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OpenSSL is a software library for applications that provide secure communications over computer networks against eavesdropping, and identify the party at the other end. It is widely used by Internet servers, including the majority of HTTPS websites. OpenSSL contains an open-source implementation of the SSL and TLS protocols.
Several versions of the TLS protocol exist. SSL 2.0 is a deprecated [27] protocol version with significant weaknesses. SSL 3.0 (1996) and TLS 1.0 (1999) are successors with two weaknesses in CBC-padding that were explained in 2001 by Serge Vaudenay. [28]
But Merkel considers that OpenSSL should not be blamed as much as OpenSSL users, who chose to use OpenSSL, without funding better auditing and testing. Merkel explains that two aspects determine the risk that more similar bugs will cause vulnerabilities. One, the library's source code influences the risk of writing bugs with such an impact.
libssl is the name of a shared library file built from the code base of one of several TLS implementation projects: OpenSSL; LibreSSL; Network Security Services (NSS)
This table denotes, if a cryptography library provides the technical requisites for FIPS 140, and the status of their FIPS 140 certification (according to NIST's CMVP search, [27] modules in process list [28] and implementation under test list).
Logo representing Heartbleed. OpenSSL is an open-source implementation of Transport Layer Security (TLS), allowing anyone to inspect its source code. [5] It is, for example, used by smartphones running the Android operating system and some Wi-Fi routers, and by organizations including Amazon.com, Facebook, Netflix, Yahoo!, the United States of America's Federal Bureau of Investigation and the ...
OpenSSL was available at the time, and was dual licensed under the OpenSSL License and the SSLeay license. [7] yaSSL, alternatively, was developed and dual-licensed under both a commercial license and the GPL. [8] yaSSL offered a more modern API, commercial style developer support and was complete with an OpenSSL compatibility layer. [4]
LibreSSL is an open-source implementation of the Transport Layer Security (TLS) protocol. The implementation is named after Secure Sockets Layer (SSL), the deprecated predecessor of TLS, for which support was removed in release 2.3.0.