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
Patent Images

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:


    Packet encryption is installed to input method with private key;


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


    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.

View all claims

    Thank you for your feedback