sha256

commit 0d9a7a2f83fc95bf3ac1d335d1c0237d397e44bc
parent 5524b108ff5ebdfb113d77a313fa881f873480c1
Author: Jared Tobin <jared@jtobin.io>
Date:   Sun, 28 Dec 2025 11:41:03 -0330

release: v0.2.4

Diffstat:
M
CHANGELOG
 | 
3
+++
M
README.md
 | 
14
+++++++-------
M
flake.lock
 | 
28
++++++++++++++--------------
M
flake.nix
 | 
4
++--
M
ppad-sha256.cabal
 | 
4
++--

5 files changed, 28 insertions(+), 25 deletions(-)
diff --git a/CHANGELOG b/CHANGELOG
@@ -1,5 +1,8 @@
 # Changelog
 
+- 0.2.4 (2025-12-28)
+  * Adds an 'llvm' build flag and tests with GHC 9.10.3.
+
 - 0.2.3 (2025-01-21)
   * Improves padding handling for the strict bytestring case, yielding
     performance increases for both 'hash' and 'hmac'.
diff --git a/README.md b/README.md
@@ -62,16 +62,16 @@ Current benchmark figures on an M4 Silicon MacBook Air look like (use
 
 ```
   benchmarking ppad-sha256/SHA256 (32B input)/hash
-  time                 265.9 ns   (265.7 ns .. 266.1 ns)
+  time                 194.6 ns   (194.4 ns .. 194.7 ns)
                        1.000 R²   (1.000 R² .. 1.000 R²)
-  mean                 266.3 ns   (266.1 ns .. 266.5 ns)
-  std dev              645.1 ps   (524.2 ps .. 829.3 ps)
+  mean                 194.7 ns   (194.6 ns .. 194.9 ns)
+  std dev              638.1 ps   (461.8 ps .. 947.6 ps)
 
   benchmarking ppad-sha256/HMAC-SHA256 (32B input)/hmac
-  time                 877.7 ns   (872.1 ns .. 886.0 ns)
-                       1.000 R²   (0.999 R² .. 1.000 R²)
-  mean                 873.3 ns   (871.5 ns .. 877.5 ns)
-  std dev              8.491 ns   (4.940 ns .. 15.65 ns)
+  time                 702.6 ns   (701.9 ns .. 703.5 ns)
+                       1.000 R²   (1.000 R² .. 1.000 R²)
+  mean                 703.5 ns   (702.9 ns .. 704.5 ns)
+  std dev              2.654 ns   (1.724 ns .. 3.640 ns)
 ```
 
 You should compile with the 'llvm' flag for maximum performance.
diff --git a/flake.lock b/flake.lock
@@ -5,11 +5,11 @@
         "systems": "systems"
       },
       "locked": {
-        "lastModified": 1710146030,
-        "narHash": "sha256-SZ5L6eA7HJ/nmkzGG7/ISclqe6oZdOZTNoesiInkXPQ=",
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "b1d9ab70662946ef0850d488da1c9019f3a9752a",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
         "type": "github"
       },
       "original": {
@@ -20,11 +20,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1725910328,
-        "narHash": "sha256-n9pCtzGZ0httmTwMuEbi5E78UQ4ZbQMr1pzi5N0LAG8=",
+        "lastModified": 1766840161,
+        "narHash": "sha256-Ss/LHpJJsng8vz1Pe33RSGIWUOcqM1fjrehjUkdrWio=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "5775c2583f1801df7b790bf7f7d710a19bac66f4",
+        "rev": "3edc4a30ed3903fdf6f90c837f961fa6b49582d1",
         "type": "github"
       },
       "original": {
@@ -51,11 +51,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1741625558,
-        "narHash": "sha256-ZBDXRD5fsVqA5bGrAlcnhiu67Eo50q0M9614nR3NBwY=",
+        "lastModified": 1766934151,
+        "narHash": "sha256-BUFpuLfrGXE2xi3Wa9TYCEhhRhFp175Ghxnr0JRbG2I=",
         "ref": "master",
-        "rev": "fb63457f2e894eda28250dfe65d0fcd1d195ac2f",
-        "revCount": 24,
+        "rev": "58dfb7922401a60d5de76825fcd5f6ecbcd7afe0",
+        "revCount": 26,
         "type": "git",
         "url": "git://git.ppad.tech/base16.git"
       },
@@ -71,11 +71,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1737297101,
-        "narHash": "sha256-EnXnq+JLflbWt+DvaGGnY2gfAqsGNOm5vPgHh3hkfwQ=",
+        "lastModified": 1766932084,
+        "narHash": "sha256-GvVsbTfW+B7IQ9K/QP2xcXJAm1lhBin1jYZWNjOzT+o=",
         "ref": "master",
-        "rev": "f29823875250bc99b3891f7373535ccde9a29a44",
-        "revCount": 1,
+        "rev": "353e61763b959b960a55321a85423501e3e9ed7a",
+        "revCount": 2,
         "type": "git",
         "url": "git://git.ppad.tech/nixpkgs.git"
       },
diff --git a/flake.nix b/flake.nix
@@ -25,11 +25,11 @@
 
         pkgs = import nixpkgs { inherit system; };
         hlib = pkgs.haskell.lib;
-        llvm = pkgs.llvmPackages_15.llvm;
+        llvm = pkgs.llvmPackages_19.llvm;
 
         base16 = ppad-base16.packages.${system}.default;
 
-        hpkgs = pkgs.haskell.packages.ghc981.extend (new: old: {
+        hpkgs = pkgs.haskell.packages.ghc910.extend (new: old: {
           ppad-base16 = base16;
           ${lib} = old.callCabal2nixWithOptions lib ./. "--enable-profiling" {
             ppad-base16 = new.ppad-base16;
diff --git a/ppad-sha256.cabal b/ppad-sha256.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               ppad-sha256
-version:            0.2.3
+version:            0.2.4
 synopsis:           The SHA-256 and HMAC-SHA256 algorithms
 license:            MIT
 license-file:       LICENSE
@@ -8,7 +8,7 @@ author:             Jared Tobin
 maintainer:         jared@ppad.tech
 category:           Cryptography
 build-type:         Simple
-tested-with:        GHC == { 9.8.1, 9.6.6, 9.6.4 }
+tested-with:        GHC == 9.10.3
 extra-doc-files:    CHANGELOG
 description:
   A pure implementation of SHA-256 and HMAC-SHA256 on strict and lazy