29 May
2009
29 May
'09
10:02 a.m.
After ZRTP negotiation is complete (the ZRTP state machine has entered the "secure" state), I get a number of lines in the log as follows (FreeSWITCH rev. 13501): 2009-05-29 16:43:19 [DEBUG] switch_rtp.c:538 zrtp_logger() [zrtp protoco]: ERROR! Decrypt failed. ID=14:DH s=SRTP authentication failure (RTP size=172 ssrc=2760088424 seq=53043/53043 pt=9) They all have a time stamp of shortly after the end of the protocol negotiation. Is this normal, or a sign of trouble? The call itself is fine, and ZRTP does not leave the secure state until the end of the call: 2009-05-29 16:43:30 [DEBUG] switch_rtp.c:538 zrtp_logger() [ zrtp engine]: STOP STREAM ID=14 mode=DH state=SECURE. Are others seeing similar behaviour?