Data transmission method and device, electronic equipment and storage medium

Abstract

The invention relates to a data transmission method and device, electronic equipment and a storage medium. The method comprises the following steps: a first device sends an authentication request to a second device; the authentication request is used for requesting the second equipment to prove that the second equipment belongs to confidential equipment; receiving certification information sent by the second equipment; the certification information is generated by the second equipment and is used for certifying that the second equipment belongs to the confidential equipment, and the certification information comprises first secret key information required in a data transmission process; the certification information is verified; and under the condition that the certification information is successfully verified, data transmission with the second equipment is carried out based on the first secret key information. According to the method, the first key information required in the data transmission process is added into the proof information, so that the confidentiality and integrity of the first key information can be ensured, namely, the credibility of the key negotiation process is ensured, and the security of the data transmission process is improved.

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