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A true random number generator based on parallel STT-MTJs | IEEE Conference Publication | IEEE Xplore

A true random number generator based on parallel STT-MTJs


Abstract:

Random number generators are an essential part of cryptographic systems. For the highest level of security, true random number generators (TRNG) are needed instead of pse...Show More

Abstract:

Random number generators are an essential part of cryptographic systems. For the highest level of security, true random number generators (TRNG) are needed instead of pseudorandom number generators. In this paper, the stochastic behavior of the spin transfer torque magnetic tunnel junction (STT-MTJ) is utilized to produce a TRNG design. A parallel structure with multiple MTJs is proposed that minimizes device variation effects. The design is validated in a 28-nm CMOS process with Monte Carlo simulation using a compact model of the MTJ. The National Institute of Standards and Technology (NIST) statistical test suite is used to verify the randomness quality when generating encryption keys for the Transport Layer Security or Secure Sockets Layer (TLS/SSL) cryptographic protocol. This design has a generation speed of 177.8 Mbit/s, and an energy of 0.64 pJ is consumed to set up the state in one MTJ.
Date of Conference: 27-31 March 2017
Date Added to IEEE Xplore: 15 May 2017
ISBN Information:
Electronic ISSN: 1558-1101
Conference Location: Lausanne, Switzerland

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