4. Authentication methods

The TLS protocol provides confidentiality and encryption, but also offers authentication, which is a prerequisite for a secure connection. The available authentication methods in GnuTLS are:

• Certificate authentication
• Anonymous authentication
• SRP authentication
• PSK authentication

The rule for each method is to allocate a credentials structure containing data required for authentication and associate that structure with the session using gnutls_credentials_set. In the next paragraphs we elaborate on supported authentication methods.

• gnutls_credentials_set