Which of the following correctly describes the key length and security features of AES-128 bit encryption?

Correct option is C

AES-128 bit encryption uses a 128-bit block size and a 128-bit key length. This provides a strong level of security while maintaining good performance. AES-128 is one of the three key sizes defined for AES, along with AES-192 and AES-256. Despite the shorter key length compared to AES-256, AES-128 is still considered highly secure and efficient for many applications.
Important Key Points:
1. AES (Advanced Encryption Standard):
· A symmetric encryption algorithm widely used for securing data.
· Standardized by NIST (National Institute of Standards and Technology).
2. Key Length and Block Size:
· AES-128: 128-bit block size, 128-bit key length.
· AES-192: 128-bit block size, 192-bit key length.
· AES-256: 128-bit block size, 256-bit key length.
3. Security and Performance:
· AES-128 provides a strong level of security and is resistant to brute-force attacks.
· The 128-bit key length ensures a balance between security and computational efficiency.
Knowledge Booster:
AES Usage:
· Widely used in various applications, including SSL/TLS for secure web communications, VPNs, and encrypted storage.
· Adopted as the encryption standard by the U.S. government and many other organizations worldwide.