nGoals
–data
integrity
nprevention of changes in data
–privacy
nprevention of tapping
–authentication
ncreation of authenticated relations between a mobile
device and a server
–protection
against denial-of-service attacks
nprotection against repetition of data and unverified
data
–
nWTLS
–is based on
the TLS (Transport Layer Security) protocol (former SSL, Secure Sockets Layer)
–optimized
for low-bandwidth communication channels