bump the version

Cargo.lock

@@ -1,6 +1,12 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-version = 3
+version = 4
+
+[[package]]
+name = "bitflags"
+version = "2.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36"
 
 [[package]]
 name = "byteorder"
@@ -16,20 +22,21 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "division_of_one"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
  "rand",
 ]
 
 [[package]]
 name = "getrandom"
-version = "0.2.15"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+checksum = "43a49c392881ce6d5c3b8cb70f98717b7c07aabbdff06687b9030dbfbe2725f8"
 dependencies = [
  "cfg-if",
  "libc",
  "wasi",
+ "windows-targets",
 ]
 
 [[package]]
@@ -44,7 +51,7 @@ version = "0.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77957b295656769bb8ad2b6a6b09d897d94f05c41b069aede1fcdaa675eaea04"
 dependencies = [
- "zerocopy",
+ "zerocopy 0.7.35",
 ]
 
 [[package]]
@@ -67,20 +74,20 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.5"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+checksum = "3779b94aeb87e8bd4e834cee3650289ee9e0d5677f976ecdb6d219e5f4f6cd94"
 dependencies = [
- "libc",
  "rand_chacha",
  "rand_core",
+ "zerocopy 0.8.18",
 ]
 
 [[package]]
 name = "rand_chacha"
-version = "0.3.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
  "rand_core",
@@ -88,11 +95,12 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.4"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+checksum = "a88e0da7a2c97baa202165137c158d0a2e824ac465d13d81046727b34cb247d3"
 dependencies = [
  "getrandom",
+ "zerocopy 0.8.18",
 ]
 
 [[package]]
@@ -114,9 +122,85 @@ checksum = "e91b56cd4cadaeb79bbf1a5645f6b4f8dc5bde8834ad5894a8db35fda9efa1fe"
 
 [[package]]
 name = "wasi"
-version = "0.11.0+wasi-snapshot-preview1"
+version = "0.13.3+wasi-0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+checksum = "26816d2e1a4a36a2940b96c5296ce403917633dff8f3440e9b236ed6f6bacad2"
+dependencies = [
+ "wit-bindgen-rt",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_gnullvm",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32a4622180e7a0ec044bb555404c800bc9fd9ec262ec147edd5989ccd0c02cd3"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09ec2a7bb152e2252b53fa7803150007879548bc709c039df7627cabbd05d469"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e9b5ad5ab802e97eb8e295ac6720e509ee4c243f69d781394014ebfe8bbfa0b"
+
+[[package]]
+name = "windows_i686_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0eee52d38c090b3caa76c563b86c3a4bd71ef1a819287c19d586d7334ae8ed66"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "240948bc05c5e7c6dabba28bf89d89ffce3e303022809e73deaefe4f6ec56c66"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "147a5c80aabfbf0c7d901cb5895d1de30ef2907eb21fbbab29ca94c5b08b1a78"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "24d5b23dc417412679681396f2b49f3de8c1473deb516bd34410872eff51ed0d"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.52.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
+
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.33.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3268f3d866458b787f390cf61f4bbb563b922d091359f9608842999eaee3943c"
+dependencies = [
+ "bitflags",
+]
 
 [[package]]
 name = "zerocopy"
@@ -125,7 +209,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
 dependencies = [
  "byteorder",
- "zerocopy-derive",
+ "zerocopy-derive 0.7.35",
+]
+
+[[package]]
+name = "zerocopy"
+version = "0.8.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "79386d31a42a4996e3336b0919ddb90f81112af416270cff95b5f5af22b839c2"
+dependencies = [
+ "zerocopy-derive 0.8.18",
 ]
 
 [[package]]
@@ -138,3 +231,14 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76331675d372f91bf8d17e13afbd5fe639200b73d01f0fc748bb059f9cca2db7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]

Cargo.toml

@@ -7,10 +7,10 @@ keywords = ["passphrase", "password"]
 license = "AGPL-3.0"
 name = "division_of_one"
 repository = "https://six-five-six-four.com/git/reactor/division_of_one"
-version = "0.1.2"
+version = "0.1.3"
 
 [dependencies]
-rand = "0.8.5"
+rand = "0.9.0"
 
 [profile.release]
 codegen-units = 1

rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.81.0"
+channel = "1.83.0"

src/lib.rs

@@ -1,15 +1,44 @@
-use rand::{seq::SliceRandom as _, Rng as _};
+use rand::{seq::IndexedRandom as _, Rng as _};
+
+pub fn main() -> Result<(), String> {
+    let mut args = std::env::args();
+    let _ = args.next();
+    match args.next().as_deref() {
+        None => {}
+        Some("--version") => {
+            println!("{} {}", env!("CARGO_PKG_NAME"), env!("CARGO_PKG_VERSION"));
+            return Ok(());
+        }
+        Some(_) => return Err("Unknown CLI arg".to_string()),
+    }
+
+    println!("{}", create_passphrase(" ", 8));
+    println!("{}", create_pin(9));
+    println!("{}", create_base32(8));
 
-pub fn main() {
-    let passphrase = create_passphrase(" ", 8);
-    println!("{passphrase}");
-    let pin = create_pin(8);
-    println!("{pin}");
     println!("Press Enter");
     let mut input = String::new();
     std::io::stdin().read_line(&mut input).ok();
+    Ok(())
 }
 
+/// Generates a Base32 string per RFC 4648, Section 6.
+///
+/// Wikipedia says this is the most popular encoding, and it's what
+/// `base32` in GNU coreutils uses.
+/// <https://en.wikipedia.org/wiki/Base32#Base_32_Encoding_per_%C2%A76>
+///
+/// This is useful for short IDs, e.g. bugs that aren't living in an issue
+/// tracker. 8 characters of Base32 is 40 bits of entropy, which is
+/// not enough for a password
+pub fn create_base32(len: usize) -> String {
+    let encoding: Vec<_> = "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567".chars().collect();
+    assert_eq!(encoding.len(), 32);
+    let chars = (0..len).map(|_| *encoding.choose(&mut rand::rng()).unwrap());
+    String::from_iter(chars)
+}
+
+/// Generates a diceware passphrase
 pub fn create_passphrase(separator: &str, len: usize) -> String {
     let dice = Dice::default();
     let words: Vec<_> = (0..len).map(|_| dice.pick_word()).collect();
@@ -21,7 +50,7 @@ pub fn create_passphrase(separator: &str, len: usize) -> String {
 /// PINs are returned as a String because you do not do math with PINs, therefore they are not numbers.
 pub fn create_pin(len: usize) -> String {
     let digits: Vec<_> = (0..len)
-        .map(|_| format!("{}", rand::thread_rng().gen_range(0..=9)))
+        .map(|_| format!("{}", rand::rng().random_range(0..=9)))
         .collect();
     digits.join("")
 }
@@ -47,7 +76,7 @@ impl Default for Dice {
 impl Dice {
     pub fn pick_word(&self) -> &str {
         self.words
-            .choose(&mut rand::thread_rng())
+            .choose(&mut rand::rng())
             .expect("`choose` should always return `Some`")
     }
 }

src/main.rs

@@ -1,3 +1,3 @@
-fn main() {
+fn main() -> Result<(), String> {
     division_of_one::main()
 }