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Multiply Constant-Weight Codes and the Reliability of Loop Physically Unclonable Functions

机译:等重码乘以和循环物理上不可克隆的函数的可靠性

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摘要

We introduce the class of multiply constant-weight codes to improve the reliability of certain physically unclonable function response, and extend classical coding methods to construct multiply constant-weight codes from known -ary and constant-weight codes. We derive analogs of Johnson bounds and give constructions showing these bounds to be asymptotically tight up to a constant factor under certain conditions. We also examine the rates of multiply constant-weight codes and demonstrate that these rates are the same as those of constant-weight codes of corresponding parameters.
机译:我们介绍了乘以恒定权重代码的类,以提高某些物理上不可克隆的函数响应的可靠性,并扩展了经典的编码方法,以从已知的进制和恒定权重代码构造乘以恒定权重代码。我们推导了Johnson边界的类似物,并给出了表明这些边界在某些条件下渐近严格到恒定因子的构造。我们还研究了乘以恒定权重代码的比率,并证明了这些比率与相应参数的恒定权重代码的比率相同。

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