<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Hi Motty,</div><div><br></div>Isn't the whole point of the nonce in a SIP registration to ensure the secret doesn't go on the wire in plain-text? Is this not enough, or are you looking to hide the username too?<div><br></div><div>(if so, fair 'nuf, just wondering why :)</div><div><br><div><font size="2"></font>Pete</div><div><br></div><div>Ps, if so then I think TLS is the missing part of your equation.</div><div><br></div><div><div><div>On 29/10/2015, at 11:54 AM, Motty <<a href="mailto:motty.cruz@gmail.com">motty.cruz@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hello,<br>I am searching for a solution to encrypt authentication from Asterisk server to clients. Searching srtp seem to encrypt traffic, I just want client authentication with encryption. Can someone point to the right direction? has anybody used ZRTP? experience with ZRTP?<br><br>Thanks,<br>_motty</blockquote></div></div></div></body></html>