Encryption code generation using spin-torque NANO-oscillators
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United States of America Patent
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Jun 14, 2016
Grant Date -
Jan 14, 2016
app pub date -
Jul 8, 2014
filing date -
Jul 8, 2014
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Abstract
Embodiments include apparatuses, methods, and systems for generation of an encryption key. In various embodiments, an authentication circuit may include a first bank of spin-torque nano-oscillators (STNOs) including a plurality of STNOs to generate respective oscillation signals and a second bank of STNOs including a plurality of STNOs to generate respective oscillation signals. The authentication circuit may further include a key generation circuit to select a first oscillation signal from the plurality of oscillation signals associated with the first bank of STNOs and a second oscillation signal from the plurality of oscillation signals associated with the second bank of STNOs. The key generation circuit may generate an encryption key based on a frequency of the first oscillation signal and a frequency of the second oscillation signal.
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