diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7a5f0b9..8301f44 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -44,6 +44,55 @@ jobs:
       - name: Run tests
         run: ./build/test
 
+  go-bindings:
+    name: Go Bindings - ${{ matrix.settings.name }}
+    runs-on: ${{ matrix.settings.runner }}
+    strategy:
+      fail-fast: false
+      matrix:
+        go-version: [ '1.21', '1.22.x' ]
+        settings:
+          - name: MacOS arm64
+            target: aarch64-apple-darwin
+            runner: macos-latest
+          - name: Linux x86
+            target: x86_64-unknown-linux-gnu
+            runner: ubuntu-latest
+          - name: Linux arm64
+            target: aarch64-unknown-linux-gnu
+            runner: ubuntu-latest
+          - name: Linux x86 using clang
+            target: x86_64-unknown-linux-gnu
+            runner: ubuntu-latest
+            cc: clang
+          - name: Linux arm64 using clang
+            target: aarch64-unknown-linux-gnu
+            runner: ubuntu-latest
+            cc: clang
+          - name: Windows x86
+            target: x86_64-pc-windows-msvc
+            runner: windows-latest
+          - name: Windows arm64
+            target: aarch64-pc-windows-msvc
+            runner: windows-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Go ${{ matrix.go-version }}
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Cross-Compile Build
+        if: ${{ matrix.settings.cc != '' }}
+        run: CC=${{ matrix.settings.cc }} make go_bindings
+      - name: Build
+        if: ${{ !matrix.settings.cc }}
+        run: make go_bindings
+      - name: Run tests
+        run: go test .
+      - name: Run benchmarks
+        run: go test -bench=.
+
   rust-bindings:
     name: Rust Bindings - ${{ matrix.settings.name }}
     runs-on: ${{ matrix.settings.runner }}
diff --git a/Makefile b/Makefile
index b8e4150..6b1cf1c 100644
--- a/Makefile
+++ b/Makefile
@@ -11,12 +11,13 @@ test:
 bench:
 	$(MAKE) -C src bench
 
-.PHONY: rust_bindings rust_tests
+.PHONY: rust_bindings rust_tests go_bindings
 rust_bindings:
 	cd rust_bindings && cargo build --release
 rust_tests:
 	cd rust_bindings && cargo test
-
+go_bindings:
+	$(MAKE) -C src go_bindings
 all:
 	$(MAKE) -C src all
 
diff --git a/bindings.go b/bindings.go
new file mode 100644
index 0000000..d4878f1
--- /dev/null
+++ b/bindings.go
@@ -0,0 +1,25 @@
+package hashtree
+
+import "fmt"
+
+//go:noescape
+func HashtreeHash(output *byte, input *byte, count uint64)
+
+func Hash(digests [][32]byte, chunks [][32]byte) error {
+	if len(chunks) == 0 {
+		return nil
+	}
+
+	if len(chunks)%2 == 1 {
+		return fmt.Errorf("odd number of chunks")
+	}
+	if len(digests) < len(chunks)/2 {
+		return fmt.Errorf("not enough digest length, need at least %v, got %v", len(chunks)/2, len(digests))
+	}
+	if supportedCPU {
+		HashtreeHash(&digests[0][0], &chunks[0][0], uint64(len(chunks)/2))
+	} else {
+		sha256_1_generic(digests, chunks)
+	}
+	return nil
+}
diff --git a/bindings_amd64.go b/bindings_amd64.go
new file mode 100644
index 0000000..7d98ba4
--- /dev/null
+++ b/bindings_amd64.go
@@ -0,0 +1,13 @@
+//go:build amd64
+// +build amd64
+
+package hashtree
+
+import (
+	"github.com/klauspost/cpuid/v2"
+)
+
+var hasAVX512 = cpuid.CPU.Supports(cpuid.AVX512F, cpuid.AVX512VL)
+var hasAVX2 = cpuid.CPU.Supports(cpuid.AVX2, cpuid.BMI2)
+var hasShani = cpuid.CPU.Supports(cpuid.SHA, cpuid.AVX)
+var supportedCPU = hasAVX2 || hasShani || hasAVX512
diff --git a/bindings_arm64.go b/bindings_arm64.go
new file mode 100644
index 0000000..b94bd42
--- /dev/null
+++ b/bindings_arm64.go
@@ -0,0 +1,11 @@
+//go:build arm64
+// +build arm64
