Sistema de claves - CDMA

SSD - Shared Secret Data

VPM - Voice Privacy Mask

CMEA - Signaling Message

Encryption

SSD - A

SSD- B

64-Bits Periodically

64-Bits Periodically

32-Bits

520-Bits

64-Bits

Data Key

VPM

CMEA Key

(AUTHENTICATION)

Key Type

(PRIVACY)

A-Key (Seed)

64-Bits Infrequently

Previous slide

Next slide

Back to first slide

View graphic version