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System, terminal, and method for digital electrocardiogram authentication

  • US 9,750,435 B2
  • Filed: 06/09/2016
  • Issued: 09/05/2017
  • Est. Priority Date: 06/11/2015
  • Status: Active Grant
First Claim
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1. A method for a client terminal to be issued with a certificate from a key distribution center (KDC) using an electrocardiogram (ECG), the method comprising:

  • collecting, by the client terminal, analog ECG waveform information in which upward pulses and downward pulses are displayed as a continuous curve;

    quantizing the analog ECG waveform information so that the analog ECG waveform information has discontinuous and unique ECG information values;

    binarizing the ECG information values which has become unique by the quantization to generate a binary code;

    changing the binary code into a private key and encrypting the private key and a public key;

    transmitting, by the client terminal, the encrypted private and public keys to a key distribution center (KDC);

    decrypting the encrypted public key, in the KDC, to generate the public key by using a Rivest-Shamir-Adleman (RSA)/Elliptic Curve Cryptosystem (ECC) algorithm;

    transmitting the public key to the client terminal from the KDC; and

    executing authentication, by the client terminal, using the public key.

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