+
+package hashtree
+
+import (
+	"github.com/klauspost/cpuid/v2"
+)
+
+var hasShani = cpuid.CPU.Supports(cpuid.SHA2)
+var supportedCPU = true
diff --git a/bindings_test.go b/bindings_test.go
new file mode 100644
index 0000000..d6be0c8
--- /dev/null
+++ b/bindings_test.go
@@ -0,0 +1,222 @@
+package hashtree
+
+import (
+	"reflect"
+	"testing"
+)
+
+var _test_32_block = [][32]byte{
+	{0x7a, 0xee, 0xd5, 0xc9, 0x66, 0x17, 0x59, 0x7f, 0x89, 0xd6, 0xd9, 0xe8, 0xa8, 0xa7, 0x01, 0x47, 0x60, 0xc6, 0x88, 0xfd, 0x2a, 0x7a, 0xf6, 0x1d, 0x10, 0x20, 0x62, 0x7e, 0x7c, 0xd0, 0x1a, 0x0b},
+	{0xd4, 0x1f, 0xa7, 0x89, 0x8c, 0xf9, 0x05, 0xfc, 0x1e, 0xb0, 0x04, 0xd7, 0xaa, 0x56, 0x35, 0xec, 0x36, 0xf5, 0x0d, 0x41, 0x75, 0x64, 0x34, 0x71, 0xf0, 0x3b, 0x5b, 0xb2, 0xcc, 0xfa, 0x8c, 0xca},
+	{0xf8, 0xd9, 0x9e, 0xa7, 0x9c, 0xa1, 0xe0, 0x3a, 0x19, 0x4f, 0xd3, 0x2d, 0xbd, 0x40, 0x3a, 0xa3, 0x28, 0xe8, 0xa4, 0x27, 0x58, 0x44, 0x12, 0xf7, 0x69, 0x01, 0x66, 0xfa, 0xf1, 0x97, 0x30, 0xfe},
+	{0x99, 0x7c, 0x24, 0x0e, 0xed, 0x31, 0x0a, 0xda, 0x12, 0x16, 0x0e, 0x06, 0x44, 0xb8, 0x3f, 0xa2, 0x40, 0x52, 0xbc, 0x2d, 0xaf, 0x97, 0x00, 0x01, 0x5d, 0xbb, 0x0d, 0x06, 0x66, 0xb1, 0x59, 0xf2},
+	{0x99, 0x43, 0x52, 0x77, 0x28, 0x39, 0x6b, 0xeb, 0x03, 0x51, 0xc4, 0x5f, 0x7d, 0xd3, 0xe1, 0x41, 0x17, 0x66, 0x7b, 0x0e, 0xc9, 0x51, 0x01, 0xa7, 0x39, 0xf3, 0xc8, 0x63, 0x95, 0xa5, 0x92, 0x6b},
+	{0xce, 0x6e, 0xab, 0xd2, 0xe8, 0xad, 0x90, 0xad, 0xbe, 0xe5, 0x94, 0x96, 0xa9, 0x98, 0xe7, 0x83, 0x07, 0xa4, 0x0f, 0x8e, 0xe5, 0xb3, 0x5a, 0x05, 0xcd, 0xfd, 0xae, 0x9c, 0x07, 0xad, 0x26, 0xaa},
+	{0xf5, 0xee, 0x66, 0x87, 0x00, 0xed, 0xeb, 0x8b, 0xc2, 0x7d, 0x97, 0x52, 0x2d, 0xfc, 0x0a, 0x2a, 0x32, 0x0e, 0x92, 0xd2, 0x91, 0xd1, 0x69, 0x29, 0x9d, 0xb1, 0x3a, 0x65, 0x9f, 0x8e, 0x7e, 0x2a},
+	{0x88, 0x4a, 0xc8, 0x81, 0xdb, 0xa6, 0x79, 0x36, 0x54, 0xe9, 0x15, 0x5c, 0xff, 0x06, 0x35, 0x8b, 0x6e, 0x0d, 0xaa, 0x3e, 0x7a, 0x82, 0x7c, 0x4a, 0xfe, 0x8a, 0x91, 0xb4, 0x34, 0xed, 0xe3, 0x17},
+	{0xe7, 0x92, 0xa4, 0x91, 0xdc, 0x1d, 0x83, 0xc8, 0x72, 0x5a, 0xd1, 0x27, 0x17, 0x78, 0x2b, 0xc7, 0x67, 0xe9, 0x56, 0xf2, 0xb4, 0x37, 0x51, 0xa1, 0x6b, 0x23, 0x8c, 0xc9, 0x03, 0x3d, 0x90, 0x1e},
+	{0xc4, 0x1f, 0xcc, 0x5e, 0xcb, 0x5e, 0x7d, 0x02, 0x12, 0x3f, 0x15, 0x9f, 0x35, 0xf4, 0x49, 0x55, 0xba, 0xc6, 0x47, 0xd2, 0x85, 0x85, 0x61, 0x69, 0xa5, 0x60, 0x7a, 0x32, 0x7f, 0x8e, 0x09, 0x5f},
+	{0x60, 0xb6, 0xab, 0xb5, 0x6b, 0x4d, 0xce, 0x6f, 0x1d, 0x77, 0x2e, 0x9b, 0x0d, 0x60, 0x76, 0xe3, 0xcb, 0x79, 0xbc, 0x40, 0x2d, 0x16, 0xf6, 0xa3, 0x06, 0x12, 0x36, 0x71, 0xda, 0xfd, 0x28, 0x89},
+	{0x67, 0xdd, 0x7f, 0x26, 0x6d, 0x2e, 0xf3, 0xef, 0x13, 0xb6, 0x09, 0x73, 0x82, 0xbc, 0x73, 0x25, 0x83, 0xc0, 0x34, 0x90, 0xe8, 0xad, 0xf0, 0x17, 0x8d, 0xed, 0xad, 0x29, 0xf7, 0x78, 0x9c, 0x28},
+	{0x00, 0xb0, 0xd5, 0xd0, 0x8e, 0x9b, 0xe5, 0xf0, 0x46, 0x8e, 0x60, 0x25, 0x95, 0xe5, 0x3a, 0x46, 0xb1, 0x07, 0x74, 0x97, 0xed, 0x0a, 0x2f, 0x9a, 0x3f, 0xf3, 0x94, 0x2f, 0xb3, 0x12, 0xa1, 0x91},
+	{0x8d, 0x36, 0x16, 0xc6, 0x00, 0x88, 0xd6, 0x69, 0xb4, 0x5a, 0x71, 0x18, 0x41, 0xe5, 0x4d, 0xb2, 0xd9, 0x00, 0x7a, 0x17, 0x63, 0x6a, 0x9b, 0x2e, 0x22, 0x12, 0x5b, 0xa3, 0x74, 0x7c, 0x95, 0xc9},
+	{0x4e, 0xfc, 0x5c, 0x18, 0xd1, 0x8a, 0x5b, 0x57, 0x7c, 0x86, 0x3e, 0xe2, 0x75, 0x91, 0xf2, 0xb3, 0x5f, 0xd0, 0x92, 0xbc, 0x77, 0xbe, 0x1b, 0xef, 0x1a, 0x7c, 0xe2, 0xd8, 0x8d, 0x7b, 0xef, 0xf7},
+	{0xb7, 0x80, 0xc2, 0x31, 0xe6, 0x75, 0x0c, 0xad, 0x0f, 0xe8, 0xed, 0x59, 0x34, 0xdb, 0xfb, 0x41, 0xd4, 0x38, 0x73, 0x7a, 0x47, 0x01, 0xb8, 0xea, 0xea, 0x2e, 0x01, 0x8e, 0x4f, 0x09, 0x64, 0x82},
+	{0x99, 0x43, 0x52, 0x77, 0x28, 0x39, 0x6b, 0xeb, 0x03, 0x51, 0xc4, 0x5f, 0x7d, 0xd3, 0xe1, 0x41, 0x17, 0x66, 0x7b, 0x0e, 0xc9, 0x51, 0x01, 0xa7, 0x39, 0xf3, 0xc8, 0x63, 0x95, 0xa5, 0x92, 0x6b},
