commit 31293784294afea5d1cccd63d78dacda2c81c5de
Author: Jared Tobin <jared@jtobin.io>
Date: Mon, 3 Mar 2025 10:32:20 +0400
lib: init
Diffstat:
9 files changed, 246 insertions(+), 0 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -0,0 +1 @@
+dist-newstyle/
diff --git a/CHANGELOG b/CHANGELOG
diff --git a/LICENSE b/LICENSE
@@ -0,0 +1,20 @@
+Copyright (c) 2025 Jared Tobin
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
diff --git a/bench/Main.hs b/bench/Main.hs
@@ -0,0 +1,4 @@
+module Main where
+
+main :: IO ()
+main = pure ()
diff --git a/flake.lock b/flake.lock
@@ -0,0 +1,88 @@
+{
+ "nodes": {
+ "flake-utils": {
+ "inputs": {
+ "systems": "systems"
+ },
+ "locked": {
+ "lastModified": 1710146030,
+ "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+ "owner": "numtide",
+ "repo": "flake-utils",
+ "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+ "type": "github"
+ },
+ "original": {
+ "owner": "numtide",
+ "repo": "flake-utils",
+ "type": "github"
+ }
+ },
+ "nixpkgs": {
+ "locked": {
+ "lastModified": 1725910328,
+ "narHash": "sha256-n9pCtzGZ0httmTwMuEbi5E78UQ4ZbQMr1pzi5N0LAG8=",
+ "owner": "NixOS",
+ "repo": "nixpkgs",
+ "rev": "5775c2583f1801df7b790bf7f7d710a19bac66f4",
+ "type": "github"
+ },
+ "original": {
+ "owner": "NixOS",
+ "ref": "nixpkgs-unstable",
+ "repo": "nixpkgs",
+ "type": "github"
+ }
+ },
+ "ppad-nixpkgs": {
+ "inputs": {
+ "flake-utils": "flake-utils",
+ "nixpkgs": "nixpkgs"
+ },
+ "locked": {
+ "lastModified": 1737297101,
+ "narHash": "sha256-EnXnq+JLflbWt+DvaGGnY2gfAqsGNOm5vPgHh3hkfwQ=",
+ "ref": "master",
+ "rev": "f29823875250bc99b3891f7373535ccde9a29a44",
+ "revCount": 1,
+ "type": "git",
+ "url": "git://git.ppad.tech/nixpkgs.git"
+ },
+ "original": {
+ "ref": "master",
+ "type": "git",
+ "url": "git://git.ppad.tech/nixpkgs.git"
+ }
+ },
+ "root": {
+ "inputs": {
+ "flake-utils": [
+ "ppad-nixpkgs",
+ "flake-utils"
+ ],
+ "nixpkgs": [
+ "ppad-nixpkgs",
+ "nixpkgs"
+ ],
+ "ppad-nixpkgs": "ppad-nixpkgs"
+ }
+ },
+ "systems": {
+ "locked": {
+ "lastModified": 1681028828,
+ "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+ "owner": "nix-systems",
+ "repo": "default",
+ "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+ "type": "github"
+ },
+ "original": {
+ "owner": "nix-systems",
+ "repo": "default",
+ "type": "github"
+ }
+ }
+ },
+ "root": "root",
+ "version": 7
+}
diff --git a/flake.nix b/flake.nix
@@ -0,0 +1,58 @@
+{
+ description = "A pure Haskell ChaCha stream cipher.";
+
+ inputs = {
+ ppad-nixpkgs = {
+ type = "git";
+ url = "git://git.ppad.tech/nixpkgs.git";
+ ref = "master";
+ };
+ flake-utils.follows = "ppad-nixpkgs/flake-utils";
+ nixpkgs.follows = "ppad-nixpkgs/nixpkgs";
+ };
+
+ outputs = { self, nixpkgs, flake-utils, ppad-nixpkgs }:
+ flake-utils.lib.eachDefaultSystem (system:
+ let
+ lib = "ppad-chacha";
+
+ pkgs = import nixpkgs { inherit system; };
+ hlib = pkgs.haskell.lib;
+
+ hpkgs = pkgs.haskell.packages.ghc981.extend (new: old: {
+ ${lib} = old.callCabal2nixWithOptions lib ./. "--enable-profiling" {};
+ });
+
+ cc = pkgs.stdenv.cc;
+ ghc = hpkgs.ghc;
+ cabal = hpkgs.cabal-install;
+ in
+ {
+ packages.default = hpkgs.${lib};
+
+ devShells.default = hpkgs.shellFor {
+ packages = p: [
+ (hlib.doBenchmark p.${lib})
+ ];
+
+ buildInputs = [
+ cabal
+ cc
+ ];
+
+ inputsFrom = builtins.attrValues self.packages.${system};
+
+ doBenchmark = true;
+
+ shellHook = ''
+ PS1="[${lib}] \w$ "
+ echo "entering ${system} shell, using"
+ echo "cc: $(${cc}/bin/cc --version)"
+ echo "ghc: $(${ghc}/bin/ghc --version)"
+ echo "cabal: $(${cabal}/bin/cabal --version)"
+ '';
+ };
+ }
+ );
+}
+
diff --git a/lib/Crypto/Cipher/ChaCha.hs b/lib/Crypto/Cipher/ChaCha.hs
@@ -0,0 +1,10 @@
+{-# LANGUAGE MagicHash #-}
+{-# LANGUAGE UnboxedTuples #-}
+
+module Crypto.Cipher.ChaCha where
+
+import qualified Data.Bits as B
+import Data.Bits ((.^.))
+import Data.Word (Word32)
+import GHC.Exts
+
diff --git a/ppad-chacha.cabal b/ppad-chacha.cabal
@@ -0,0 +1,61 @@
+cabal-version: 3.0
+name: ppad-chacha
+version: 0.1.0
+synopsis: A pure ChaCha stream cipher
+license: MIT
+license-file: LICENSE
+author: Jared Tobin
+maintainer: jared@ppad.tech
+category: Cryptography
+build-type: Simple
+tested-with: GHC == 9.8.1
+extra-doc-files: CHANGELOG
+description:
+ A pure ChaCha stream cipher
+
+source-repository head
+ type: git
+ location: git.ppad.tech/chacha.git
+
+library
+ default-language: Haskell2010
+ hs-source-dirs: lib
+ ghc-options:
+ -Wall
+ exposed-modules:
+ Crypto.Cipher.ChaCha
+ build-depends:
+ base >= 4.9 && < 5
+ , bytestring >= 0.9 && < 0.13
+
+test-suite chacha-tests
+ type: exitcode-stdio-1.0
+ default-language: Haskell2010
+ hs-source-dirs: test
+ main-is: Main.hs
+
+ ghc-options:
+ -rtsopts -Wall -O2
+
+ build-depends:
+ base
+ , bytestring
+ , ppad-chacha
+ , tasty
+ , tasty-quickcheck
+
+benchmark chacha-bench
+ type: exitcode-stdio-1.0
+ default-language: Haskell2010
+ hs-source-dirs: bench
+ main-is: Main.hs
+
+ ghc-options:
+ -rtsopts -O2 -Wall
+
+ build-depends:
+ base
+ , bytestring
+ , criterion
+ , ppad-chacha
+
diff --git a/test/Main.hs b/test/Main.hs
@@ -0,0 +1,4 @@
+module Main where
+
+main :: IO ()
+main = pure ()
