Linked Questions

In the DTLS handshake, the two parties involved in the communication must authenticate each other by means of certificates, and after that they perform an ephemeral Diffie-Hellman key exchange, with ...

How does SSL work? I just realised we don't actually have a definitive answer here, and it's something worth covering. I'd like to see details in terms of: A high level description of the protocol. ...

I often see RSA being recommended as a method of key exchange. However, the Diffie-Hellman key exchange method appears to be secure as well. Is there any considerations one should take into account ...

Let's say "Alice" and "Bob" want to communicate with each other over an insecure network. Using Diffie–Hellman key exchange, they can get the same symmetric key at last. However, as I understand, ...

In Diffie Hellman key exchange technique both the parties agree on a common parameter g then they generate their private parameters a and b . Then they exchange g^a and g^b. now they can calculate the ...

I have heard that with forward secrecy that the ECDSA ciphers generate different keys for "each session" because they are not dependent on the private key of the server. My question is how is "each ...

I was playing with a ciphers app to create example list of suites. Looking at the website (https://openssl.org/docs/manmaster/apps/ciphers.html) if I run one of the examples there: openssl ciphers -v ...

I am trying to understand the working of TLS. I understand that there are various way to generate the master secret used to encrypting the data. Such as DH (Ephemeral DHE) and RSA. I understand that, ...

By visiting some websites, like bank websites, we can see for example: TLS_DHE_RSA_WITH_AES_128_CBS_SHA, 128 bits, TLS 1.0 I would like to know: What does mean CBC? TLS 1.0 is an old version, is ...

I can't seem to make any sense out of the following vulnerability in OpenSSL: DH client certificates accepted without verification [Server] (CVE-2015-0205) =============================================...

According to RFC5246 A.5 there are cipher suites TLS_DH_RSA_* and TLS_DH_DSS_*. How / where does the signature algorithm RSA resp. DSA from the cipher suite come into play when using (non-ephermal) ...