[Snapshot14w04x]Dungeon Command

/blockdata ~ ~-4 ~ {Lock:}
/blockdata ~ ~2 ~ {Lock:"qawsedrftgyhujikolp"}

/give @p minecraft:stick 1 0 {display:{Name:"Chest Key"}}
/blockdata ~ ~2 ~ {Lock:"Chest Key"}

/give @p minecraft:stick 1 0 {display:{Name:"DoorKey"}}
/clear @p[x=1095,y=59,z=-89,dx=1,dy=0,dz=0] minecraft:stick 0 0 {display:{Name:"DoorKey"}}

http://www.nicovideo.jp/watch/sm22751542