security: add ed25519 key type
security: add ed25519 key type

add ed25519 key type

jeongarmy/TizenRT,an4967/TizenRT,sunghan-chang/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,an4967/TizenRT,Samsung/TizenRT,pillip8282/TizenRT,sunghan-chang/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,Samsung/TizenRT,Samsung/TizenRT,sunghan-chang/TizenRT,jeongchanKim/TizenRT,jeongarmy/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,junmin-kim/TizenRT,jeongarmy/TizenRT,an4967/TizenRT,sunghan-chang/TizenRT,pillip8282/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,junmin-kim/TizenRT,pillip8282/TizenRT,junmin-kim/TizenRT,jeongarmy/TizenRT,jeongchanKim/TizenRT,junmin-kim/TizenRT,pillip8282/TizenRT,jeongchanKim/TizenRT,Samsung/TizenRT,junmin-kim/TizenRT,jeongchanKim/TizenRT,sunghan-chang/TizenRT,jeongarmy/TizenRT,an4967/TizenRT,junmin-kim/TizenRT,an4967/TizenRT,jeongarmy/TizenRT,pillip8282/TizenRT,jeongchanKim/TizenRT,Samsung/TizenRT,pillip8282/TizenRT,Samsung/TizenRT,Samsung/TizenRT