短語(yǔ)詞組短語(yǔ)BE Broadcast Encryption 廣播加密broadcast encryption schemes 廣播加密方案broadcast encryption scheme 廣播加密方案Public Key Broadcast Encryption 公鈅廣播加密Identity -based Broadcast Encryption 基於身份廣播加密ID -based threshold broadcast encryption 基於身份的門(mén)限廣播加密encryption broadcast 加密廣播 返回 broadcast encryption