Encrypted data authorization method, storage medium, program product and related equipment

According to the encrypted data authorization method, the storage medium, the program product and the related equipment, a data owning terminal encrypts an original plaintext based on a public parameter to obtain original encrypted data; generating a re-encryption key based on a first private key of the data owning terminal, a second private key of the authorized terminal and second identification information of the authorized terminal, and transmitting the original encrypted data set and the re-encryption key to the proxy terminal; the proxy terminal generates a re-encryption ciphertext according to the re-encryption key, and transmits the re-encryption ciphertext and the original encryption data set to the authorized terminal; and the authorized terminal decrypts the original encrypted data based on the authorization information matched with the authorization decryption relationship and the re-encryption key. The agent terminal directly forwards the original encrypted data, the original encrypted data does