17:
93:
protocol AKA (Authentication and Key
Agreement); additionally, the BSF sends related queries to the Home Subscriber Server (HSS). Afterwards, UE and BSF agree on a session key to be used for encrypted data exchange with the application server (NAF). When the UE again connects to the NAF, the NAF is
89:
The BSF is introduced by the application server (NAF), after an unknown UE device is trying to get service access: the NAF refers the UE to the BSF. UE and BSF mutually authenticate via
94:
able to obtain the session key as well as user-specific data from the BSF and can start data exchange with the end device (UE), using the related session keys for encryption.
36:
of user equipment and servers unknown to each other and for 'bootstrapping' the exchange of secret session keys afterwards. This allows the use of additional services like
81:' is related to building a security relation with a previously unknown device first and to allow installing security elements (keys) in the device and the BSF afterwards.
167:
57:
103:
53:
150:
41:
135:
16:
102:
BSF is standardised in recent versions of 3GPP Standards: GAA (Generic
Authentication Architecture) and GBA (
67:
application server (NAF: Network
Application Function), e. g. for mobile TV; provides the service
29:
64:
user equipment (UE), e. g. a mobile cellular telephone; needs access to a specific service
33:
161:
78:
52:
The setup and function to deploy a generic security relation as described is called
70:
BSF (Bootstrapping Server
Function); arranges security relation between UE and NAF
73:
mobile network operator's Home
Subscriber Server (HSS); hosts user profiles.
37:
125:
115:
15:
90:
32:
which provides application-independent functions for mutual
140:
120:
145:
60:(GAA). In short, it consists of the following elements.
44:, which need authentication and secured communication.
130:
106:), and 3GPP TS 33.919, 33.220 24.109, 29.109
8:
146:Nexcom Systems (OEM commercial BSF supplier)
54:Generic Bootstrapping Architecture (GBA)
151:3GPP TS 24.109 version 8.3.0 Release 8
7:
168:Mobile telecommunications standards
58:Generic Authentication Architecture
26:Bootstrapping Server Function (BSF)
141:castLabs (commercial BSF supplier)
104:Generic Bootstrapping Architecture
14:
28:is an intermediary element in
1:
184:
77:In this case, the term '
21:
19:
126:Open Mobile Alliance
136:BSF in LTE network
22:
30:Cellular networks
175:
183:
182:
178:
177:
176:
174:
173:
172:
158:
157:
112:
100:
87:
50:
20:BSF Positioning
12:
11:
5:
181:
179:
171:
170:
160:
159:
156:
155:
154:
153:
148:
143:
133:
128:
123:
118:
111:
110:External links
108:
99:
96:
86:
83:
75:
74:
71:
68:
65:
49:
46:
34:authentication
13:
10:
9:
6:
4:
3:
2:
180:
169:
166:
165:
163:
152:
149:
147:
144:
142:
139:
138:
137:
134:
132:
129:
127:
124:
122:
119:
117:
114:
113:
109:
107:
105:
97:
95:
92:
84:
82:
80:
79:bootstrapping
72:
69:
66:
63:
62:
61:
59:
55:
48:GBA/GAA Setup
47:
45:
43:
39:
35:
31:
27:
18:
101:
88:
76:
51:
25:
23:
121:BMCO forum
116:DVB-H News
98:Standards
38:Mobile TV
162:Category
85:Workflow
131:3GPP
91:3GPP
40:and
56:or
42:PKI
164::
24:A
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