Verify ciphertext for v2 encryption policies that use AES-128-CBC-ESSIV
to encrypt file contents and AES-128-CTS-CBC to encrypt file names.
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>