To dream of keys, denotes unexpected changes.
If the keys are lost, unpleasant adventures will affect you.
To find keys, brings domestic peace and brisk turns to business.
If she dreams of unlocking a door with a key, she will have a new lover and have over-confidence in him.
If she locks a door with a key, she will be successful in selecting a husband.
If she gives the key away, she will fail to use judgment in conversation and darken her own reputation.
Do you wish to hide something?
Are you locking something up or are you opening the door?
Last, but not least, does this dream have any sexual connotations?