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Prototyping a cryptographically secured archive of captured network packets for later analysis and for evidentiary purposes.
In the past year, CITI built a 10 Mbps Advanced Packet Vault (APV), a cryptographically secured archiver of network packet data. The APV captures, cryptographically seals, and stores network packets on magnetic tape for later analysis and possible evidentiary purposes. By encrypting each packet with a key dependent on its source and destination IP addresses, the APV permits selected traffic to be examined without revealing other traffic. Our 10 Mbps implementation is open-source and based on OpenBSD.
