Number verification method, terminal and system based on super SIM (Subscriber Identity Module) card

Abstract

The invention relates to a number verification method, terminal and system based on a super SIM (Subscriber Identity Module) card. The method comprises the following steps: when a calling terminal calls out a call, sending call information corresponding to the call out to a super SIM (Subscriber Identity Module) card, and receiving signature call information after a private key pre-stored in the super SIM card performs signature on the call information; and transmitting the signature call information to a called terminal, acquiring the number identifier and the signature call information in the incoming call signaling by the called terminal, verifying the signature call information by taking the number identifier as a public key, and judging that the number identifier of the incoming call signaling is legal information when the verification is passed. According to the method and the device, the number pretending phenomenon can be effectively restrained, the called terminal can also verify the calling information by taking the incoming call number as a public key besides knowing the phone number displayed by the incoming call, so that whether the incoming call number is the number of the SIM card entity bound with the calling terminal or not is determined.

Description

technical field [0001] The present application relates to the field of communication technologies, and in particular, to a method, terminal and system for number verification based on a super SIM card. Background technique [0002] The phenomenon of phone number impersonation has a long history. Phone number impersonation refers to the behavior of criminals to harass the public or conduct telecommunications fraud by pretending to be someone else's phone number by means of number changing software or fake base stations to make phone calls. Since the traditional telephone communication network only transmits the telephone number directly, it is impossible to identify whether the telephone number has been impersonated, so that the phenomenon of impersonation of the telephone number cannot be well contained. [0003] Most of the methods for preventing impersonation of phone numbers in the prior art are based on the operator's network. Whether the number is a real number, the di...

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However, this method cannot guarantee the success rate of each judgment

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