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[email protected]English • 2 years ago

Godlike Hack Steals Encrypted Keys by Watching LED From 16 Meters Away

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Godlike Hack Steals Encrypted Keys by Watching LED From 16 Meters Away

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[email protected]English • 2 years ago

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Researchers say they can steal encrypted keys by analyzing the glow that a power LED emits in a device, such as a smart card reader.

Link to the paper: https://eprint.iacr.org/2023/923

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1•2 years ago
Reminds me of a story from nearly a decade ago where researchers were able to decrypt an RSA key by recording a CPU with a phone.

The attack can extract full 4096-bit RSA decryption keys from laptop computers (of various models), within an hour, using the sound generated by the computer during the decryption of some chosen ciphertexts

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