♻️ refactor: extract ptth_diceware to its own crate

Cargo.lock

@@ -1205,6 +1205,13 @@ dependencies = [
  "tracing-futures",
 ]
 
+[[package]]
+name = "ptth_diceware"
+version = "0.1.0"
+dependencies = [
+ "rand",
+]
+
 [[package]]
 name = "ptth_file_server"
 version = "1.1.0"
@@ -1474,14 +1481,13 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.4"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
  "libc",
  "rand_chacha",
  "rand_core",
- "rand_hc",
 ]
 
 [[package]]
@@ -1503,15 +1509,6 @@ dependencies = [
  "getrandom",
 ]
 
-[[package]]
-name = "rand_hc"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
-dependencies = [
- "rand_core",
-]
-
 [[package]]
 name = "rcgen"
 version = "0.8.13"

crates/ptth_diceware/Cargo.toml

@@ -0,0 +1,9 @@
+[package]
+name = "ptth_diceware"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+rand = "0.8.5"

crates/ptth_diceware/src/main.rs

@@ -0,0 +1,41 @@
+use rand::Rng;
+
+pub fn main () {
+	let diceware = Diceware::default ();
+	
+	let random_words: Vec <&str> = (0..8)
+	.map (|_| diceware.random_word ())
+	.collect ();
+	
+	let passphrase = random_words.join (" ");
+	
+	println! ("{}", passphrase);
+}
+
+pub struct Diceware {
+	words: Vec <String>,
+}
+
+impl Default for Diceware {
+	fn default () -> Self 
+	{
+		let wordlist = include_str! ("eff_short_wordlist_1.txt");
+		let words: Vec <_> = wordlist.split ('\n').take (1253).map (str::to_string).collect ();
+		
+		assert_eq! (words.len (), 1253);
+		assert_eq! (words [0], "acid");
+		assert_eq! (words [600], "large");
+		assert_eq! (words [1252], "zoom");
+		
+		Self {
+			words,
+		}
+	}
+}
+
+impl Diceware {
+	pub fn random_word (&self) -> &str 
+	{
+		&self.words [rand::thread_rng ().gen_range (0..self.words.len ())]
+	}
+}