Medical data transmission authentication server according to an embodiment of the present invention, the medical data transmission authentication information receiving unit for receiving medical data transmission authentication information including the sender information, recipient information and identification information on the medical data to be transmitted from the medical data transmission terminal And based on the sender information, whether the medical data transmission terminal has a right to transmit the medical data identified by the medical data identification information to be transmitted, and the medical data receiving terminal defined by the receiver information based on the receiver information. In accordance with the determination result of the transmission authentication determination unit and the transmission authentication determination unit for determining whether the receiving authority to receive the medical data, and transmits the encryption key for the medical data to be transmitted to the medical data transmission terminal, the medical data To the receiving terminal It may include an encryption key transmission unit for transmitting a decryption key for the encryption key.
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