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A kind of encryption method for multimedia data information which comprises an encrypt/decrypt table composed of an index and encryption method. Each index is associated with a kind of encryption method. Employing the encrypt/decrypt table to proceed the encrypt/decrypt on the key data with one or multiple encryption method in the table so as to increase the reliability. During the encrypt/decrypt process, the encrypt/decrypt table should be accessed simultaneously so as the key data location of multimedia data and the index for encrypt/decrypt for the encryption and decryption process. This can increase the reliability and security of the encrypted data.
TW087109361A1998-06-121998-06-12Encryption method for multimedia data information
TW367475B
(en)
Data processing system, method and device, computer-readable program recording medium having recorded thereon a data processing program, and recording medium in a data processing system