feat(MultiBase): implement base32z

src/Base32z.cs

@@ -0,0 +1,25 @@
+using SimpleBase;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Ipfs
+{
+    /// <summary>
+    ///   Base32 encoding designed to be easier for human use and more compact.
+    /// </summary>
+    /// <remarks>
+    ///   Commonly referred to as 'z-base-32'.
+    /// </remarks>
+    /// <seealso href="https://en.wikipedia.org/wiki/Base32#z-base-32"/>
+    public static class Base32z
+    {
+        static readonly Base32Alphabet alphabet =
+            new Base32Alphabet("ybndrfg8ejkmcpqxot1uwisza345h769");
+
+        /// <summary>
+        ///   The encoder/decoder for z-base-32.
+        /// </summary>
+        public static readonly SimpleBase.Base32 Codec = new SimpleBase.Base32(alphabet);
+    }
+}

src/Registry/MultiBaseAlgorithm .cs

@@ -13,7 +13,7 @@ namespace Ipfs.Registry
     ///   the currently defined multi-base algorithms.
     ///   <para>
     ///   These algorithms are supported: base58btc, base58flickr, base64,
-    ///   base64pad, base64url, base16, base32, base32pad, base32hex
+    ///   base64pad, base64url, base16, base32, base32z, base32pad, base32hex
     ///   and base32hexpad.
     ///   </para>
     /// </remarks>
@@ -73,14 +73,15 @@ static MultiBaseAlgorithm()
             Register("BASE32HEXPAD", 'T',
                 bytes => SimpleBase.Base32.ExtendedHex.Encode(bytes, true),
                 s => SimpleBase.Base32.ExtendedHex.Decode(s));
-
+            Register("base32z", 'h',
+                bytes => Base32z.Codec.Encode(bytes, false),
+                s => Base32z.Codec.Decode(s));
             // Not supported
 #if false
             Register("base1", '1');
             Register("base2", '0');
             Register("base8", '7');
             Register("base10", '9');
-            Register("base32z", 'h');
 #endif
         }
 

test/MultBaseTest.cs

@@ -160,6 +160,26 @@ class TestVector
                 Input = "f",
                 Output = "TCO======"
             },
+            new TestVector {
+                Algorithm = "base32z",
+                Input="Decentralize everything!!",
+                Output ="het1sg3mqqt3gn5djxj11y3msci3817depfzgqejb"
+            },
+            new TestVector {
+                Algorithm = "base32z",
+                Input ="yes mani !",
+                Output ="hxf1zgedpcfzg1ebb"
+            },
+            new TestVector {
+                Algorithm = "base32z",
+                Input ="hello world",
+                Output ="hpb1sa5dxrb5s6hucco"
+            },
+            new TestVector {
+                Algorithm = "base32z",
+                Input ="\x00\x00yes mani !",
+                Output ="hyyy813murbssn5ujryoo"
+            },
 
         };