🔐 Secret Key vs Public Key: Key Differences Explained (Series 2/15)

BCA 601 Computer Network Security Q&A Series 2/15 - Difference Between Secret Key And Public Key CCS University 6th Semester BCA

In computer network security, the use of cryptography is essential for securing communication and information. There are two types of cryptographic keys: secret keys and public keys.

A secret key, also known as a symmetric key, uses a single key for both encryption and decryption. It is typically used for encrypting data that is stored or transmitted between two parties that already have a shared secret.

On the other hand, a public key, also known as an asymmetric key, uses two different keys: a public key and a private key. The public key is freely available to anyone who wants to send an encrypted message to the owner of the public key, while the private key is kept secret and is used by the owner of the public key to decrypt messages that have been encrypted using their public key.

Understanding the difference between secret keys and public keys is essential for designing and implementing secure communication systems.

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