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<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>
</font></font>
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</style>Regards,<br>
Bipin<br>
<br>
<br>
<hr>
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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, 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;">
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<div class="aqm-original-body">
<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"><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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