Just like recipes describe the required ingredients to make the perfect recipe, cipher suites dictate which algorithms to use to make a secure and reliable connection.Īs we have mentioned before, it is the web server that finally determines which cipher suite will be used. Finally, SHA-256 is the hashing algorithm.Ĭipher suites are important for ensuring the security, compatibility, and performance of HTTPS connections. AES128-GCM is the bulk encryption algorithm: AES running Galois Counter Mode with 128-bit key size. ECDSA or Elliptic Curve Digital Signature Algorithm is the authentication algorithm. Starting from left to right, ECDHE determines that during the handshake the keys will be exchanged via ephemeral Elliptic Curve Diffie Hellman (ECDHE). Going back to our cipher suite paradigm, let’s see what information a cipher suite provides.
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