Mile2 Cybersecurity Certifications

Cybersecurity Certifications

Reply To: OCU C)ISSO D Discussion Lesson 08

Marcena Davis

Symmetric cryptography, also known as secret key cryptography, uses the same key for both encryption and decryption of data. This means that the sender and receiver must both have access to the same secret key. The advantage of symmetric cryptography is that it is fast and efficient, making it ideal for encrypting large amounts of data. However, the major disadvantage of symmetric cryptography is that if the key is compromised, all data encrypted with that key is also compromised.

Asymmetric cryptography, also known as public key cryptography, uses two keys – a public key and a private key – for encryption and decryption. The public key is distributed to anyone who needs to send encrypted messages, while the private key is kept secret by the owner. The advantage of asymmetric cryptography is that it is more secure than symmetric cryptography, as the private key remains secret. However, asymmetric cryptography is slower and less efficient than symmetric cryptography.

Overall, symmetric cryptography is faster and more efficient, but less secure than asymmetric cryptography. Asymmetric cryptography is more secure, but slower and less efficient. The choice between the two depends on the specific needs of the user and the information being encrypted.


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