What are the disadvantages of Public Key Cryptography?
Disadvantages of Public Key Cryptography are as given below:
a) It is used to encrypt a secret key that is used to encrypt the bulk of a file or a message. This protocol is termed as digital envelope Public-key cryptography is not essential and secret-key cryptography alone is adequate.
b) It includes environments where secure secret-key agreement can take place, for illustration by users meeting into private.