+	{0xce, 0x6e, 0xab, 0xd2, 0xe8, 0xad, 0x90, 0xad, 0xbe, 0xe5, 0x94, 0x96, 0xa9, 0x98, 0xe7, 0x83, 0x07, 0xa4, 0x0f, 0x8e, 0xe5, 0xb3, 0x5a, 0x05, 0xcd, 0xfd, 0xae, 0x9c, 0x07, 0xad, 0x26, 0xaa},
+	{0xf5, 0xee, 0x66, 0x87, 0x00, 0xed, 0xeb, 0x8b, 0xc2, 0x7d, 0x97, 0x52, 0x2d, 0xfc, 0x0a, 0x2a, 0x32, 0x0e, 0x92, 0xd2, 0x91, 0xd1, 0x69, 0x29, 0x9d, 0xb1, 0x3a, 0x65, 0x9f, 0x8e, 0x7e, 0x2a},
+	{0x88, 0x4a, 0xc8, 0x81, 0xdb, 0xa6, 0x79, 0x36, 0x54, 0xe9, 0x15, 0x5c, 0xff, 0x06, 0x35, 0x8b, 0x6e, 0x0d, 0xaa, 0x3e, 0x7a, 0x82, 0x7c, 0x4a, 0xfe, 0x8a, 0x91, 0xb4, 0x34, 0xed, 0xe3, 0x17},
+	{0xe7, 0x92, 0xa4, 0x91, 0xdc, 0x1d, 0x83, 0xc8, 0x72, 0x5a, 0xd1, 0x27, 0x17, 0x78, 0x2b, 0xc7, 0x67, 0xe9, 0x56, 0xf2, 0xb4, 0x37, 0x51, 0xa1, 0x6b, 0x23, 0x8c, 0xc9, 0x03, 0x3d, 0x90, 0x1e},
+	{0xc4, 0x1f, 0xcc, 0x5e, 0xcb, 0x5e, 0x7d, 0x02, 0x12, 0x3f, 0x15, 0x9f, 0x35, 0xf4, 0x49, 0x55, 0xba, 0xc6, 0x47, 0xd2, 0x85, 0x85, 0x61, 0x69, 0xa5, 0x60, 0x7a, 0x32, 0x7f, 0x8e, 0x09, 0x5f},
+	{0x60, 0xb6, 0xab, 0xb5, 0x6b, 0x4d, 0xce, 0x6f, 0x1d, 0x77, 0x2e, 0x9b, 0x0d, 0x60, 0x76, 0xe3, 0xcb, 0x79, 0xbc, 0x40, 0x2d, 0x16, 0xf6, 0xa3, 0x06, 0x12, 0x36, 0x71, 0xda, 0xfd, 0x28, 0x89},
+	{0x67, 0xdd, 0x7f, 0x26, 0x6d, 0x2e, 0xf3, 0xef, 0x13, 0xb6, 0x09, 0x73, 0x82, 0xbc, 0x73, 0x25, 0x83, 0xc0, 0x34, 0x90, 0xe8, 0xad, 0xf0, 0x17, 0x8d, 0xed, 0xad, 0x29, 0xf7, 0x78, 0x9c, 0x28},
+	{0x00, 0xb0, 0xd5, 0xd0, 0x8e, 0x9b, 0xe5, 0xf0, 0x46, 0x8e, 0x60, 0x25, 0x95, 0xe5, 0x3a, 0x46, 0xb1, 0x07, 0x74, 0x97, 0xed, 0x0a, 0x2f, 0x9a, 0x3f, 0xf3, 0x94, 0x2f, 0xb3, 0x12, 0xa1, 0x91},
+	{0x8d, 0x36, 0x16, 0xc6, 0x00, 0x88, 0xd6, 0x69, 0xb4, 0x5a, 0x71, 0x18, 0x41, 0xe5, 0x4d, 0xb2, 0xd9, 0x00, 0x7a, 0x17, 0x63, 0x6a, 0x9b, 0x2e, 0x22, 0x12, 0x5b, 0xa3, 0x74, 0x7c, 0x95, 0xc9},
+	{0x4e, 0xfc, 0x5c, 0x18, 0xd1, 0x8a, 0x5b, 0x57, 0x7c, 0x86, 0x3e, 0xe2, 0x75, 0x91, 0xf2, 0xb3, 0x5f, 0xd0, 0x92, 0xbc, 0x77, 0xbe, 0x1b, 0xef, 0x1a, 0x7c, 0xe2, 0xd8, 0x8d, 0x7b, 0xef, 0xf7},
+	{0xcd, 0x78, 0x15, 0x64, 0x2c, 0x78, 0x57, 0x74, 0x2b, 0xb7, 0xdb, 0x74, 0xe2, 0xab, 0x82, 0xbb, 0x61, 0x32, 0x3e, 0xe4, 0xb1, 0x00, 0xde, 0xb2, 0x35, 0x1e, 0x3e, 0x1c, 0x91, 0x9d, 0x87, 0xde},
+	{0x17, 0xcc, 0x52, 0x5c, 0x60, 0x9e, 0xd8, 0xd4, 0xf4, 0x56, 0x28, 0x16, 0xde, 0xde, 0x73, 0xfe, 0xd9, 0x92, 0xb7, 0x99, 0x15, 0x24, 0x1b, 0x40, 0xb0, 0xda, 0x9a, 0xf8, 0x24, 0x38, 0x13, 0xbd},
+	{0xd0, 0x45, 0x9b, 0xe3, 0x9a, 0xae, 0x78, 0x41, 0xcd, 0x12, 0x9a, 0x6b, 0x91, 0x58, 0x29, 0x75, 0xae, 0x21, 0xd3, 0xf2, 0x5e, 0x98, 0xab, 0x09, 0xb0, 0xaa, 0x62, 0x96, 0x35, 0x64, 0x18, 0x48},
+	{0xd2, 0x5b, 0x10, 0xf1, 0x35, 0xaa, 0x04, 0x49, 0x4e, 0x51, 0x30, 0x0d, 0xb6, 0xbf, 0xa0, 0x9b, 0xa0, 0xf5, 0x66, 0x5f, 0x28, 0xc7, 0x8d, 0xa8, 0x3e, 0x0f, 0xe4, 0xa7, 0xc9, 0xd4, 0x0f, 0x7d},
+	{0xb7, 0x80, 0xc2, 0x31, 0xe6, 0x75, 0x0c, 0xad, 0x0f, 0xe8, 0xed, 0x59, 0x34, 0xdb, 0xfb, 0x41, 0xd4, 0x38, 0x73, 0x7a, 0x47, 0x01, 0xb8, 0xea, 0xea, 0x2e, 0x01, 0x8e, 0x4f, 0x09, 0x64, 0x82},
+	{0xe4, 0x8b, 0x12, 0xd3, 0xd0, 0x78, 0xb5, 0x5f, 0x3e, 0x9d, 0x94, 0x7f, 0x93, 0x84, 0x77, 0x77, 0xdb, 0x78, 0x41, 0xe8, 0x91, 0xfb, 0x6d, 0x0d, 0xef, 0x00, 0x30, 0x8e, 0x0a, 0xe4, 0x7b, 0xec},
+	{0xe7, 0xb2, 0x76, 0xe7, 0x6c, 0xba, 0x8f, 0x8c, 0x0b, 0xf2, 0xa3, 0xad, 0xc2, 0x2d, 0x92, 0xb4, 0xd5, 0xf2, 0x83, 0x42, 0x65, 0x02, 0xd6, 0x67, 0x9a, 0x78, 0x6a, 0xc1, 0xca, 0x91, 0x87, 0x7c},
+	{0x16, 0x99, 0x13, 0xf8, 0xa9, 0x20, 0x62, 0x2e, 0xc1, 0x84, 0xc0, 0x25, 0xdc, 0x35, 0x1f, 0xe6, 0x32, 0x49, 0x37, 0x79, 0x78, 0xfb, 0xf5, 0xf7, 0x34, 0xf4, 0xa5, 0x49, 0x9f, 0xc8, 0xfa, 0x8e},
