Schannel Security Support Provider Technical Reference

Applies To: Windows Vista, Windows Server 2008, Windows 7, Windows 8.1, Windows Server 2008 R2, Windows Server 2012 R2, Windows Server 2012, Windows 8

This reference for IT professionals contains information about the Transport Layer Security (TLS) protocol, the Secure Sockets Layer (SSL) protocol, and the Datagram Transport Layer Security (DTLS) protocol as implemented by the Schannel Security Support Provider (SSP).

These protocols provide a means to secure data that is being sent between applications across an untrusted network by using certificate-based authentication and symmetric encryption keys.

In this document

This reference explains what TLS, SSL, and DTLS are; how TLS and SSL use the Security Support Provider Interface (SSPI) and Schannel SSP to secure data transfer across an untrusted network; and which tools and settings are available for configuring TLS and SSL.

• Differences in the Schannel SSP by Operating System Version

• Schannel SSP Technical Overview

  • Transport Layer Security protocol

  • Datagram Transport Layer Security protocol

• Supported Cipher Suites and Protocols in the Schannel SSP

• TLS-SSL Security Considerations

• TLS-SSL Tools

• TLS-SSL Settings

• Schannel Events

The content in this reference applies to products designated in the Applies To list at the beginning of this topic.

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See also

Windows Authentication