tfc_say(" -z: ask for key in plain C string form through password asker.");
tfc_say(" -x: ask for key in hex string form through password asker.");
tfc_say(" -K <file>: generate key from keyfile or password and write it to file.");
- tfc_say(" -T: enable tfcrypt1 old mode (useful only for old encryptions).");
- tfc_say(" -t <file>: use tweak from file (useful only for old encryptions).");
+ tfc_say(" -t <file>: use (raw) tweak from file.");
tfc_say(" -w: overwrite source file. If not file, ignored.");
tfc_say(" -n TURNS: number of turns to perform in Skein function.");
tfc_say(" Default is always defined when building tfcrypt.");
tfc_say(" xkey=val: take only val bytes from user keyfile.");
tfc_say(" okey=val: seek the key before reading it (usually a device).");
tfc_say(" xctr=val: specify size in bytes of initial counter prepended or read.");
+ tfc_say(" fullkey: occupy tweak space by key space, extending key size by 256 bits.");
tfc_say(" -P: plain IO mode: disable encryption/decryption code at all.");
tfc_say("\n");
tfc_say("Default is to ask for password, then encrypt stdin into stdout.");