Which of the following symmetric key encryption ciphers provides the strongest protections O DES AES RC4 WEP
Which of the following symmetric key encryption ciphers provides the strongest protections O DES AES RC4 WEP
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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![**Question:** Which of the following symmetric key encryption ciphers provides the strongest protection?
- O DES
- O AES
- O RC4
- O WEP
**Explanation:**
This question presents a list of symmetric key encryption ciphers and asks which provides the strongest protection.
**Ciphers Explained:**
1. **DES (Data Encryption Standard):** An older encryption protocol that uses a 56-bit key. It is considered relatively weak by today’s standards due to advances in computing power.
2. **AES (Advanced Encryption Standard):** A highly secure encryption standard that supports key sizes of 128, 192, and 256 bits. It is widely used and considered very strong.
3. **RC4 (Rivest Cipher 4):** A stream cipher known for its simplicity and speed, but it has vulnerabilities that make it inappropriate for securing sensitive data today.
4. **WEP (Wired Equivalent Privacy):** An outdated security algorithm for wireless networks that has multiple vulnerabilities, making it insecure for modern use.
**Correct Answer:** AES is generally regarded as the strongest encryption method among those listed.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0a679462-185b-4912-9ae5-3276d8c3bb58%2Fcde628ff-2ce9-498a-8c90-6aa7bbc16f17%2F5iae9ye_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Question:** Which of the following symmetric key encryption ciphers provides the strongest protection?
- O DES
- O AES
- O RC4
- O WEP
**Explanation:**
This question presents a list of symmetric key encryption ciphers and asks which provides the strongest protection.
**Ciphers Explained:**
1. **DES (Data Encryption Standard):** An older encryption protocol that uses a 56-bit key. It is considered relatively weak by today’s standards due to advances in computing power.
2. **AES (Advanced Encryption Standard):** A highly secure encryption standard that supports key sizes of 128, 192, and 256 bits. It is widely used and considered very strong.
3. **RC4 (Rivest Cipher 4):** A stream cipher known for its simplicity and speed, but it has vulnerabilities that make it inappropriate for securing sensitive data today.
4. **WEP (Wired Equivalent Privacy):** An outdated security algorithm for wireless networks that has multiple vulnerabilities, making it insecure for modern use.
**Correct Answer:** AES is generally regarded as the strongest encryption method among those listed.
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