Add Interchained Algorithms

Author: xiaolin1579

src/Miningcore/Crypto/Hashing/Algorithms/Interchained.cs

@@ -0,0 +1,21 @@
+using Miningcore.Contracts;
+using Miningcore.Native;
+
+namespace Miningcore.Crypto.Hashing.Algorithms;
+
+[Identifier("interchained")]
+public unsafe class Interchained : IHashAlgorithm
+{
+    public void Digest(ReadOnlySpan<byte> data, Span<byte> result, params object[] extra)
+    {
+        Contract.Requires<ArgumentException>(result.Length >= 32);
+
+        fixed (byte* input = data)
+        {
+            fixed (byte* output = result)
+            {
+                Multihash.interchained(input, output, (uint) data.Length);
+            }
+        }
+    }
+}

src/Miningcore/Native/Multihash.cs

@@ -226,6 +226,9 @@ public static unsafe class Multihash
     [DllImport("libmultihash", EntryPoint = "power2b_export", CallingConvention = CallingConvention.Cdecl)]
     public static extern void power2b(byte* input, void* output, uint inputLength);
 
+    [DllImport("libmultihash", EntryPoint = "interchained_export", CallingConvention = CallingConvention.Cdecl)]
+    public static extern void interchained(byte* input, void* output, uint inputLength);
+
     [DllImport("libmultihash", EntryPoint = "yespower_export", CallingConvention = CallingConvention.Cdecl)]
     public static extern void yespower(byte* input, void* output, uint inputLength);
 

src/Native/libmultihash/exports.cpp

@@ -443,6 +443,10 @@ extern "C" MODULE_API void power2b_export(const char *input, char *output, uint3
     power2b_hash(input, output, input_len);
 }
 
+extern "C" MODULE_API void interchained_export(const char *input, char *output, uint32_t input_len)
+{
+    interchained_hash(input, output, input_len);
+}
 extern "C" MODULE_API void yespower_export(const char *input, char *output, uint32_t input_len)
 {
     yespower_hash(input, output, input_len);

src/Native/libmultihash/yespower/yespower-combined.c

@@ -1337,3 +1337,15 @@ void yespowerEQPAY_hash(const char* input, char* output, uint32_t len)
     yespower_tls(input, len, &yespower_1_0_EQPAY, (yespower_binary_t *)output);
 }
 
+void interchained_hash(const char* input, char* output, uint32_t len)
+{
+    yespower_params_t yespower_1_0_interchained = {
+        .version = YESPOWER_1_0,
+        .N = 1024,
+        .r = 8,
+        .pers = NULL,
+        .perslen = 0
+    };
+    yespower_tls( input, len, &yespower_1_0_interchained, (yespower_binary_t *)output);
+}
+

src/Native/libmultihash/yespower/yespower.h

@@ -146,6 +146,7 @@ void yespowerMGPC_hash(const char* input, char* output, uint32_t len);
 void yespowerARWN_hash(const char* input, char* output, uint32_t len);
 void yespowerADVC_hash(const char* input, char* output, uint32_t len);
 void yespowerEQPAY_hash(const char* input, char* output, uint32_t len);
+void interchained_hash(const char* input, char* output, uint32_t len);
 
 #ifdef __cplusplus
 }