Selected Areas in Cryptography | Zendy

Martin Hell | Zendy; Thomas Johansson | Zendy

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Selected Areas in Cryptography

Author(s) -

Martin Hell,

Thomas Johansson

Publication year - 2001

Publication title -

lecture notes in computer science

Language(s) - English

Resource type - Book series

SCImago Journal Rank - 0.249

H-Index - 400

eISSN - 1611-3349

pISSN - 0302-9743

DOI - 10.1007/3-540-44983-3

Subject(s) - computer science , block cipher , cryptography , key (lock) , stream cipher , relation (database) , block size , theoretical computer science , algorithm , block (permutation group theory) , cipher , encryption , mathematics , computer security , data mining , geometry

The voice privacy of IS-95 CDMA cellular system is analyzed in this paper. By exploiting information redundancy on the downlink traffic channel, it is shown that an eavesdropper can recover the voice privacy mask after eavesdropping the transmission on the downlink traffic channel for about one second. Thus, IS-95 CDMA voice privacy is vulnerable under ciphertext-only attacks.

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