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Location Privacy with Unmodified RR Signaling (2) Route-Optimized Binding Update to CN (1) make the home address invisible to onlookers by replacing the real HoA with a Pseudo HoA CN generates after getting HoTI Privacy_Keygen_Token = First (64, Kcn(HoA set to all zeros | nonce | 0)) MN computes after getting HoT Kpm = SHA1 (Privacy_Keygen_Token | care-of keygen token) and Pseudo_Home_Address = String XOR HoA where, String = First (128, HMAC_SHA1 (Kpm, (CoA | Home Nonce Index | Care-of Nonce Index))) |