1. A communication unit which authenticates communications with a subscriber unit of a communication system, comprising:
- (a) receiver means for receiving an authentication message;
- (b) memory means for maintaining a non-arbitrary value which is a count of occurrences of a communication event; and
- (c) processor means for determining, through the use of the received authentication message and the maintained non-arbitrary value, whether a received service request is authentic.
2. The communication unit of claim 1 wherein the non-arbitrary value comprises a record of pseudo random communication events associated with the subscriber unit selected from the group consisting essentially of the number of telephone calls attributed to the subscriber unit, the number of channel handoffs attributed to the subscriber unit, a frame count assigned to the subscriber unit, and a slot count assigned to the subscriber unit.
3. A subscriber unit which communicates with an intermediate communication unit of a communication system for authenticating the subscriber unit, comprising:
- (a) input means for obtaining at least part of a plurality of dialed digits which uniquely identifies a target communication unit;
- (b) processor means for generating an authentication message as a function of the at least part of the plurality of dialed digits; and
- (c) transmitter means for transmitting the authentication message and the at least part of the plurality of dialed digits to the intermediate communication unit.
4. The subscriber unit of claim 3:
- (a) further comprising memory means for providing an identification number; and
- (b) wherein the processor means comprises means for generating the authentication message further as a function of the identification number.
5. The subscriber unit of claim 3 wherein the processor means composes means for generating the authentication message further as a function of a random number known to the subscriber unit.
6. The subscriber unit of claim 3 wherein the transmitter means transmits the authentication message during a communication session on a communication medium selected from the group consisting essentially of a radio communication link, satellite link, fiber optic cable, coaxial cable, and wireline.
7. A subscriber unit which communicates with an intermediate communication unit of a communication system for authenticating the subscriber unit, comprising:
- (a) input means for obtaining at least part of a plurality of information bits which uniquely identifies a target communication unit;
- (b) processor means for generating an authentication message as a function of the at least part of the plurality of information bits; and
- (c) transmitter means for transmitting the authentication message and the at least part of the plurality of information bits to the intermediate communication unit.
8. The subscriber unit of claim 7:
- (a) further comprising memory means for providing an identification number; and
- (b) wherein the processor means comprises means for generating the authentication message further as a function of the identification number.
9. The subscriber unit of claim 7 wherein the processor means comprises means for generating the authentication message further as a function of a random number known to the subscriber unit.
10. The subscriber unit of claim 7 wherein the transmitter means transmits the authentication message during a communication session on a communication medium selected from the group consisting essentially of a radio communication link, satellite link, fiber optic cable, coaxial cable, and wireline.
11. An intermediate communication unit which authenticates a subscriber unit of a communication system, comprising:
- (a) receiver means for receiving an authentication message and at least part of a plurality of information bits which uniquely identify a target communication unit, the authentication message being derived from the received information bits; and
- (b) processor means for determining, through the use of the received authentication message and the received information bits, whether a received service request is authentic.
12. The intermediate communication unit of claim 11:
- (a) further comprising memory means for providing information regarding an identification number; and
- (b) wherein the processor means for determining whether the received service request is authentic further utilizes the information regarding the identification number.
13. The intermediate communication unit of claim 11 wherein the received authentication message is further derived from a random number known to the intermediate communication unit.
14. The intermediate communication unit of claim 11 wherein the receiver means receives the authentication message during a communication session on a communication medium selected from the group consisting essentially of a radio communication link, satellite link, fiber optic cable, coaxial cable, and wireline.
15. The intermediate communication unit of claim 11 wherein the processor means further comprises:
- (a) means for granting communication between the subscriber unit and the target communication unit uniquely identified by the received information bits, if the received authentication message was substantially derived from the received information bits; and
- (b) means for providing output indicating that a multiple user is attempting to access the communication system, if the received authentication message was not substantially derived from the received information bits.
16. A method of authentication between a subscriber unit and a communication unit of a communication system, comprising:
- (a) maintaining a non-arbitrary value which is a count of occurrences of a communication event in the subscriber unit;
- (b) generating an authentication message in the subscriber unit as a function of at least part of the non-arbitrary value; and
- (c) transmitting the authentication message to the communication unit.
17. The method of claim 16 wherein the non-arbitrary value comprises a record of pseudo random communication events associated with the subscriber unit selected from the group consisting essentially of the number of telephone calls attributed to the subscriber unit, the number of channel handoffs attributed to the subscriber unit, a frame count assigned to the subscriber unit, and a slot count assigned to the subscriber unit.
18. A method of authentication between a subscriber unit and a communication unit of a communication system, comprising:
- (a) receiving an authentication message at the communication unit;
- (b) maintaining a non-arbitrary value which is a count of occurrences of a communication event in the communication unit; and
- (c) determining in the communication unit, through the use of the received authentication message and the maintained non-arbitrary value, whether a received service request is authentic.
19. The method of claim 18 wherein the non-arbitrary value comprises a record of pseudo random communication events associated with the subscriber unit selected from the group consisting essentially of the number of telephone calls attributed to the subscriber unit, the number of channel handoffs attributed to the subscriber unit, a frame count assigned to the subscriber unit, and a slot count assigned to the subscriber unit.
20. A method of authenticating a subscriber unit in a communication system, comprising:
- (a) providing the subscriber unit with at least part of a plurality of digits which uniquely identify a target communication unit;
- (b) generating an authentication message in the subscriber unit as a function of the at least part of the plurality of digits; and
- (c) transmitting the authentication message and the at least part of the plurality of digits from the subscriber unit to an intermediate communication unit.
