The information leakage of a cryptographic implementation with a given degree of protection is evaluated in a typical situation when the signal-to-noise ratio is small. This is solved by expanding Kullback-Leibler divergence, entropy, and mutual information in terms of moments/cumulants.

翻译：具有一定程度保护的加密实施信息泄漏是在信号对噪音比率小的典型情况下进行评估的,通过扩大Kullback-Leiber差异、倍增和在时间/时间间隔方面相互提供信息来解决。