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PHYSICAL UNCLONABLE FUNCTION BASED TRUE RANDOM NUMBER GENERATOR, METHOD FOR GENERATING TRUE RANDOM NUMBERS, AND ASSOCIATED ELECTRONIC DEVICE
PHYSICAL UNCLONABLE FUNCTION BASED TRUE RANDOM NUMBER GENERATOR, METHOD FOR GENERATING TRUE RANDOM NUMBERS, AND ASSOCIATED ELECTRONIC DEVICE
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机译:基于物理不可渗透功能的真正随机数发生器,用于生成真正随机数的方法,以及相关的电子设备
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摘要
A Physical Unclonable Function (PUF) based true random number generator (TRNG), a method for generating true random numbers, and an associated electronic device are provided. The PUF based TRNG may include a first obfuscation circuit, a cryptography circuit coupled to the first obfuscation circuit, and a second obfuscation circuit coupled to the cryptography circuit. The first obfuscation circuit obtains a first PUF value from a PUF pool of the electronic device, and performs a first obfuscation function on a preliminary seed based on the first PUF value to generate a final seed. The cryptography circuit utilizes the final seed as a key of a cryptography function to generate preliminary random numbers. The second obfuscation circuit obtains a second PUF value from the PUF pool, and performs a second obfuscation function on the preliminary random numbers based on the second PUF value to generate final random numbers.
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