In the world of cryptography, there are two main types of encryption systems: symmetric systems and asymmetric systems. Both types of systems are used to secure data and protect sensitive information, but they use different methods to do so. In this post, we will explore the difference between symmetric systems and asymmetric systems and when each is used.
Symmetric Systems
Symmetric systems, also known as secret key encryption, use the same key for both encryption and decryption of data. This means that the sender and receiver must share the same key in order to communicate securely. Symmetric systems are fast and efficient, but they are not suitable for use in situations where the sender and receiver are not able to securely share a secret key.
Asymmetric Systems
Asymmetric systems, also known as public key encryption, use two different keys for encryption and decryption of data. The public key is used for encryption and is available to anyone, while the private key is used for decryption and is kept secret by the owner. Asymmetric systems are slower than symmetric systems, but they are more secure and can be used in situations where the sender and receiver are not able to securely share a secret key.
When to Use Symmetric Systems vs Asymmetric Systems
Symmetric systems are typically used for encrypting large amounts of data, such as files or databases. They are also commonly used in situations where the sender and receiver are in the same location and are able to securely share a secret key.
Asymmetric systems are typically used for encrypting smaller amounts of data, such as messages or email. They are also commonly used in situations where the sender and receiver are not in the same location and are not able to securely share a secret key.
Key Takeaways
Symmetric systems use the same key for encryption and decryption, while asymmetric systems use two different keys for encryption and decryption.
Symmetric systems are fast and efficient, but they are not suitable for use in situations where the sender and receiver are not able to securely share a secret key.
Asymmetric systems are slower than symmetric systems, but they are more secure and can be used in situations where the sender and receiver are not able to securely share a secret key.
Read More: WHAT IS HASHING IN CRYPTOGRAPHY?
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