SPA-Based Adaptive Chosen-Ciphertext Attack on RSA Implementation

  title={SPA-Based Adaptive Chosen-Ciphertext Attack on RSA Implementation},
  author={Roman Novak},
  booktitle={Public Key Cryptography},
We describe an adaptive chosen-ciphertext attack on a smart card implementation of the RSA decryption algorithm in the presence of side-channel information leakage. We studied the information leakage through power consumption variation. Simple power analysis (SPA) of the smart card that is widely used for secure Internet banking, Web access and remote access to corporate networks, revealed macro characteristics caused by improper implementation of Chinese remaindering. The findings can be used… CONTINUE READING
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