pbkdf

commit e61072b6f3c7bf134c53dff5e3e659f4802f959c
parent 93af1a1af0ed7731c953ef4c415f05c1401bc094
Author: Jared Tobin <jared@jtobin.io>
Date:   Sat, 21 Jun 2025 15:09:03 +0400

release: v0.2.0

Diffstat:
M
CHANGELOG
 | 
4
++++
M
README.md
 | 
20
+++++++++-----------
M
flake.lock
 | 
24
++++++++++++------------
M
ppad-pbkdf.cabal
 | 
2
+-

4 files changed, 26 insertions(+), 24 deletions(-)
diff --git a/CHANGELOG b/CHANGELOG
@@ -1,5 +1,9 @@
 # Changelog
 
+- 0.2.0 (2025-06-21)
+  * The 'derive' function is now total, returning 'Nothing' when supplied
+    with bad inputs.
+
 - 0.1.1 (2025-02-24)
   * Minor Haddock fixes.
 
diff --git a/README.md b/README.md
@@ -34,23 +34,21 @@ Haddocks (API documentation, etc.) are hosted at
 The aim is best-in-class performance for pure, highly-auditable Haskell
 code.
 
-Current benchmark figures on my mid-2020 MacBook Air look like (use
+Current benchmark figures on an M4 Silicon MacBook Air look like (use
 `cabal bench` to run the benchmark suite):
 
 ```
   benchmarking ppad-pbkdf/PBKDF-SHA256/derive (outlen 32)
-  time                 533.2 μs   (490.9 μs .. 579.9 μs)
-                       0.967 R²   (0.941 R² .. 0.993 R²)
-  mean                 494.0 μs   (480.3 μs .. 518.3 μs)
-  std dev              57.73 μs   (38.72 μs .. 98.81 μs)
-  variance introduced by outliers: 81% (severely inflated)
+  time                 216.9 μs   (216.3 μs .. 217.3 μs)
+                       1.000 R²   (1.000 R² .. 1.000 R²)
+  mean                 215.7 μs   (215.3 μs .. 216.1 μs)
+  std dev              1.446 μs   (1.275 μs .. 1.819 μs)
 
   benchmarking ppad-pbkdf/PBKDF-SHA512/derive (outlen 32)
-  time                 241.2 μs   (233.4 μs .. 249.6 μs)
-                       0.991 R²   (0.987 R² .. 0.995 R²)
-  mean                 233.6 μs   (227.8 μs .. 240.1 μs)
-  std dev              20.22 μs   (16.95 μs .. 24.39 μs)
-  variance introduced by outliers: 74% (severely inflated)
+  time                 113.5 μs   (113.3 μs .. 113.6 μs)
+                       1.000 R²   (1.000 R² .. 1.000 R²)
+  mean                 113.4 μs   (113.3 μs .. 113.5 μs)
+  std dev              303.1 ns   (256.5 ns .. 398.4 ns)
 ```
 
 ## Security
diff --git a/flake.lock b/flake.lock
@@ -51,11 +51,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1739979569,
-        "narHash": "sha256-omEcmgzRlzIE5Vdty0/SskEcR2f7OtcHzGFE4i1dI60=",
+        "lastModified": 1741625558,
+        "narHash": "sha256-ZBDXRD5fsVqA5bGrAlcnhiu67Eo50q0M9614nR3NBwY=",
         "ref": "master",
-        "rev": "4439e0efafbb5185bd7d9bfb352a17c2a31b96b4",
-        "revCount": 15,
+        "rev": "fb63457f2e894eda28250dfe65d0fcd1d195ac2f",
+        "revCount": 24,
         "type": "git",
         "url": "git://git.ppad.tech/base16.git"
       },
@@ -102,11 +102,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1737298572,
-        "narHash": "sha256-iAo6GFH1FLNi0wt0FczbqPCmVzCm9gfMEjk1oakExt0=",
+        "lastModified": 1740802974,
+        "narHash": "sha256-GTD9UrxwMa5zY7hxzDSXjKXKUwMK4r3FBHLG0nvgapk=",
         "ref": "master",
-        "rev": "abc984dc65f0df9bd958c0bc8f390c68e660f710",
-        "revCount": 87,
+        "rev": "ab0957e305dff0243dcab11e381470585849fd20",
+        "revCount": 94,
         "type": "git",
         "url": "git://git.ppad.tech/sha256.git"
       },
@@ -133,11 +133,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1737298660,
-        "narHash": "sha256-W8wuLHRH7P5oITCXnxKEEnSD2yX1Qo7uypbxpwKvvM8=",
+        "lastModified": 1740802979,
+        "narHash": "sha256-6VAXmA1XiIT/WFcP+eFb6uK3YyfgVqIgDv3ASNIoCMs=",
         "ref": "master",
-        "rev": "e8ce88cafbf32900556832d3817997642f128242",
-        "revCount": 21,
+        "rev": "ff165b29fb21b99749460ae7e3fdca42a85c822b",
+        "revCount": 28,
         "type": "git",
         "url": "git://git.ppad.tech/sha512.git"
       },
diff --git a/ppad-pbkdf.cabal b/ppad-pbkdf.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               ppad-pbkdf
-version:            0.1.1
+version:            0.2.0
 synopsis:           A password-based key derivation function
 license:            MIT
 license-file:       LICENSE