短語(yǔ)詞組短語(yǔ)deniable encryption 可拒加密;可否定加密Deniable Ring Signature 可否認(rèn)環(huán)簽名concurrent deniable authentication 竝行可否認(rèn)認(rèn)証deniable authentication protocol 可否認(rèn)認(rèn)証方案 返回 deniable