Method for realizing safe transaction of touch terminal

Method for realizing safe transaction of touch terminal

  • CN 103,236,012 B
  • Filed: 04/26/2013
  • Issued: 05/17/2017
  • Est. Priority Date: 04/26/2013
  • Status: Active Grant
First Claim
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1. a kind of method for realizing touch terminal Secure Transaction, it is characterised in that:

  • The method of commerce is:

    Input method is installed on touch terminal before transaction, the input method of the installation is bundled on transaction program;

    The input method of binding is called when touch terminal is traded, is traded if calling successfully, otherwise refusal transaction;

    InstituteThe method of commerce stated is additionally included in when being traded, and successful input method will be called to be set as current input method, and forbids switchingInput method;

    Described touch terminal installs input method by the way of digital signature, and step is as follows:

    S1:

    Packet encryption is installed to input method with private key;

    S2:

    Retain the public key of decryption input method installation kit on touch terminal;

    S3:

    When installing input method, using the public key decryptions input method installation kit on touch terminal, successful decryption then marks the inputMethod is the input method with transaction program binding;

    Otherwise it is labeled as common input method or refusal is installed;

    Described method also includes, when transaction program terminates or is switched to ordinary procedure by transaction program, the input method of bindingIt is switched to common input method;

    When transaction program starts or is switched to transaction program by ordinary procedure, common input method is switched toThe input method of binding.

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