Podcast
Questions and Answers
What is the encryption algorithm used for confidentiality/integrity in UMTS security?
What is the encryption algorithm used for confidentiality/integrity in UMTS security?
Which mobile networks utilize SIM authentication with PIN code?
Which mobile networks utilize SIM authentication with PIN code?
What does UMTS security provide to protect signalling data?
What does UMTS security provide to protect signalling data?
In UMTS security, what is the procedure for verifying the authenticity of an entity?
In UMTS security, what is the procedure for verifying the authenticity of an entity?
Signup and view all the answers
What is the basis for security in UMTS security?
What is the basis for security in UMTS security?
Signup and view all the answers
Which network authentication is supported in UMTS security?
Which network authentication is supported in UMTS security?
Signup and view all the answers
What does UMTS security use to protect user data payload?
What does UMTS security use to protect user data payload?
Signup and view all the answers
What is used for secure negotiation of protection algorithms in UMTS security?
What is used for secure negotiation of protection algorithms in UMTS security?
Signup and view all the answers
In UMTS security, what is the known algorithm used for ciphering?
In UMTS security, what is the known algorithm used for ciphering?
Signup and view all the answers
What is the primary focus of SIM authentication in UMTS security?
What is the primary focus of SIM authentication in UMTS security?
Signup and view all the answers
Which standard is the UMTS security encryption algorithm based on?
Which standard is the UMTS security encryption algorithm based on?
Signup and view all the answers
What does UMTS security use to protect signalling data integrity?
What does UMTS security use to protect signalling data integrity?
Signup and view all the answers
What is the property that data has not been altered in an unauthorized manner?
What is the property that data has not been altered in an unauthorized manner?
Signup and view all the answers
In which network, signaling messages are appended with a 32-bit security field (MAC-I) at the terminal or RNC before transmission and checked at the receiving end?
In which network, signaling messages are appended with a 32-bit security field (MAC-I) at the terminal or RNC before transmission and checked at the receiving end?
Signup and view all the answers
What is used to prevent unencrypted transmission of user ID information such as IMSI number over the air interface?
What is used to prevent unencrypted transmission of user ID information such as IMSI number over the air interface?
Signup and view all the answers
Which security attack is prevented by a combination of key freshness and integrity protection of signaling data, not by authenticating the serving network?
Which security attack is prevented by a combination of key freshness and integrity protection of signaling data, not by authenticating the serving network?
Signup and view all the answers
What is the 128-bit key used for key agreement on cipher key CK and integrity key IK in UMTS AKA?
What is the 128-bit key used for key agreement on cipher key CK and integrity key IK in UMTS AKA?
Signup and view all the answers
Which entity can generate random challenges RAND in UMTS AKA?
Which entity can generate random challenges RAND in UMTS AKA?
Signup and view all the answers
What is used to verify that RAND and AUTN had been generated by the home AuC in UMTS AKA?
What is used to verify that RAND and AUTN had been generated by the home AuC in UMTS AKA?
Signup and view all the answers
What does AMF stand for in UMTS AKA?
What does AMF stand for in UMTS AKA?
Signup and view all the answers
What is used to detect replay attacks in UMTS AKA?
What is used to detect replay attacks in UMTS AKA?
Signup and view all the answers
What is used to prevent false base station attacks in UMTS AKA?
What is used to prevent false base station attacks in UMTS AKA?
Signup and view all the answers
Which property ensures that information is not made available to unauthorized individuals, entities, or processes?
Which property ensures that information is not made available to unauthorized individuals, entities, or processes?
Signup and view all the answers
In UMTS, where is the signaling integrity protection applied?
In UMTS, where is the signaling integrity protection applied?
Signup and view all the answers
