Podcast
Questions and Answers
What does encryption do in cryptography?
What does encryption do in cryptography?
- Converts cipher text to plain text
- Protects data by encoding it (correct)
- Decodes encrypted data
- Randomizes data to make it unreadable
What is the purpose of encryption systems using a pseudo-random encryption key?
What is the purpose of encryption systems using a pseudo-random encryption key?
- To decode messages without a key
- To simplify the encryption process
- To speed up the decryption process
- To ensure security and prevent unauthorized decryption (correct)
Which type of encryption is ideal for real-time communications?
Which type of encryption is ideal for real-time communications?
- Block ciphers
- Symmetric key cryptography
- Stream ciphers (correct)
- Asymmetric key cryptography
What is required for successful decryption of encrypted data?
What is required for successful decryption of encrypted data?
What is the main function of decryption in cryptography?
What is the main function of decryption in cryptography?
What distinguishes symmetric key cryptography from asymmetric key cryptography?
What distinguishes symmetric key cryptography from asymmetric key cryptography?
Why is encryption necessary for secure transmission and storage of sensitive data?
Why is encryption necessary for secure transmission and storage of sensitive data?
When does the decryption process take place in communication?
When does the decryption process take place in communication?
What is one way to decrypt encrypted data?
What is one way to decrypt encrypted data?
Why does encryption not prevent interference in itself?
Why does encryption not prevent interference in itself?
What is the process of converting encrypted or cipher text back into plain text called?
What is the process of converting encrypted or cipher text back into plain text called?
In cryptography, what is the primary purpose of encryption?
In cryptography, what is the primary purpose of encryption?
What distinguishes stream ciphers from block ciphers in terms of data encryption?
What distinguishes stream ciphers from block ciphers in terms of data encryption?
Why does decryption require a secret key or password?
Why does decryption require a secret key or password?
What is the advantage of symmetric key cryptography over asymmetric key cryptography?
What is the advantage of symmetric key cryptography over asymmetric key cryptography?
Which type of key is used in symmetric key cryptography for both encryption and decryption?
Which type of key is used in symmetric key cryptography for both encryption and decryption?
What operation is used to combine plaintext with the key stream in RC4 encryption?
What operation is used to combine plaintext with the key stream in RC4 encryption?
What does the Key-Scheduling Algorithm (KSA) do in RC4 encryption?
What does the Key-Scheduling Algorithm (KSA) do in RC4 encryption?
Why has there been a call to stop using RC4 encryption algorithms?
Why has there been a call to stop using RC4 encryption algorithms?
What is a drawback identified in the usage of RC4 encryption with small data streams?
What is a drawback identified in the usage of RC4 encryption with small data streams?
What technology or protocol banned the usage of RC4 in its TLS protocols in 2015?
What technology or protocol banned the usage of RC4 in its TLS protocols in 2015?
What is a benefit of using RC4 encryption compared to other ciphers?
What is a benefit of using RC4 encryption compared to other ciphers?
In RC4 encryption, what is required for successful decryption?
In RC4 encryption, what is required for successful decryption?
What distinguishes RC4A+ from the basic RC4 algorithm?
What distinguishes RC4A+ from the basic RC4 algorithm?
In RC4 encryption, what is combined one byte at a time with the plaintext stream cipher using XOR operation?
In RC4 encryption, what is combined one byte at a time with the plaintext stream cipher using XOR operation?
Which organization issued recommendations to limit the use of RC4 due to threat vulnerabilities?
Which organization issued recommendations to limit the use of RC4 due to threat vulnerabilities?
