HP Ew2400 HP Jetdirect Print Servers - HP Jetdirect and SSL/TLS - Page 24
Keying Material
UPC - 882780301306
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Client Client Random # Server Random # Server Public Key Cryptographic Key Generation: PreMasterSecret Encryption E(PreMasterSecret) Figure 26 - Keying Material The client generates what is called a "pre_master_secret" using the random numbers as well as a function called the key derivation function. This is encrypted with the server's public key. Only a server with knowledge of the private key would be able to decrypt it. The ability to decrypt the pre_master_secret proves that the server is in possession of the private key - the final proof for the server's identity. 24
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Client
Server
Random #
Client
Random #
Server
Public Key
Cryptographic
Key Generation:
PreMasterSecret
Encryption
E(PreMasterSecret)
Figure 26 - Keying Material
The client generates what is called a “pre_master_secret” using the random numbers as well as a
function called the key derivation function.
This is encrypted with the server’s public key.
Only a
server with knowledge of the private key would be able to decrypt it.
The ability to decrypt the
pre_master_secret proves that the server is in possession of the private key – the final proof for the
server’s identity.