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These messages are coming from SSL_state_string_long, and many of them were updated in version 1.1.0 from "SSLv3 [message]" to "SSLv3/TLS [message]", so my guess would be that OpenSSL uses the same code … for SSL 3 and TLS handshakes, and you're just using a version before 1.1.0 where the messages weren't yet updated to account for that. …

I think you misunderstand what a replay attack is. You are correct that a MitM wouldn't be able to see the premaster secret, but an attacker can still cause trouble even if they can't decrypt anything …

The section you linked to says that the NULL cipher (no encryption) works the same as in TLS, and that RC4 (the only stream cipher in TLS 1.2) cannot be used for DTLS. … The next three subsections indicate that block ciphers and AEAD ciphers work exactly the same in DTLS as in TLS, and that new cipher suits must specify if they are suitable for DTLS along with what changes …

You're accessing https://localhost/, while the certificate was probably issued for some public domain that you own. Standards compliant web browsers will check the certificate to make sure that one of …

No, a rewrite rule is still vulnerable to attacks like sslstrip. If you look at the documentation or try it out, you'll see that your rewrite rule is actually creating a redirect.

In general, HTTPS should be enough as long as you don't do anything crazy like installing extra trusted root certificates, or bypassing warnings because you want to see the page. But, that assumes on …

The very next sentence gives a short explanation: Stitched ciphersuites are optimised implementations of certain commonly used ciphersuites. Googling, the term is better explained in the paper …

Instead, only the MAC will be checked, which should be considerably faster. Not so. In fact, it can be the opposite. For Encrypt then MAC, you'd have to MAC the entire ciphertext to test a MAC …

It sounds like you need to do some profiling and optimizing, but I can almost guarantee that TLS isn't going to be the bottleneck. …

Predicting future output from existing output is only one of many problems a PRNG can have. I'm not an expert in this area, but just looking at PRNG on Wikipedia, I see it links to RANDU, which, among …

According Chrome's certificate transparency policy, all EV certs are required to be CT Qualified to be recognized as EV, and other certs may be required to be CT Qualified basically at their discretio …

Quoted from Tombart's answer on Crypto SE: Yes, G stands for "Generation". When CA needs to get a new chain they just increment the generation number. For example GoDaddy's signatures: …

This question is somewhat related, and you can see from StackzOfZtuff's answer that only one chain can be sent. When connecting with openssl s_client -connect letsencrypt.org:443 it's returning the ch …

There would only be benefit if for some reason you can't trust that the TLS connection is secure, in which case you would be much better off fixing the TLS connection. …

If an attacker has a Man in the Middle position, they may be able to tell which browser is establishing a connection early on (eg due to minor behavioral differences in the TLS stack). …