+	{0x28, 0x9b, 0x27, 0xae, 0x21, 0x12, 0x14, 0x57, 0x56, 0xf6, 0x9d, 0x7f, 0x0d, 0x28, 0x03, 0xbd, 0x05, 0xd0, 0x11, 0x9e, 0xf1, 0x98, 0x8e, 0x1c, 0xbe, 0xc1, 0x83, 0xdb, 0x1a, 0x65, 0x08, 0x0d},
+	{0xef, 0x42, 0x3a, 0x0b, 0x2f, 0xea, 0xdf, 0xfe, 0xeb, 0xd9, 0x72, 0x9a, 0xcf, 0x5a, 0xac, 0x19, 0x09, 0x75, 0x25, 0x64, 0x61, 0x19, 0xf5, 0xcd, 0xdb, 0x9d, 0xcf, 0x4a, 0xa9, 0xf5, 0x48, 0x2c},
+	{0x47, 0x69, 0xaa, 0x80, 0x3f, 0xd3, 0x02, 0x67, 0xe9, 0x8b, 0x82, 0xa8, 0x02, 0xe8, 0xcf, 0x60, 0x66, 0xaa, 0xcf, 0x05, 0x0a, 0x85, 0xeb, 0x3d, 0x87, 0x21, 0xcc, 0xe2, 0xdd, 0x6c, 0x42, 0x54},
+	{0xd8, 0xb4, 0x39, 0x4f, 0x78, 0xce, 0xd8, 0xad, 0x57, 0xbe, 0xda, 0x18, 0x8f, 0x4a, 0x9b, 0x41, 0xfe, 0x58, 0x9d, 0xa1, 0xd4, 0x71, 0x6e, 0x2f, 0x04, 0xaf, 0x37, 0xa0, 0x29, 0x60, 0x6f, 0x9d},
+	{0x84, 0x4a, 0x39, 0x0a, 0x5e, 0x24, 0x81, 0x2e, 0x63, 0xc9, 0xb6, 0xde, 0xc3, 0xf1, 0x82, 0x7b, 0x82, 0x14, 0x07, 0xde, 0x46, 0x03, 0x25, 0x27, 0x4d, 0x09, 0x6b, 0x7e, 0xb9, 0x82, 0x98, 0x41},
+	{0x68, 0xf8, 0x98, 0x04, 0xb2, 0x61, 0x78, 0xbf, 0x8a, 0x69, 0x4d, 0xc7, 0x83, 0x4a, 0xe7, 0x77, 0xf7, 0x4b, 0x00, 0x28, 0x34, 0xe6, 0x36, 0xca, 0xa2, 0x58, 0x37, 0x61, 0x60, 0x95, 0x0d, 0xa6},
+	{0x20, 0x00, 0x7e, 0x29, 0xa8, 0x6e, 0xca, 0xb8, 0x1b, 0xbc, 0x94, 0x29, 0x2b, 0x18, 0xaa, 0x56, 0x0f, 0x4c, 0x38, 0x1a, 0x7a, 0x16, 0xe8, 0xbb, 0x51, 0xb7, 0xb3, 0xe3, 0x22, 0x8e, 0x9c, 0x05},
+	{0xa8, 0x0f, 0x08, 0x4d, 0xf1, 0xd1, 0xd8, 0x2c, 0xac, 0xe8, 0x73, 0x43, 0xcc, 0x73, 0x6b, 0x03, 0x40, 0x21, 0x85, 0x9b, 0x9d, 0x63, 0xa8, 0x44, 0x6a, 0x6c, 0x23, 0xe3, 0x4e, 0x76, 0xb1, 0x51},
+	{0x90, 0x61, 0x31, 0xfe, 0xf7, 0x4a, 0x8f, 0x06, 0x9e, 0x75, 0x6a, 0x5a, 0x66, 0xdd, 0xa2, 0xe4, 0x9b, 0x8f, 0x98, 0xbb, 0x18, 0x9a, 0x96, 0x84, 0xfa, 0xe4, 0x3c, 0xd2, 0x2c, 0x96, 0x61, 0xd8},
+	{0x96, 0xb4, 0x84, 0xa8, 0x8b, 0x6f, 0xeb, 0xc5, 0x3e, 0xa3, 0x48, 0xd5, 0x00, 0x95, 0x47, 0xda, 0xc1, 0x2d, 0x95, 0x68, 0x49, 0x29, 0x15, 0xb9, 0x36, 0x59, 0x4c, 0x0b, 0x77, 0xdc, 0x01, 0x06},
+	{0x58, 0x37, 0xa7, 0x03, 0x40, 0x70, 0x91, 0xee, 0x29, 0x75, 0x10, 0xd4, 0xec, 0x01, 0x87, 0x5f, 0x2e, 0xb5, 0x56, 0xc6, 0x2d, 0xe9, 0x2b, 0xb4, 0xab, 0x95, 0x82, 0x1f, 0x11, 0xf2, 0xb8, 0xc9},
+	{0x81, 0xbf, 0xb0, 0x58, 0xcc, 0xdd, 0x0e, 0xf1, 0x9c, 0x17, 0x6b, 0xa0, 0xe6, 0x42, 0x8c, 0x1a, 0x3c, 0x9c, 0x20, 0x18, 0x0b, 0x52, 0x66, 0x5a, 0xc1, 0xe5, 0xc5, 0x66, 0x35, 0xe5, 0x26, 0x4f},
+	{0xca, 0x73, 0xe0, 0x95, 0x2c, 0xc7, 0xa9, 0x22, 0x58, 0x68, 0x49, 0xb3, 0x68, 0xdc, 0x34, 0xe1, 0x3b, 0x17, 0x67, 0xaa, 0x82, 0xa1, 0xb6, 0xbd, 0x69, 0x9b, 0xf6, 0x00, 0x71, 0x51, 0x08, 0xca},
+	{0xce, 0x06, 0x68, 0x95, 0x13, 0x37, 0x8b, 0x32, 0xc9, 0x62, 0x38, 0xc9, 0x78, 0x90, 0x89, 0x0e, 0x3a, 0x5d, 0x85, 0x50, 0x1c, 0x4c, 0xd6, 0x80, 0xcc, 0x5f, 0x63, 0xf0, 0xc9, 0xfe, 0x7a, 0xb5},
+	{0x79, 0x78, 0x8d, 0x38, 0x13, 0xdf, 0xb7, 0x37, 0x18, 0x78, 0xbd, 0x2f, 0x3e, 0xc7, 0x2c, 0x46, 0xd2, 0x74, 0x01, 0xe9, 0xa1, 0x3f, 0xfe, 0x46, 0x11, 0xb0, 0x85, 0x2f, 0x6d, 0x4b, 0x4b, 0x8e},
+	{0x11, 0xce, 0x55, 0xe4, 0xba, 0xf7, 0x11, 0xcd, 0xe8, 0xa8, 0x04, 0x33, 0xbd, 0x19, 0xe8, 0xbe, 0xa1, 0x00, 0xd3, 0x28, 0xca, 0x78, 0x56, 0x6d, 0xde, 0xe5, 0x71, 0x13, 0xc2, 0xbd, 0xd8, 0xc2},
+	{0x04, 0x64, 0xdb, 0xdb, 0x8b, 0x4f, 0x73, 0x0e, 0x0a, 0x9e, 0xfe, 0xd0, 0x5d, 0x92, 0x3e, 0xf8, 0xf4, 0x8b, 0xef, 0xb6, 0x6f, 0x42, 0xc9, 0xea, 0x73, 0xfb, 0xb6, 0x8e, 0x37, 0x74, 0xae, 0x39},
+	{0x91, 0x1e, 0x40, 0x74, 0x23, 0xa7, 0xa8, 0x00, 0xfc, 0xa1, 0x16, 0xed, 0xcf, 0xff, 0xce, 0xea, 0x3f, 0x31, 0x54, 0xad, 0x19, 0x98, 0xcb, 0x5d, 0xfd, 0x82, 0xe2, 0x48, 0xbf, 0xc3, 0x74, 0x71},
+	{0x5f, 0x45, 0x5f, 0xba, 0x82, 0x5d, 0xc4, 0x20, 0x12, 0x67, 0x65, 0x0d, 0x8b, 0x14, 0x45, 0x20, 0xd3, 0xbc, 0xb4, 0x23, 0x26, 0x98, 0xfc, 0x05, 0x8f, 0xa5, 0x99, 0xe2, 0x78, 0x74, 0x72, 0x71},
