Hi, everyone
I am trying to implement Diffie-Hellman key exchange protocol on two node in
ad hoc network.
I create a new kind of agent and new application.
However, when a packet of public key is broadcast in the network, it shows
the following message
"Problem: *** glibc detected *** bin/ns: free(): invalid next size (normal):
0x0a8cc1a0 ***."
Then, the simulation is crashed.
I am wondering if this is a problem about packet transmission.
I upload my source code in the attachment of this message.
(I am afraid that it is cumbersome to post the code in the message. So, i
link these files.)
http://old.nabble.com/file/p33480854/bbcast-packet.h bbcast-packet.h 
http://old.nabble.com/file/p33480854/bbcast-packet.cc bbcast-packet.cc 
http://old.nabble.com/file/p33480854/bdagent.h bdagent.h 
http://old.nabble.com/file/p33480854/bdagent.cc bdagent.cc 
http://old.nabble.com/file/p33480854/bdapp.h bdapp.h 
http://old.nabble.com/file/p33480854/bdapp.cc bdapp.cc 
Would everyone please give me some suggestion about this problem?
PS: bbcast-packet defines the structure of packet used for broadcast public
bdagent handles the procedures of packet transmission(packet broadcast).
bdapp generates a public key and secret key of a node.

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