CODEWITHSUNDEEP
sslnetwork-programmingtls1.2
Mamoon Ahmed
Mamoon Ahmed

Reputation: 113

ECDHE how the client sends Premaster sectret

According to RFC client sends premaster secret encrypted with RSA public key of the server. But when they are using ECDHE as asymmetric algorithm, client key exchange message will contain the pulic key of the client. If this is the case ? when will the client send premaster secret and how ?

Upvotes: 2

Views: 274

Answers (1)

user207421
user207421

Reputation: 310913

when will the client send premaster secret and how ?

It won't. See #8.1.2:

A conventional Diffie-Hellman computation is performed. The negotiated key(Z) is used as the pre_master_secret.

Upvotes: 1

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