+	{0xda, 0xa5, 0x2a, 0xc1, 0x13, 0xa4, 0x3b, 0xeb, 0x41, 0x51, 0x1b, 0x96, 0xa3, 0xa0, 0x5b, 0xd8, 0xed, 0x5e, 0x69, 0x67, 0xfb, 0xc5, 0x27, 0x66, 0x56, 0x8a, 0xb2, 0x1e, 0x93, 0xbf, 0xb0, 0x36},
+	{0x54, 0xb8, 0x17, 0xb6, 0xd2, 0x26, 0x22, 0x93, 0xdc, 0xb5, 0xd5, 0x32, 0x1b, 0x76, 0x3c, 0xfa, 0x24, 0x04, 0xcb, 0xa0, 0x1b, 0xcb, 0xa3, 0x12, 0x20, 0x60, 0x3b, 0x59, 0xe5, 0xdf, 0xf7, 0xbf},
+	{0x41, 0x42, 0x6c, 0xbf, 0xfa, 0x23, 0xcc, 0xee, 0x3e, 0xf6, 0xf3, 0xbf, 0xa1, 0x39, 0x9b, 0x6e, 0x7f, 0xfb, 0x2c, 0x7f, 0x4e, 0xf5, 0x35, 0x78, 0xb5, 0x5e, 0x77, 0x02, 0x40, 0x2a, 0xbc, 0x77},
+	{0x9b, 0xc5, 0x2f, 0xb6, 0xa1, 0x3d, 0x5a, 0xc0, 0x9a, 0x23, 0xce, 0xbf, 0x9b, 0x94, 0xad, 0xd4, 0xe4, 0x6f, 0x0f, 0x0a, 0x64, 0x55, 0x22, 0x26, 0xbc, 0x8b, 0xba, 0xdf, 0xb9, 0x04, 0x3a, 0x5b},
+	{0x7b, 0x66, 0x20, 0xcf, 0x63, 0xeb, 0x29, 0xb9, 0x11, 0xc5, 0x5e, 0x18, 0x98, 0x15, 0x2f, 0x69, 0x60, 0xa7, 0xf1, 0x0c, 0xc1, 0x6b, 0x6f, 0xba, 0xd3, 0x2c, 0x83, 0x7d, 0x9d, 0x8e, 0x2b, 0x74},
+	{0x7b, 0x9b, 0xcd, 0x1a, 0xe3, 0xfd, 0xd9, 0xd4, 0x74, 0x2e, 0x0d, 0xbc, 0xe1, 0x3c, 0x54, 0x2c, 0xc1, 0x81, 0xb5, 0x0b, 0xa0, 0xf9, 0xd5, 0xe1, 0xca, 0x18, 0x00, 0xf9, 0xb5, 0x84, 0x85, 0xca},
+	{0xe7, 0xc9, 0xe2, 0xc8, 0x33, 0x41, 0x31, 0x15, 0xb3, 0x84, 0x3f, 0x79, 0x18, 0xe9, 0x98, 0x5a, 0x51, 0x60, 0xf0, 0x5a, 0x5b, 0xf8, 0x7f, 0x5f, 0xdd, 0x70, 0x27, 0xe3, 0x8f, 0xe3, 0x39, 0xf4},
+	{0x36, 0x0d, 0x5b, 0xa8, 0x0e, 0x59, 0xe2, 0x82, 0xa2, 0x39, 0xdf, 0x28, 0x34, 0x4d, 0x4f, 0x74, 0xee, 0xd8, 0x6b, 0xa0, 0xd8, 0x9d, 0xe7, 0x88, 0x05, 0x4e, 0xba, 0x6b, 0x50, 0x03, 0x89, 0xa2},
+	{0x89, 0xd6, 0x81, 0x5f, 0x68, 0x39, 0x36, 0x6c, 0x25, 0xad, 0xb6, 0x43, 0xff, 0x6b, 0x5e, 0x19, 0x63, 0xd3, 0xff, 0xd0, 0xce, 0x1a, 0xa7, 0x8c, 0x7f, 0xeb, 0x5a, 0x6e, 0x99, 0xf1, 0xb4, 0xdb},
+	{0x1f, 0x36, 0x6f, 0x27, 0xc8, 0x2f, 0x23, 0x81, 0xfc, 0x02, 0x80, 0x4f, 0x8b, 0x8d, 0xa8, 0x2f, 0x3d, 0x35, 0x91, 0xe3, 0x60, 0x90, 0x7c, 0x57, 0x03, 0xc3, 0xa9, 0xed, 0xb1, 0x72, 0x3e, 0x3e},
+}
+
+var _test_32_digests = [][32]byte{
+	{0x22, 0xd8, 0x35, 0x89, 0xe6, 0x42, 0xe1, 0xb1, 0x40, 0xed, 0x1b, 0x48, 0x48, 0x5b, 0x44, 0xc7, 0x07, 0x9d, 0xf3, 0xb2, 0x04, 0xbe, 0x48, 0x69, 0x42, 0x1d, 0x45, 0x49, 0xf3, 0x9e, 0x2c, 0xc7},
+	{0xac, 0xfe, 0x28, 0x1d, 0x11, 0x77, 0x7c, 0x1e, 0x22, 0xe0, 0xb7, 0x16, 0x0f, 0x01, 0x66, 0x92, 0xa7, 0xb3, 0xb5, 0x69, 0xed, 0x12, 0x8d, 0x93, 0xcf, 0xce, 0x27, 0x49, 0xfd, 0x1c, 0x85, 0x01},
+	{0xbc, 0xb2, 0xa2, 0x0b, 0x95, 0x58, 0x91, 0x64, 0x1f, 0x3a, 0x5d, 0x80, 0xaa, 0x11, 0x49, 0xa5, 0x1b, 0xac, 0xb7, 0x1e, 0x06, 0x62, 0x45, 0x34, 0xa5, 0x66, 0xd1, 0xc7, 0x5a, 0xa9, 0x68, 0xc9},
+	{0x4d, 0xe2, 0xaa, 0x4b, 0xc4, 0x6c, 0x1c, 0x3d, 0x42, 0x65, 0x34, 0x8a, 0x2c, 0x7a, 0x64, 0xa8, 0xd9, 0x8a, 0x82, 0xe4, 0x8b, 0x9c, 0xc9, 0x3c, 0x3c, 0xcd, 0x34, 0x4d, 0x71, 0x76, 0xda, 0x69},
+	{0x1e, 0x00, 0xd3, 0xc6, 0x59, 0x37, 0x27, 0x6a, 0x6a, 0xae, 0xa7, 0xd8, 0x37, 0x51, 0xac, 0x74, 0x2d, 0xe0, 0xb6, 0x7e, 0xc5, 0xa8, 0xa7, 0x56, 0x5b, 0x0f, 0x10, 0xba, 0x8a, 0x40, 0xe2, 0x1c},
+	{0x30, 0x96, 0xdb, 0x9d, 0xcf, 0xa9, 0x5c, 0xf4, 0xa4, 0xc4, 0xc9, 0xd5, 0xa0, 0x1e, 0xd4, 0x30, 0xe5, 0xe8, 0xad, 0x9d, 0xaa, 0x8e, 0x79, 0x1c, 0x5d, 0x6c, 0xac, 0x1a, 0xb3, 0x65, 0xb5, 0x14},
+	{0x7a, 0xee, 0xd5, 0xc9, 0x66, 0x17, 0x59, 0x7f, 0x89, 0xd6, 0xd9, 0xe8, 0xa8, 0xa7, 0x01, 0x47, 0x60, 0xc6, 0x88, 0xfd, 0x2a, 0x7a, 0xf6, 0x1d, 0x10, 0x20, 0x62, 0x7e, 0x7c, 0xd0, 0x1a, 0x0b},
+	{0xce, 0x0c, 0x94, 0xa7, 0x41, 0x25, 0xa5, 0xe3, 0x96, 0x77, 0xd6, 0xbd, 0x91, 0xca, 0xe6, 0x06, 0xf3, 0x90, 0xe0, 0x37, 0xcc, 0xc1, 0x2c, 0x7d, 0x97, 0x97, 0xf3, 0x56, 0xf0, 0xbd, 0x66, 0x43},
