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Gore Anti-Tamper Wrap

The Gore anti-tamper wrap, used to detect physical intrusion into the IBM 4758's secure envelope. Note how the wrap is done around the inner can; looks almost like a Christmas present. The wrap is 4-layered, contains laser-drilled vias to join the layers, and is continuous, and nominally powered. When there is a break in the mesh, the device would immediately enter the "tampered" state, thus destroying the cryptographic material in the process.

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Uploaded on November 10, 2011
Taken on November 9, 2011