From a00d1f317835211ef25828da29a2c996c6b10c71 Mon Sep 17 00:00:00 2001
From: _ <_@_>
Date: Sat, 25 Jan 2025 21:49:17 +0000
Subject: [PATCH] 0.1.2 adds PIN generation

---
 Cargo.lock |  2 +-
 Cargo.toml |  2 +-
 README.md  |  4 +++-
 src/lib.rs | 14 +++++++++++++-
 4 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 50e25a1..6871531 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -16,7 +16,7 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "division_of_one"
-version = "0.1.0"
+version = "0.1.2"
 dependencies = [
  "rand",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 641bfe3..49c3693 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,7 +7,7 @@ keywords = ["passphrase", "password"]
 license = "AGPL-3.0"
 name = "division_of_one"
 repository = "https://six-five-six-four.com/git/reactor/division_of_one"
-version = "0.1.1"
+version = "0.1.2"
 
 [dependencies]
 rand = "0.8.5"
diff --git a/README.md b/README.md
index 28dd7bf..fc69d5b 100644
--- a/README.md
+++ b/README.md
@@ -2,11 +2,13 @@
 
 A diceware passphrase generator, e.g. `correct horse battery staple`
 
+Also generates PINs.
+
 Install with `cargo install division_of_one` or download the Windows exe from my Git forge: https://six-five-six-four.com/git/reactor/division_of_one
 
 # Why this and not another generator?
 
-It's easier to write 40 lines of Rust than to audit it.
+It's easier to write 50 lines of Rust than to audit it.
 
 I want to just point my friends and family at this without having to check if it's been compromised since the last time I saw it.
 
diff --git a/src/lib.rs b/src/lib.rs
index ce9d679..3f1673f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,8 +1,10 @@
-use rand::seq::SliceRandom as _;
+use rand::{seq::SliceRandom as _, Rng as _};
 
 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();
@@ -14,6 +16,16 @@ pub fn create_passphrase(separator: &str, len: usize) -> String {
     words.join(separator)
 }
 
+/// Generates a decimal PIN
+///
+/// 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)))
+        .collect();
+    digits.join("")
+}
+
 pub struct Dice {
     words: Vec<String>,
 }