摘要
In traditional secret sharing schemes,all shared images containing secret segments are needed to recover secret information.In this paper,a reversible data hiding scheme based on Shamir secret sharing is used.Secret information can be recovered even if only part of the encrypted sharing is owned.This method can reduce the vulnerability of traditional encryption sharing schemes to attack.Before uploading the secret information to the cloud server,embed the encrypted n segments of secret information into n different pictures.The receiver downloads t images from the cloud server(t<n),extracts the encrypted information using the watermark extraction algorithm,and obtains the original secret information after decryption through Shamir secret sharing.
