637865
Descripción
Mapa Mental por Craig Parker, actualizado hace más de 1 año
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Creado por Craig Parker
hace casi 11 años
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10.9 UMTS
- 3rd Generation = 3G
- Higher rates of transmission &
richer range of services
- Introduces new radio technology into the NW
- Introduces new radio technology into the NW
- Higher rates of transmission &
richer range of services
- Universal
Mobile
Telecomms
Systems
- New 3G system
- New 3G system
- Principles of UMTS Security
- Built on GSM
- Adopt the security features from GSM
that proved to be needed and are robust
- Ensure compatability with GSM to
ease inter-working and handover
- Retained the Authentication features
- Retained encryption but with new algorithms 128 bit keys
- Kept the IMSI TMSI mechanism
- Adopt the security features from GSM
that proved to be needed and are robust
- Correct the problems of GSM
by addressing any weakness
- Add new Security Features
- Secure new services
- Address changes in NW architecture
- Longer 128 bit key lengths
- Security further back in the NW than GSM
- Mutual authentication - Sim to NW / NW
to SIM (remove false base station attack
- Extra integrity protection of signalling
data between phone and network
- Secure new services
- Built on GSM
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