initial commit

.gitignore

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+/target

Cargo.lock

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Cargo.toml

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+[package]
+authors = ["ReactorScram"]
+description = "A diceware passphrase generator"
+edition = "2021"
+license = "AGPL-3.0"
+name = "division_of_one"
+repository = "https://six-five-six-four.com/git/reactor/division_of_one"
+version = "0.1.0"
+
+[dependencies]
+rand = "0.8.5"
+
+[profile.release]
+codegen-units = 1
+lto = "fat"
+strip = true

README.md

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+`division_of_one`
+
+A diceware passphrase generator, e.g. `correct horse battery staple`
+
+# Why this and not another generator?
+
+It's easier to write 40 lines of Rust than to audit it.
+
+# What if 8 words is too long?
+
+Ignore some of the words :)

rust-toolchain.toml

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+[toolchain]
+channel = "1.81.0"

src/lib.rs

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+use rand::seq::SliceRandom as _;
+
+pub fn main() {
+    let passphrase = create_passphrase(" ", 8);
+    println!("{passphrase}");
+    println!("Press Enter");
+    let mut input = String::new();
+    std::io::stdin().read_line(&mut input).ok();
+}
+
+pub fn create_passphrase(separator: &str, len: usize) -> String {
+    let dice = Dice::default();
+    let words: Vec<_> = (0..len).map(|_| dice.pick_word()).collect();
+    words.join(separator)
+}
+
+pub struct Dice {
+    words: Vec<String>,
+}
+
+impl Default for Dice {
+    fn default() -> Self {
+        let wordlist = include_str!("eff_short_wordlist_1.txt");
+        let words: Vec<_> = wordlist.split('\n').map(|s| s.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 Dice {
+    pub fn pick_word(&self) -> &str {
+        self.words.choose(&mut rand::thread_rng ()).expect("`choose` should always return `Some`")
+    }
+}

src/main.rs

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+fn main() {
+    division_of_one::main()
+}