dmcrypt aes-plain aes-cbc-plain
# empty cipher
-dmcrypt null cipher_null-ecb-null
+dmcrypt null cipher_null-ecb
dmcrypt cipher_null cipher_null-cbc-plain
-dmcrypt cipher_null-ecb-null
+dmcrypt cipher_null-ecb
# codebook doesn't support IV at all
for cipher in $CIPHERS ; do