Reviewed-by: valeriep

Summary: add and enforce upper limit for input size for AES cipher in GCM mode
Reviewed-by: mullan

Summary: Make sure that ISE is thrown when updateAAD is called after update.
Reviewed-by: mullan

Reviewed-by: xuelei, mullan

Summary: Fixed error in calculating data sizes when using feedback modes
Reviewed-by: xuelei

Summary: Change GCM decryption to not return result until tag verification passed
Reviewed-by: xuelei

Reviewed-by: iris, mduigou, jjg

Summary: Added implementation for GCM mode under AES cipher
Reviewed-by: weijun