For Your Reference: ZRTP - The Technology behind Silent Phone
Most viewed articles
- Will Silent Phone’s protocol pass FIPS-140 validation?
- Why is the ZRTP protocol better?
- What about DTLS-SRTP? Why not use that?
- Why can’t I just use IPsec to encrypt my VoIP calls?
- How do ZRTP’s key continuity features compare with SSH?
- Authentication Keywords
- Why is it called ZRTP?
- Can ZRTP use a PKI (public key infrastructure)?
- Why do we need secure VoIP?
- Why do we need ZRTP if we already have SRTP? Isn’t SRTP good enough?
Articles
- Authentication Keywords
- Can ZRTP use a PKI (public key infrastructure)?
- Does Silent Phone protect against “social network analysis” and other forms of analysis based on traffic patterns?
- Does Silent Phone use Variable Bit Rate (VBR) codecs? Don’t they leak information?
- Does ZRTP slow down the VoIP call?
- Do Silent Phone and ZRTP encrypt Touch-Tone keypad DTMF tones?
- Do you support Elliptic Curve Diffie-Hellman?
- Exactly how does Silent Phone and ZRTP protect against a man-in-the-middle (MiTM) attack?
- How does ZRTP verify the identity of who you call?
- How do ZRTP’s key continuity features compare with SSH?
- Isn’t it a protocol layer violation to do the key management in the media instead of in the signaling?
- Is there an IETF RFC for the ZRTP protocol?
- Is the Short Authentication String (SAS) vulnerable to an attacker with voice impersonation capabilities?
- Is ZRTP CALEA compliant?
- Is ZRTP covered by any patents?
- Is ZRTP covered by any patents?
- My VoIP phone already uses SDES to negotiate keys. Is that safe?
- What about DTLS-SRTP? Why not use that?
- Why can’t I just use IPsec to encrypt my VoIP calls?
- Why do we need secure VoIP?
- Why do we need ZRTP if we already have SRTP? Isn’t SRTP good enough?
- Why is it called ZRTP?
- Why is the ZRTP protocol better?
- Will Silent Phone’s protocol pass FIPS-140 validation?
- Will the government attempt to stop VoIP encryption?