Verify ciphertext for v2 encryption policies that use AES-256-XTS to
encrypt file contents and AES-256-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>