> If the browser's symmetric key is encrypted with icicibank's public key For Diffie-Helman key exchange, atleast... Encrypting/"locking" uses the public key.

> If the browser's symmetric key is encrypted with icicibank's public key For Diffie-Helman key exchange, atleast... Encrypting/"locking" uses the public key. Unlocking a public-key-encrypted-symmetric-key happens with icicibank's private key, which the sniffer does not have. Here's another diagram: https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exchange#Description https://en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exc...