Once an individual validates another individual's certificate, what is the use of the public key that is extracted from this digital certificate?   The public key is now available to use to create digital signatures.   The public key is now available to encrypt future digital certificates that need to be validated.   The user can now encrypt private keys that need to be transmitted securely.   The user can now encrypt session keys and messages with this public key and can validate the sender's digital signatures.

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Once an individual validates another individual's certificate, what is the use of the public key that is extracted from this digital certificate?

 

The public key is now available to use to create digital signatures.

 

The public key is now available to encrypt future digital certificates that need to be validated.

 

The user can now encrypt private keys that need to be transmitted securely.

 

The user can now encrypt session keys and messages with this public key and can validate the sender's digital signatures.

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