Validate decryption key length to decrypt function. am: 379b672b18 am: 66cbab1f13 am: 302d2e5cd4 am: ec57d22876 am: 5c338b682d am: 2616f56718 am: a74b3beb31
am: 36e2f9014a

Change-Id: If58cff7339c078d6663abe16efff13bb0bb7d658