I'm trying to create AES-256 disk images using hdiutil. According to the MAN page there is a mechanism for specifying the encryption method, but no information is provided on anything but the default, AES-128.
" -encryption [crypto_method]
specify a particular type of encryption or, if not speci-
fied, the default CEncryptedEncoding. CEncryptedEncoding
utilizes the AES cipher with a 128 bit key."
Can anyone tell me how to use the AES-256 key?
Thanks,
bd