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Speech Encryption Scheme Based on Ciphertext Policy Hierarchical Attribute in Cloud Storage
2021
Security and Communication Networks
In order to ensure the confidentiality and secure sharing of speech data, and to solve the problems of slow deployment of attribute encryption systems and fine-grained access control in cloud storage, a speech encryption scheme based on ciphertext policy hierarchical attributes was proposed. First, perform hierarchical processing of the attributes of the speech data to reflect the hierarchical structure and integrate the hierarchical access structure into a single-access structure. Second, use
doi:10.1155/2021/9606240
fatcat:hx7dc6ek2ncctgiw67zorq6yra