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What is the Extended AES algorithm, and why is it so secure?

What is the Extended AES algorithm, and why is it so secure?

The Extended AES algorithm is a variant of the standard AES (Advanced Encryption Standard) algorithm. Like the standard AES, it uses a block cipher to encrypt and decrypt data, but it has a longer block size (512 bits) and supports longer key sizes (16, 32, and 64 bytes).

The extended AES also uses a different number of rounds for encryption and decryption (24 rounds) than the standard AES (10 rounds for a 128-bit key size). Additionally, the extended AES uses a modified padding mechanism for both the message and the key and has a different process for generating round keys from the padded key block. As a result, the Extended AES is considered more secure than standard AES due to the long block and key size.

The extended AES algorithm by Protectstar is considered more secure than the standard AES algorithm for a few reasons:

  1. Longer key size: The extended AES supports key sizes of up to 64 bytes (512 bits), while the standard AES supports up to 32 bytes (256 bits) key size. A longer key size means more possible keys, and a greater number of keys makes it more difficult for an attacker to decrypt the data successfully.
  2. Longer block size: The extended AES uses a block size of 512 bits, while the standard AES uses a block size of 128 bits. Similarly to the key size, a longer block size means more data to encrypt, making it more difficult to decrypt and giving more possible keys to brute force.
  3. More rounds: The extended AES uses 24 rounds for encryption and decryption, while the standard AES uses 10 rounds for a 128-bit key size. More rounds mean that the encryption and decryption processes are applied multiple times, making it more difficult for an attacker to reverse the process and decrypt the data.
  4. Padding modification: the extended AES uses a modified padding mechanism for both the message and the key, ensuring that the data is protected even when facing advanced attacks.

All these factors together make the Extended AES encryption stronger and more resistant to attacks, making it the best option for people who demand the highest level of security for their data.

For more information, please visit:

https://www.protectstar.com/en/extended-aes

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