Journal
IEEE COMMUNICATIONS LETTERS
Volume 4, Issue 2, Pages 52-55Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/4234.824754
Keywords
cryptographic key distribution; secure transmission
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A new technique for secure information transmission in a mobile environment is described. This technique uses the short term reciprocity of the radio channel so that information is intelligible only to an intended receiver. The exchange of information does not require the availability of a common secure key between two users; however, the proposed technique can also be used for cryptographic key agreement between two users.
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