作者: Ajvad Rahman , P. P. Amritha
DOI: 10.1007/978-81-322-2135-7_52
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摘要: This paper prevents the steganographic method for IP telephony called transcoding steganography (TranSteg). Typically, in TranSteg, it is overt data that to compress make space steganogram. TranSteg finds appropriate codec will result voice quality similar original. In signature-based system, signature of payload appended packet provide integrity. The becomes invalid when there some change data. detects hidden communication between a VoIP call. scheme concept described this paper.