your own development system.
SocketTools includes support for Unicode in several different ways, depending on the edition and development tools used. This article discusses how Unicode support is implemented for the current version of each SocketTools edition.