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<font size="-1"><font face="Arial">hi,<br>
<br>
i had reported this to zoiper team and they said they have
talked to FS team about this and its related to crypto naming
convention in the RFC standards and it should be fixed in FS so
eagerly waiting for the patch<br>
<br>
<br>
</font></font>
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</style>Regards,<br>
Bipin<br>
<br>
<br>
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<div class="moz-cite-prefix">-------- Original Message --------<br>
Subject: Re: [Freeswitch-users] SRTP crypto selection<br>
From: Bipin Patel <a class="moz-txt-link-rfc2396E" href="mailto:bipin@xbipin.com"><bipin@xbipin.com></a><br>
To: FreeSWITCH Users Help
<a class="moz-txt-link-rfc2396E" href="mailto:freeswitch-users@lists.freeswitch.org"><freeswitch-users@lists.freeswitch.org></a><br>
Date: 3/16/2018, 7:56:08 PM<br>
</div>
<blockquote type="cite"
cite="mid:cc4a9f27-9750-0711-30fd-f2bad6a2623b@xbipin.com">
<meta http-equiv="Content-Type" content="text/html;
charset=windows-1252">
<font size="-1"><font face="Arial">HI,<br>
<br>
it seems many other dialers also send the crypto in a similar
way so all cant be wrong i guess, should i file a bug request
in FS?<br>
<br>
<br>
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Bipin<br>
<br>
<br>
<hr> </div>
<div class="moz-cite-prefix">-------- Original Message --------<br>
Subject: Re: [Freeswitch-users] SRTP crypto selection<br>
From: Bipin Patel <a class="moz-txt-link-rfc2396E"
href="mailto:bipin@xbipin.com" moz-do-not-send="true"><bipin@xbipin.com></a><br>
To: FreeSWITCH Users Help <a class="moz-txt-link-rfc2396E"
href="mailto:freeswitch-users@lists.freeswitch.org"
moz-do-not-send="true"><freeswitch-users@lists.freeswitch.org></a><br>
Date: 3/16/2018, 12:22:37 AM<br>
</div>
<blockquote type="cite"
cite="mid:1622b541ee0.279b.b07ebdf329620b8089087c7205b03f01@xbipin.com">
<div dir="auto">Hi,</div>
<div dir="auto"><br>
</div>
<div dir="auto">Thanks for that link but the other thing is the
below line where zoiper sends a crypto that looks alike but
the placement of characters is different so doesn't match so
is zoiper doing it wrongly or it's a total different crypto
that FS doesn't support</div>
<div dir="auto"><br>
</div>
<div dir="auto"><span style="color: rgb(72, 72, 72);
font-family: Arial; font-size: small;">switch_core_media.c:1479
looking for crypto suite [AES_CM_192_HMAC_SHA1_32] in [4
AES_192_CM_HMAC_SHA1_32</span></div>
<div dir="auto"><span style="color: rgb(72, 72, 72);
font-family: Arial; font-size: small;"><br>
</span></div>
<div dir="auto"><span style="color: rgb(72, 72, 72);
font-family: Arial; font-size: small;"><br>
</span></div>
<div dir="auto"><br>
</div>
<div id="aqm-original" style="font-family: sans-serif;
font-size: 12pt; color: black;">
<!-- body start -->
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<div style="color: black;">
<p style="color: black; font-size: 10pt; font-family:
Arial, sans-serif; margin: 8pt 0;">On March 15, 2018
4:15:59 PM Jurijs Ivolga <a
class="moz-txt-link-rfc2396E"
href="mailto:jurijs.ivolga@gmail.com"
moz-do-not-send="true"><jurijs.ivolga@gmail.com></a>
wrote:</p>
<blockquote type="cite" class="gmail_quote" style="margin:
0 0 0 0.75ex; border-left: 1px solid #808080;
padding-left: 0.75ex;">
<div dir="ltr">
<div>
<div>Hi,<br>
<br>
</div>
Have you checked this:<br>
<br>
<a
href="https://freeswitch.org/confluence/display/FREESWITCH/rtp_secure_media"
moz-do-not-send="true">https://freeswitch.org/confluence/display/FREESWITCH/rtp_secure_media</a><br>
<br>
</div>
With kind regards,<br>
</div>
<div class="gmail_extra"><br clear="all">
<div>
<div class="gmail_signature"
data-smartmail="gmail_signature">
<div dir="ltr">Jurijs<br>
</div>
</div>
</div>
<br>
<div class="gmail_quote">On Thu, Mar 15, 2018 at 2:03
PM, Bipin Patel <span dir="ltr"><<a
href="mailto:bipin@xbipin.com" target="_blank"
moz-do-not-send="true">bipin@xbipin.com</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF"> <span><span
style="font-family: Arial;">hi,<br>
<br>
is it possible to force a selected crypto
for SRTP as i cant seem to find a way to
force a crypto to the user such that is
phone uses that for media, secondly i see
zoiper sends the below in SDP<br>
<br>
a=crypto:5 AES_256_CM_HMAC_SHA1_80
inline:854nJNIKSyhr0sJs+Ol+<wbr>Qv2eSqC2gnydK8iVHUAXb4Xx7oW8iM<wbr>M2jVi7R9xV6A==<br>
a=crypto:6 AES_256_CM_HMAC_SHA1_32
inline:854nJNIKSyhr0sJs+Ol+<wbr>Qv2eSqC2gnydK8iVHUAXb4Xx7oW8iM<wbr>M2jVi7R9xV6A==<br>
a=crypto:3 AES_192_CM_HMAC_SHA1_80
inline:854nJNIKSyhr0sJs+Ol+<wbr>Qv2eSqC2gnydK8iVHUAXb4Xx7oW8iM<wbr>M=<br>
a=crypto:4 AES_192_CM_HMAC_SHA1_32
inline:854nJNIKSyhr0sJs+Ol+<wbr>Qv2eSqC2gnydK8iVHUAXb4Xx7oW8iM<wbr>M=<br>
a=crypto:1 AES_CM_128_HMAC_SHA1_80
inline:854nJNIKSyhr0sJs+Ol+<wbr>Qv2eSqC2gnydK8iVHUAX<br>
a=crypto:2 AES_CM_128_HMAC_SHA1_32
inline:854nJNIKSyhr0sJs+Ol+<wbr>Qv2eSqC2gnydK8iVHUAX<br>
<br>
where as FS always uses the below only<br>
<br>
switch_core_media.c:1484 Found suite
AES_CM_128_HMAC_SHA1_80<br>
<br>
and also i noticed FS and zoiper have some
variations in crypto names such as<br>
<br>
switch_core_media.c:1479 looking for crypto
suite [AES_CM_192_HMAC_SHA1_32] in [4
AES_192_CM_HMAC_SHA1_32<br>
<br>
and this never matches and never used at all
(notice the placement of CM_192 in FS
whereas zoiper has 192_CM)<span
class="HOEnZb"><span style="color:
#888888;"><br>
<br>
<br>
</span></span></span></span><span
class="HOEnZb"><span style="color: #888888;">
<div
class="m_2056731061696904923moz-signature">--
<br>
Regards,<br>
Bipin<br>
<br>
<br>
<hr> </div>
</span></span></div>
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