+	{0xbc, 0xb2, 0xa2, 0x0b, 0x95, 0x58, 0x91, 0x64, 0x1f, 0x3a, 0x5d, 0x80, 0xaa, 0x11, 0x49, 0xa5, 0x1b, 0xac, 0xb7, 0x1e, 0x06, 0x62, 0x45, 0x34, 0xa5, 0x66, 0xd1, 0xc7, 0x5a, 0xa9, 0x68, 0xc9},
+	{0x4d, 0xe2, 0xaa, 0x4b, 0xc4, 0x6c, 0x1c, 0x3d, 0x42, 0x65, 0x34, 0x8a, 0x2c, 0x7a, 0x64, 0xa8, 0xd9, 0x8a, 0x82, 0xe4, 0x8b, 0x9c, 0xc9, 0x3c, 0x3c, 0xcd, 0x34, 0x4d, 0x71, 0x76, 0xda, 0x69},
+	{0x1e, 0x00, 0xd3, 0xc6, 0x59, 0x37, 0x27, 0x6a, 0x6a, 0xae, 0xa7, 0xd8, 0x37, 0x51, 0xac, 0x74, 0x2d, 0xe0, 0xb6, 0x7e, 0xc5, 0xa8, 0xa7, 0x56, 0x5b, 0x0f, 0x10, 0xba, 0x8a, 0x40, 0xe2, 0x1c},
+	{0x30, 0x96, 0xdb, 0x9d, 0xcf, 0xa9, 0x5c, 0xf4, 0xa4, 0xc4, 0xc9, 0xd5, 0xa0, 0x1e, 0xd4, 0x30, 0xe5, 0xe8, 0xad, 0x9d, 0xaa, 0x8e, 0x79, 0x1c, 0x5d, 0x6c, 0xac, 0x1a, 0xb3, 0x65, 0xb5, 0x14},
+	{0x7a, 0xee, 0xd5, 0xc9, 0x66, 0x17, 0x59, 0x7f, 0x89, 0xd6, 0xd9, 0xe8, 0xa8, 0xa7, 0x01, 0x47, 0x60, 0xc6, 0x88, 0xfd, 0x2a, 0x7a, 0xf6, 0x1d, 0x10, 0x20, 0x62, 0x7e, 0x7c, 0xd0, 0x1a, 0x0b},
+	{0xd4, 0x1f, 0xa7, 0x89, 0x8c, 0xf9, 0x05, 0xfc, 0x1e, 0xb0, 0x04, 0xd7, 0xaa, 0x56, 0x35, 0xec, 0x36, 0xf5, 0x0d, 0x41, 0x75, 0x64, 0x34, 0x71, 0xf0, 0x3b, 0x5b, 0xb2, 0xcc, 0xfa, 0x8c, 0xca},
+	{0xf8, 0xd9, 0x9e, 0xa7, 0x9c, 0xa1, 0xe0, 0x3a, 0x19, 0x4f, 0xd3, 0x2d, 0xbd, 0x40, 0x3a, 0xa3, 0x28, 0xe8, 0xa4, 0x27, 0x58, 0x44, 0x12, 0xf7, 0x69, 0x01, 0x66, 0xfa, 0xf1, 0x97, 0x30, 0xfe},
+	{0x99, 0x7c, 0x24, 0x0e, 0xed, 0x31, 0x0a, 0xda, 0x12, 0x16, 0x0e, 0x06, 0x44, 0xb8, 0x3f, 0xa2, 0x40, 0x52, 0xbc, 0x2d, 0xaf, 0x97, 0x00, 0x01, 0x5d, 0xbb, 0x0d, 0x06, 0x66, 0xb1, 0x59, 0xf2},
+	{0x99, 0x43, 0x52, 0x77, 0x28, 0x39, 0x6b, 0xeb, 0x03, 0x51, 0xc4, 0x5f, 0x7d, 0xd3, 0xe1, 0x41, 0x17, 0x66, 0x7b, 0x0e, 0xc9, 0x51, 0x01, 0xa7, 0x39, 0xf3, 0xc8, 0x63, 0x95, 0xa5, 0x92, 0x6b},
+	{0xce, 0x6e, 0xab, 0xd2, 0xe8, 0xad, 0x90, 0xad, 0xbe, 0xe5, 0x94, 0x96, 0xa9, 0x98, 0xe7, 0x83, 0x07, 0xa4, 0x0f, 0x8e, 0xe5, 0xb3, 0x5a, 0x05, 0xcd, 0xfd, 0xae, 0x9c, 0x07, 0xad, 0x26, 0xaa},
+	{0xf5, 0xee, 0x66, 0x87, 0x00, 0xed, 0xeb, 0x8b, 0xc2, 0x7d, 0x97, 0x52, 0x2d, 0xfc, 0x0a, 0x2a, 0x32, 0x0e, 0x92, 0xd2, 0x91, 0xd1, 0x69, 0x29, 0x9d, 0xb1, 0x3a, 0x65, 0x9f, 0x8e, 0x7e, 0x2a},
+	{0x88, 0x4a, 0xc8, 0x81, 0xdb, 0xa6, 0x79, 0x36, 0x54, 0xe9, 0x15, 0x5c, 0xff, 0x06, 0x35, 0x8b, 0x6e, 0x0d, 0xaa, 0x3e, 0x7a, 0x82, 0x7c, 0x4a, 0xfe, 0x8a, 0x91, 0xb4, 0x34, 0xed, 0xe3, 0x17},
+	{0xe7, 0x92, 0xa4, 0x91, 0xdc, 0x1d, 0x83, 0xc8, 0x72, 0x5a, 0xd1, 0x27, 0x17, 0x78, 0x2b, 0xc7, 0x67, 0xe9, 0x56, 0xf2, 0xb4, 0x37, 0x51, 0xa1, 0x6b, 0x23, 0x8c, 0xc9, 0x03, 0x3d, 0x90, 0x1e},
+	{0xc4, 0x1f, 0xcc, 0x5e, 0xcb, 0x5e, 0x7d, 0x02, 0x12, 0x3f, 0x15, 0x9f, 0x35, 0xf4, 0x49, 0x55, 0xba, 0xc6, 0x47, 0xd2, 0x85, 0x85, 0x61, 0x69, 0xa5, 0x60, 0x7a, 0x32, 0x7f, 0x8e, 0x09, 0x5f},
+	{0x60, 0xb6, 0xab, 0xb5, 0x6b, 0x4d, 0xce, 0x6f, 0x1d, 0x77, 0x2e, 0x9b, 0x0d, 0x60, 0x76, 0xe3, 0xcb, 0x79, 0xbc, 0x40, 0x2d, 0x16, 0xf6, 0xa3, 0x06, 0x12, 0x36, 0x71, 0xda, 0xfd, 0x28, 0x89},
+	{0x67, 0xdd, 0x7f, 0x26, 0x6d, 0x2e, 0xf3, 0xef, 0x13, 0xb6, 0x09, 0x73, 0x82, 0xbc, 0x73, 0x25, 0x83, 0xc0, 0x34, 0x90, 0xe8, 0xad, 0xf0, 0x17, 0x8d, 0xed, 0xad, 0x29, 0xf7, 0x78, 0x9c, 0x28},
+	{0x00, 0xb0, 0xd5, 0xd0, 0x8e, 0x9b, 0xe5, 0xf0, 0x46, 0x8e, 0x60, 0x25, 0x95, 0xe5, 0x3a, 0x46, 0xb1, 0x07, 0x74, 0x97, 0xed, 0x0a, 0x2f, 0x9a, 0x3f, 0xf3, 0x94, 0x2f, 0xb3, 0x12, 0xa1, 0x91},
+	{0x8d, 0x36, 0x16, 0xc6, 0x00, 0x88, 0xd6, 0x69, 0xb4, 0x5a, 0x71, 0x18, 0x41, 0xe5, 0x4d, 0xb2, 0xd9, 0x00, 0x7a, 0x17, 0x63, 0x6a, 0x9b, 0x2e, 0x22, 0x12, 0x5b, 0xa3, 0x74, 0x7c, 0x95, 0xc9},
+	{0x4e, 0xfc, 0x5c, 0x18, 0xd1, 0x8a, 0x5b, 0x57, 0x7c, 0x86, 0x3e, 0xe2, 0x75, 0x91, 0xf2, 0xb3, 0x5f, 0xd0, 0x92, 0xbc, 0x77, 0xbe, 0x1b, 0xef, 0x1a, 0x7c, 0xe2, 0xd8, 0x8d, 0x7b, 0xef, 0xf7},
