tfc_say(" -p: instead of using key, ask for password.");
tfc_say(" -k: use raw (%u byte) key instead of deriving it from arbitrary data.", TFC_U(TF_KEY_SIZE));
tfc_say(" -z: ask for key in plain C string form through password asker.");
tfc_say(" -p: instead of using key, ask for password.");
tfc_say(" -k: use raw (%u byte) key instead of deriving it from arbitrary data.", TFC_U(TF_KEY_SIZE));
tfc_say(" -z: ask for key in plain C string form through password asker.");