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Suppose, we have Ethernet Frame (byte array). How do we check IP and TCP checksums by HNPacket?

April 26, 2017array byte checksums Ethernet frame hnpacket IP TCP

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Suppose, we have Ethernet Frame (byte array). How do we check IP and TCP checksums by HNPacket?

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A. You should analyze Ethernet Frame structure programmatically, receive pointers to IP and TCP header, and send them to InetCheckSum and TransportCheckSum methods. If the checksums are correct then the second checksum computation returns 0.