OpenSSL adds TLS 1.3 supports in the alpha version of OpenSSL 1.1.1 that was announced this week. TLS protocol was designed to allow client/server applications to communicate over the Internet in a secure way preventing message forgery, eavesdropping, and tampering.
“OpenSSL 1.1.1 is currently in alpha. OpenSSL 1.1.1 pre release 1 has now been made available.” states the OpenSSL’s announcement.
“This OpenSSL pre-release has been provided for testing ONLY. It should NOT be used for security critical purposes. The alpha release is available for download via HTTP and FTP from the following master locations (you can find the various FTP mirrors under https://www.openssl.org/source/mirror.html)”
The first Internet-Draft dates back to April 2014, in January it was presented the 23 and will expire on July 9, 2018.
One of the most debated problems when dealing with TLS is the role of so-called middleboxes, many companies need to inspect the traffic for security purposes and TLS 1.3 makes it very hard.
“The reductive answer to why TLS 1.3 hasn’t been deployed yet is middleboxes: network appliances designed to monitor and sometimes intercept HTTPS traffic inside corporate environments and mobile networks. Some of these middleboxes implemented TLS 1.2 incorrectly and now that’s blocking browsers from releasing TLS 1.3. However, simply blaming network appliance vendors would be disingenuous.” reads a blog post published by Cloudflare in December that explained the difficulties of mass deploying for the TLS 1.3.
According to the tests conducted by the IETF working group in December 2017, there was around a 3.25 percent failure rate of TLS 1.3 client connections.
TLS 1.3 will deprecate old cryptographic algorithms entirely, this is the best way to prevent the exploiting of vulnerabilities that affect the protocol and that can be mitigated only when users implement a correct configuration.
In the last few years, researchers discovered several critical issues in the protocol that have been exploited in attacks.
OpenSSL maintainers have completely redesigned the OpenSSL random number generator in the new version.
The new OpenSSL release also includes the implementation for SHA3 and multi-prime RSA, and the support for the SipHash set of pseudorandom functions.
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(Security Affairs – OpenSSL, TLS 1.3)