+	{0xcd, 0x78, 0x15, 0x64, 0x2c, 0x78, 0x57, 0x74, 0x2b, 0xb7, 0xdb, 0x74, 0xe2, 0xab, 0x82, 0xbb, 0x61, 0x32, 0x3e, 0xe4, 0xb1, 0x00, 0xde, 0xb2, 0x35, 0x1e, 0x3e, 0x1c, 0x91, 0x9d, 0x87, 0xde},
+	{0x17, 0xcc, 0x52, 0x5c, 0x60, 0x9e, 0xd8, 0xd4, 0xf4, 0x56, 0x28, 0x16, 0xde, 0xde, 0x73, 0xfe, 0xd9, 0x92, 0xb7, 0x99, 0x15, 0x24, 0x1b, 0x40, 0xb0, 0xda, 0x9a, 0xf8, 0x24, 0x38, 0x13, 0xbd},
+	{0xd0, 0x45, 0x9b, 0xe3, 0x9a, 0xae, 0x78, 0x41, 0xcd, 0x12, 0x9a, 0x6b, 0x91, 0x58, 0x29, 0x75, 0xae, 0x21, 0xd3, 0xf2, 0x5e, 0x98, 0xab, 0x09, 0xb0, 0xaa, 0x62, 0x96, 0x35, 0x64, 0x18, 0x48},
+	{0xd2, 0x5b, 0x10, 0xf1, 0x35, 0xaa, 0x04, 0x49, 0x4e, 0x51, 0x30, 0x0d, 0xb6, 0xbf, 0xa0, 0x9b, 0xa0, 0xf5, 0x66, 0x5f, 0x28, 0xc7, 0x8d, 0xa8, 0x3e, 0x0f, 0xe4, 0xa7, 0xc9, 0xd4, 0x0f, 0x7d},
+	{0xb7, 0x80, 0xc2, 0x31, 0xe6, 0x75, 0x0c, 0xad, 0x0f, 0xe8, 0xed, 0x59, 0x34, 0xdb, 0xfb, 0x41, 0xd4, 0x38, 0x73, 0x7a, 0x47, 0x01, 0xb8, 0xea, 0xea, 0x2e, 0x01, 0x8e, 0x4f, 0x09, 0x64, 0x82},
+}
+
+func TestHash(t *testing.T) {
+	tests := []struct {
+		name  string
+		count uint32
+	}{
+		{
+			name:  "hash 1 block",
+			count: 1,
+		},
+		{
+			name:  "hash 4 blocks",
+			count: 4,
+		},
+		{
+			name:  "hash 8 blocks",
+			count: 8,
+		},
+		{
+			name:  "hash 16 blocks",
+			count: 16,
+		},
+		{
+			name:  "hash 18 blocks",
+			count: 18,
+		},
+		{
+			name:  "hash 24 blocks",
+			count: 24,
+		},
+		{
+			name:  "hash 32 blocks",
+			count: 32,
+		},
+		{
+			name:  "hash 31 blocks",
+			count: 31,
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			digests := make([][32]byte, tt.count)
+			err := Hash(digests, _test_32_block[:2*tt.count])
+			if err != nil {
+				t.Log(err)
+				t.Fail()
+			}
+			if !reflect.DeepEqual(digests, _test_32_digests[:tt.count]) {
+				t.Logf("Digests are different\n Expected: %x\n Produced: %x\n",
+					_test_32_digests[:tt.count], digests)
+				t.Fail()
+			}
+			digests2 := make([][32]byte, tt.count)
+			sha256_1_generic(digests2, _test_32_block[:2*tt.count])
+			if err != nil {
+				t.Log(err)
+				t.Fail()
+			}
+			if !reflect.DeepEqual(digests2, _test_32_digests[:tt.count]) {
+				t.Logf("Digests are different\n Expected: %x\n Produced: %x\n",
+					_test_32_digests[:tt.count], digests)
+				t.Fail()
+			}
+		})
+	}
+}
+
+func BenchmarkHash_1(b *testing.B) {
+	chunks := make([][32]byte, 2)
+	digests := make([][32]byte, 1)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		Hash(digests, chunks)
+	}
+}
+
+func BenchmarkHash_4(b *testing.B) {
+	chunks := make([][32]byte, 8)
+	digests := make([][32]byte, 4)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		Hash(digests, chunks)
+	}
+}
+
+func BenchmarkHash_8(b *testing.B) {
+	chunks := make([][32]byte, 16)
+	digests := make([][32]byte, 8)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		Hash(digests, chunks)
+	}
+}
+
+func BenchmarkHash_16(b *testing.B) {
+	chunks := make([][32]byte, 32)
+	digests := make([][32]byte, 16)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		Hash(digests, chunks)
+	}
+}
+
+func BenchmarkHashList(b *testing.B) {
+	balances := make([][32]byte, 400000)
+	for i := 0; i < len(balances); i++ {
+		balances[i] = [32]byte{'A'}
+	}
+	digests := make([][32]byte, 200000)
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		Hash(digests, balances)
+	}
+}
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..64333ba
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/prysmaticlabs/hashtree
+
+go 1.22.2
+
+require github.com/klauspost/cpuid/v2 v2.0.9
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..a389a66
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+github.com/klauspost/cpuid/v2 v2.0.9 h1:lgaqFMSdTdQYdZ04uHyN2d/eKdOMyi2YLSvlQIBFYa4=
