On 01/17/2012 09:05 AM, .. ink .. wrote:
using cryptsetup 1.4.1
test case below.
(please also read examples in docs/examples)
key1 keyfile is a text file with 64 characters in it.
key.cr <http://key.cr> is a 4.3MB mp3 file.
...
status = crypt_keyslot_add_by_volume_key( cd,CRYPT_ANY_SLOT,NULL,32,c,strlen( c ) );
I guess strlen(c) is wrong, it will stop on the first zero (mp3 is binary data, not C string).
What about use st.st_size here?
About limits - there is default/compiled one but you can always override
it through API, exactly as you did above.
(Also see cryptsetup --help - "Default compiled-in keyfile parameters", you have
to override keyfile size using --keyfile-size option if it is over compiled-in limit
in CLI command.)
Milan
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