From 6626c1553a58bc6b02afbfb1f9bee742259a01ba Mon Sep 17 00:00:00 2001
From: LemonjamesD <lemon@lemonjamesd.com>
Date: Fri, 13 Oct 2023 21:55:25 -0400
Subject: [PATCH] Created Conversions module to use for the new functions in
 #106

---
 libsodium-bindings/libsodium-bindings.cabal   |  1 +
 .../src/LibSodium/Bindings/Conversions.hs     | 38 +++++++++++++++++++
 2 files changed, 39 insertions(+)
 create mode 100644 libsodium-bindings/src/LibSodium/Bindings/Conversions.hs

diff --git a/libsodium-bindings/libsodium-bindings.cabal b/libsodium-bindings/libsodium-bindings.cabal
index 8a1fe92b..50c6703b 100644
--- a/libsodium-bindings/libsodium-bindings.cabal
+++ b/libsodium-bindings/libsodium-bindings.cabal
@@ -68,6 +68,7 @@ library
     LibSodium.Bindings
     LibSodium.Bindings.AEAD
     LibSodium.Bindings.Comparison
+    LibSodium.Bindings.Conversions
     LibSodium.Bindings.CryptoAuth
     LibSodium.Bindings.CryptoBox
     LibSodium.Bindings.CryptoSign
diff --git a/libsodium-bindings/src/LibSodium/Bindings/Conversions.hs b/libsodium-bindings/src/LibSodium/Bindings/Conversions.hs
new file mode 100644
index 00000000..e4b5abd9
--- /dev/null
+++ b/libsodium-bindings/src/LibSodium/Bindings/Conversions.hs
@@ -0,0 +1,38 @@
+{-# LANGUAGE CApiFFI #-}
+
+-- |
+-- Module: LibSodium.Bindings.Conversions
+-- Description: Sodium Conversions
+-- Copyright: (C) Lemon
+-- License: MIT
+-- Maintainer: lemonjameslem@protonmail.com
+-- Stability: Stable
+-- Portability: GHC only
+module LibSodium.Bindings.Conversions
+  ( -- * Functions
+  ) where
+
+import Foreign
+import Foreign.C
+import Foreign.C.ConstPtr
+
+foreign import capi "sodium.h sodium_bin2base64"
+  sodiumBin2Base64
+    :: ConstPtr CChar
+    -- ^ Resulting conversion to base64 is stored here including C null terminator
+    -> CSize
+    -- ^ Maximum number of bytes allowed to be stored in base64 number when converting
+    -- ^ WARNING: Must be 2 * binLen + 1 in size
+    -- ^ NOTE: This is `const size_t` in sodium
+    -> ConstPtr CUChar
+    -- ^ Decimal numbers to convert to base64
+    -- ^ NOTE: This is `const unsigned char *const` in sodium
+    -> CSize
+    -- ^ Amount of bytes to convert to base64
+    -- ^ NOTE:
+    -- ^ NOTE: This is `const size_t` in sodium
+    -> CInt
+    -- ^ The variant of base64 to use
+    -- ^ NOTE: This is `const int` in sodium
+    -> Ptr CChar
+    -- ^ The result of converting bin to base64