'IPsec server in Python using scapy lib
Hello I would like to build a P2P application using IPsec in communication. I wanted to use scapa to generate packets, but have trouble receiving and decoding them. The processor on the 2nd machine shows that ESP packets are arriving but I am not able to process them in the code. I would be grateful for help.
I used this code to try send messenges
sa = SecurityAssociation(ESP, spi=0xdeadbeef, crypt_algo='AES-CBC', crypt_key=b'-\xbd\xb6Q\xa6\x7f6c\x08\xb7\x0coU\xcfg\xcd')
p = IP(src='192.168.1.1', dst='192.168.1.2')
p /= UDP(sport=81, dport=80)
p /= Raw('testdata')
p = IP(raw(p))
e = sa.encrypt(p)
send(e)
Sources
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