Secret key cross-device distribution method and electronic device

The invention provides a key cross-device distribution method and electronic equipment, and the method comprises the steps: second electronic equipment can sign a challenge value through employing an equipment private key preset in a safety execution environment of the second electronic equipment, and generates a safety certificate, in this way, the first electronic device verifies the security certificate according to the device public key of the second electronic device acquired from the second electronic device; according to the method, the second electronic device is provided with the trusted execution environment, the first electronic device sends the target secret key to the second electronic device, and when the second electronic device passes verification, it can be proved that the second electronic device is provided with the secure execution environment, and the first electronic device sends the target secret key to the second electronic device. Therefore, the security of the key distribution proces