Uncovering Spoken Phrases in Encrypted Voice over IP Conversations
ACM Trans. Inf. Syst. Secur., ArticleNo.35, 2010.
Although Voice over IP (VoIP) is rapidly being adopted, its security implications are not yet fully understood. Since VoIP calls may traverse untrusted networks, packets should be encrypted to ensure confidentiality. However, we show that it is possible to identify the phrases spoken within encrypted VoIP calls when the audio is encoded u...More
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