Slide $14$ TLS $2$

Client $($Browser$)-$ MITM $-$ Server

Https$.$ https$.$

RSA signature certificate. fake server RSA encryption certificate

fake client RSA signature certificate

RSA encryption certificate

Question $1.$

Explain whether the following statement is true or false: $2-$way TLS uses public key and symmetric key cryptography whereas $1-$way TLS only uses symmetric key cryptography.

Question $2$

Consider slide $14$ of module TLS$\mathrm{.}2$ with $4$ RSA public key certificates as shown. Let$$s name the client as Alice, the MITM as Mallory and the server as Bob. There are $2$ TLS $2-$way handshakes in this process as follows: handshake $1$ between Alice and Mallory, and handshake $2$ between Mallory and Bob. Explain which certificates are used in handshakes $1$ and $2.$

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