Use shorter passphrase words, make them less than 32-characters long

src/cmd/arg/gen_passphrase.rs

@@ -1,16 +1,26 @@
-use chbs;
+use chbs::{
+    config::BasicConfig,
+    prelude::*,
+    word::WordList,
+};
 use clap::Arg;
 
 use super::{CmdArg, CmdArgFlag};
 
+/// How many words the passphrase should consist of.
+const PASSPHRASE_WORDS: usize = 5;
+
 /// The passphrase generation argument.
 pub struct ArgGenPassphrase {}
 
 impl ArgGenPassphrase {
     /// Generate a cryptographically secure passphrase that is easily
     /// rememberable using diceware.
     pub fn gen_passphrase() -> String {
-        chbs::passphrase()
+        let mut config = BasicConfig::default();
+        config.words = PASSPHRASE_WORDS;
+        config.word_provider = WordList::builtin_eff_general_short().sampler();
+        config.to_scheme().generate()
     }
 }