[asterisk-bugs] [JIRA] (ASTERISK-25101) Asterisk provides an empty DTLS fingerprint in SDP

[Ben Langfeld (JIRA)]

Ben Langfeld created ASTERISK-25101:
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             Summary: Asterisk provides an empty DTLS fingerprint in SDP
                 Key: ASTERISK-25101
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-25101
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Channels/chan_sip/SRTP, Resources/res_rtp_asterisk, Resources/res_srtp
    Affects Versions: 11.17.1
         Environment: Linux asterisk 3.13.0-24-generic #46-Ubuntu SMP Thu Apr 10 19:11:08 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
            Reporter: Ben Langfeld


Using SIP.js as a client over ws:// with the attached sip.conf and extensions.conf, a call from Chrome 39.0.2171.95 (64-bit) receives a response from Asterisk with an SDP containing an empty fingerprint: "a=fingerprint:SHA-256\n".

The certificate in use can be found in asterisk.pem.

I found some related material, but which did not address this issue directly: https://issues.asterisk.org/jira/browse/ASTERISK-22961



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