CA閿侊紝鍏ㄧО涓篊ertificate Authority閿侊紝鏄竴绉嶇敤浜庢暟瀛楄瘉涔﹁璇佹満鏋勶紙CA锛夌殑纭欢璁惧銆傚畠涓昏鐢ㄤ簬淇濇姢鍜岀鐞嗘暟瀛楄瘉涔︼紝纭繚鍏跺畨鍏ㄦ€у拰鍙潬