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by frippertronics
732 days ago
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AES-GCM is also used in the Bluetooth Low Energy protocol, which is commonly used for IoT-purposes. As a result it’s more often than not available as a hardware-accelerated peripheral, saving both time and power. There’s also hardware-RNG available in those cases. I think one reason nonce-reuse is a problem in IoT is lack of experience and awareness. Up until relatively recently a lot of embedded development was constrained to just offline devices, so cryptography wasn’t really required. |
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