21. The method of claim 20 wherein:
- (a) the subscriber unit is provided with an identification number; and
- (b) the authentication message is generated in the subscriber unit further as a function of the identification number.
22. The method of claim 20 wherein the authentication message is generated in the subscriber unit further as a function of a random number known to the subscriber unit.
23. The method of claim 20 wherein the authentication message is transmitted during a communication session on a communication medium selected from the group consisting essentially of a radio communication link, satellite link, fiber optic cable, coaxial cable, and wireline.
24. A method of authenticating a subscriber unit in a communication system, comprising:
- (a) receiving in an intermediate communication unit an authentication message and at least part of a plurality of digits which uniquely identifies a target communication unit, the authentication message being derived from the received digits; and
- (b) determining in the intermediate communication unit, through the use of the received authentication message and the received digits, whether a received service request is authentic.
25. The method of claim 24 wherein:
- (a) the intermediate communication unit is provided with information regarding an identification number; and
- (b) the determination in the intermediate communication unit of whether a received service request is authentic further occurs through the use of the information regarding the identification number.
26. The method of claim 24 wherein the authentication message is further derived from a random number known to the intermediate communication unit.
27. The method of claim 24 wherein the authentication message is received during a communication session on a communication medium selected from the group consisting essentially of a radio communication link, satellite link, fiber optic cable, coaxial cable, and wireline.
28. The method of claim 24 wherein the step of determining further comprises:
- (a) granting communication between the subscriber unit and the target communication unit uniquely identified by the received dialed digits, if the received authentication message was substantially derived from the received dialed digits; and
- (b) providing output indicating thin a multiple user is attempting to access the communication system, if the received authentication message was not substantially derived from the received digits.
29. A method of authenticating a subscriber unit in a communication system, comprising:
- (a) providing the subscriber unit with at least part of a plurality of information bits which uniquely identify a target communication unit;
- (b) generating an authentication message in the subscriber unit as a function of the at least part of the plurality of information bits; and
- (c) transmitting the authentication message and the at least part of the plurality of information bits from the subscriber unit to the communication system.
30. The method of claim 29 wherein:
- (a) the subscriber unit is provided with an identification number; and
- (b) the authentication message is generated in the subscriber unit further as a function of the identification number.
31. The method of claim 29 wherein the authentication message is generated in the subscriber unit further as a function of a random number known to the subscriber unit.
32. The method of claim 29 wherein the authentication message is transmitted during a communication session on a communication medium selected from the group consisting essentially of a radio communication link, satellite link, fiber optic cable, coaxial cable, and wireline.
33. A method of authenticating a subscriber unit in a communication system, comprising:
- (a) receiving in an intermediate communication unit an authentication message and at least part of a plurality of information bits which uniquely identifies a target communication unit, the authentication message being derived from the received information bits; and
- (b) determining in the intermediate communication unit, through the use of the received authentication message and the received at least part of the plurality of information bits, whether a received service request is authentic.
34. The method of claim 33 wherein:
- (a) the intermediate communication unit is provided with information regarding an identification number; and
- (b) the determination in the intermediate communication unit of whether a received service request is authentic further occurs through the use of the information regarding the identification number.
35. The method of claim 33 wherein the authentication message is further derived from a random number known to the intermediate communication unit.
36. The method of claim 33 wherein the authentication message is received during a communication session on a communication medium selected from the group consisting essentially of a radio communication link, satellite link, fiber optic cable, coaxial cable, and wireline.
37. The method of claim 33 wherein the step of determining further comprises:
- (a) granting communication between the subscriber unit and the target communication unit uniquely identified by the received information bits, if the received authentication message was substantially derived from the received information bits; and
- (b) providing output indicating that a multiple user is attempting to access the communication system, if the received authentication message was not substantially derived from the received digits.
38. A subscriber unit which authenticates communications with a communication unit of a communication system, comprising:
- (a) memory means for maintaining a non-arbitrary value which is a count of occurrences of a communication event;
- (b) processor means for generating an authentication message as a function of at least part of the non-arbitrary value; and
- (c) transmitter means for transmitting the authentication message to the communication unit.
39. The subscriber unit of claim 38 wherein the non-arbitrary value comprises a record of pseudo random communication events associated with the subscriber unit selected from the group consisting essentially of the number of telephone calls attributed to the subscriber unit, the number of channel handoffs attributed to the subscriber unit, a frame count assigned to the subscriber unit, and a slot count assigned to the subscriber unit.
40. An intermediate communication unit which authenticates a subscriber unit of a communication system, comprising:
- (a) a receiver unit receiving an authentication message and at least part of a plurality of dialed digits which uniquely identify a target communication unit, the authentication message being derived from the received dialed digits; and
- (b) a processor determining, through the use of the received authentication message and the received dialed digits, whether a received service request is authentic.
41. The intermediate communication unit of claim 40:
- (a) further comprising memory means for providing information regarding an identification number; and
- (b) wherein the processor determining whether the received service request is authentic further utilizes the information regarding the identification number.
42. The intermediate communication unit of claim 40 wherein the received authentication message is further derived from a random number known to the communication unit.
43. The intermediate communication unit of claim 40 wherein the receiver unit receives the authentication message during a communication session on a communication medium selected from the group consisting essentially of a radio communication link, satellite link, fiber optic cable, coaxial cable, and wireline.
44. The intermediate communication unit of claim 40 wherein the processor further comprises:
- (a) means for granting communication between the subscriber unit and the target communication unit uniquely identified by the received dialed digits, if the received authentication message was substantially derived from the received dialed digits; and
- (b) means for providing output indicating that a multiple user is attempting to access the communication system, if the received authentication message was not substantially derived from the received dialed digits.