GNU Transport Layer ">Security Library是一个库，它实现了一个较可靠传输层(如TCP/IP)的安全层。它实现TLS 1.1和SSL 3.0协议，身份验证方法，如X.509，OpenPGP和SRP。
GNU Transport Layer Security Library 3.0.0该版本自2.12.x主要和最重要的变化是Datagram TLS 1.0，支持Elliptic Curves (ECDHE和ECDSA),支持AES-GCM，英特尔CPU的AES-NI指令集的优化，并支持PKCS#11通过P11-KIT。
GnuTLS library
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GnuTLS for Windows
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Development releases
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