Add README

Author: ptoffy

README.md

@@ -0,0 +1,26 @@
+# Swift Bcrypt
+
+A native, dependency and Foundation free Swift implementation of the bcrypt password hashing algorithm, based on the [OpenBSD implementation](https://github.com/openbsd/src/blob/master/lib/libc/crypt/bcrypt.c).
+
+> [!WARNING]
+> This package is not yet ready for production use. It is still in development and has not been thoroughly tested.
+
+## Installation
+
+```swift
+.package(url: "https://github.com/ptoffy/swift-bcrypt.git", branch: "main")
+```
+
+```swift
+.product(name: "Bcrypt", package: "bcrypt")
+```
+
+## Usage
+
+```swift
+import Bcrypt
+
+let password = "password"
+let hash = try Hasher(version: .v2a).hash(password: password)
+```
+

Sources/Bcrypt/EksBlowfish.swift

@@ -2,7 +2,7 @@
 ///
 /// This work is based on
 /// 1. Applied Cryptography, Second Edition by Bruce Schneier, section 14 and the corresponding code in Part V.
-/// 2. The  OpenBSD implementation of bcrypt at https://github.com/openbsd/src/blob/master/lib/libc/crypt/bcrypt.c.
+/// 2. The OpenBSD implementation of bcrypt at https://github.com/openbsd/src/blob/master/lib/libc/crypt/bcrypt.c.
 ///   The function names and variable names are kept the same as in the OpenBSD implementation.
 @usableFromInline enum EksBlowfish {
     @usableFromInline static let N = 16  // Cipher Rounds