esp Directory Reference

Files
	esp.cpp
	ESP (RFC 4303) packet transform with AES-256-GCM (RFC 4106) - see esp.h.
	esp.h
	ESP (RFC 4303) packet transform with AES-256-GCM (RFC 4106) - the IPsec datapath's crypto core.
	ipsec_db.cpp
	IPsec SPD + SAD (RFC 4301) - see ipsec_db.h.
	ipsec_db.h
	IPsec Security Policy Database (SPD) + Security Association Database (SAD) - RFC 4301.