Available Models: Nokia 6680 /70 N

Encryption Software Random master key creation per contact

-Random master key change every call start
-256 bit random session key, replaced every second

Important:

Encryption Software Requirements

-Tri band GSM (900Mhz, 1800Mhz, 1900Mhz)
-Data call (CSD)
-Ultra strong asymmetric RSA encryption
-1024 bit master key
-AES data protection algorithm implemented
-Diffie-Hellman Key exchange algorithm