Texts: Public-Key Cryptography Application
Task 5: Digital signature to authenticate the message in a digital envelope
Construct a figure similar to the one below that includes a digital signature to authenticate the message in a digital envelope.
Message
Encrypted message
Random symmetric key
Digital envelope
Receiver's public key
Encrypted symmetric key
(a) Creation of a digital envelope
Message
Encrypted message
Random symmetric key
Digital envelope
Encrypted symmetric key
Receiver's private key
(b) Opening a digital envelope
Digital Envelopes
Task 5 Solution:
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