Merits and De-merits of secret key encryption
State the merits and de-merits of the secret key encryption?
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Merit:
Secret Key algorithms are proficient: it utilizes less time for encrypting the message. The reason is that the key is generally smaller. So it is utilized to encrypt or decrypt the long messages.
De-merit:
a) Each pair of users should have the secret key. If N people in the world want to use this method, there required to be N (N-1)/2 secret keys. For one million people to communicate, the half-billion secret keys are required.
b) The allocation of keys between two parties may be difficult.
Untrusted networks: These networks are generally administered by owners. They can permit inappropriate access to sensitive or personal data. Such machines are generally separate. These machines could me much more prone to attacks.
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