000			00609nam a22002177a 4500
005			20220223101142.0
008			220223b |||||||| |||| 00| 0 eng d
020			_a9780123744791
041			_aeng
082			_a005.82 W367d3
100			_aWayner, Peter
245			_aDisappearing cryptography _binformation hiding : steganography & watermarking _cPeter Wayner
250			_a3rd ed.
260			_aAmsterdam _bMorgan Kaufmann Publishers _c2009
300			_axv, 439p.
650			_aComputer networks _xSecurity measures
650			_aCryptography
650			_aInternet
942			_cBK
960			_aa
999			_c23045 _d23045