+github.com/klauspost/cpuid/v2 v2.0.9/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
diff --git a/hashtree_amd64.syso b/hashtree_amd64.syso
new file mode 100644
index 0000000..0a5be28
Binary files /dev/null and b/hashtree_amd64.syso differ
diff --git a/hashtree_darwin_arm64.syso b/hashtree_darwin_arm64.syso
new file mode 100644
index 0000000..c9e606f
Binary files /dev/null and b/hashtree_darwin_arm64.syso differ
diff --git a/hashtree_linux_arm64.syso b/hashtree_linux_arm64.syso
new file mode 100644
index 0000000..943c87e
Binary files /dev/null and b/hashtree_linux_arm64.syso differ
diff --git a/hashtree_windows_amd64.syso b/hashtree_windows_amd64.syso
new file mode 100644
index 0000000..12a436d
Binary files /dev/null and b/hashtree_windows_amd64.syso differ
diff --git a/sha256_1_generic.go b/sha256_1_generic.go
new file mode 100644
index 0000000..45dc6f5
--- /dev/null
+++ b/sha256_1_generic.go
@@ -0,0 +1,231 @@
+/*
+MIT License
+
+# Copyright (c) 2021-2022 Prysmatic Labs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+*/
+package hashtree
+
+import (
+	"encoding/binary"
+	"math/bits"
+)
+
+const (
+	init0 = uint32(0x6A09E667)
+	init1 = uint32(0xBB67AE85)
+	init2 = uint32(0x3C6EF372)
+	init3 = uint32(0xA54FF53A)
+	init4 = uint32(0x510E527F)
+	init5 = uint32(0x9B05688C)
+	init6 = uint32(0x1F83D9AB)
+	init7 = uint32(0x5BE0CD19)
+)
+
+var _P = []uint32{
+	0xc28a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+	0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+	0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+	0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf374,
+	0x649b69c1, 0xf0fe4786, 0x0fe1edc6, 0x240cf254,
+	0x4fe9346f, 0x6cc984be, 0x61b9411e, 0x16f988fa,
+	0xf2c65152, 0xa88e5a6d, 0xb019fc65, 0xb9d99ec7,
+	0x9a1231c3, 0xe70eeaa0, 0xfdb1232b, 0xc7353eb0,
+	0x3069bad5, 0xcb976d5f, 0x5a0f118f, 0xdc1eeefd,
+	0x0a35b689, 0xde0b7a04, 0x58f4ca9d, 0xe15d5b16,
+	0x007f3e86, 0x37088980, 0xa507ea32, 0x6fab9537,
+	0x17406110, 0x0d8cd6f1, 0xcdaa3b6d, 0xc0bbbe37,
+	0x83613bda, 0xdb48a363, 0x0b02e931, 0x6fd15ca7,
+	0x521afaca, 0x31338431, 0x6ed41a95, 0x6d437890,
+	0xc39c91f2, 0x9eccabbd, 0xb5c9a0e6, 0x532fb63c,
+	0xd2c741c6, 0x07237ea3, 0xa4954b68, 0x4c191d76,
+}
+
+var _K = []uint32{
+	0x428a2f98,
+	0x71374491,
+	0xb5c0fbcf,
+	0xe9b5dba5,
+	0x3956c25b,
+	0x59f111f1,
+	0x923f82a4,
+	0xab1c5ed5,
+	0xd807aa98,
+	0x12835b01,
+	0x243185be,
+	0x550c7dc3,
+	0x72be5d74,
+	0x80deb1fe,
+	0x9bdc06a7,
+	0xc19bf174,
+	0xe49b69c1,
+	0xefbe4786,
+	0x0fc19dc6,
+	0x240ca1cc,
+	0x2de92c6f,
+	0x4a7484aa,
+	0x5cb0a9dc,
+	0x76f988da,
+	0x983e5152,
+	0xa831c66d,
+	0xb00327c8,
+	0xbf597fc7,
+	0xc6e00bf3,
+	0xd5a79147,
+	0x06ca6351,
+	0x14292967,
+	0x27b70a85,
+	0x2e1b2138,
+	0x4d2c6dfc,
+	0x53380d13,
+	0x650a7354,
+	0x766a0abb,
+	0x81c2c92e,
+	0x92722c85,
+	0xa2bfe8a1,
+	0xa81a664b,
+	0xc24b8b70,
+	0xc76c51a3,
+	0xd192e819,
+	0xd6990624,
+	0xf40e3585,
+	0x106aa070,
+	0x19a4c116,
+	0x1e376c08,
+	0x2748774c,
+	0x34b0bcb5,
+	0x391c0cb3,
+	0x4ed8aa4a,
+	0x5b9cca4f,
+	0x682e6ff3,
+	0x748f82ee,
+	0x78a5636f,
+	0x84c87814,
+	0x8cc70208,
+	0x90befffa,
+	0xa4506ceb,
+	0xbef9a3f7,
+	0xc67178f2,
+}
+
+func sha256_1_generic(digests [][32]byte, p [][32]byte) {
+	var w [16]uint32
+	for k := 0; k < len(p)/2; k++ {
+		// First 16 rounds
+		a, b, c, d, e, f, g, h := init0, init1, init2, init3, init4, init5, init6, init7
+		for i := 0; i < 8; i++ {
+			j := i * 4
+			w[i] = uint32(p[2*k][j])<<24 | uint32(p[2*k][j+1])<<16 | uint32(p[2*k][j+2])<<8 | uint32(p[2*k][j+3])
+			t1 := h + ((bits.RotateLeft32(e, -6)) ^ (bits.RotateLeft32(e, -11)) ^ (bits.RotateLeft32(e, -25))) + ((e & f) ^ (^e & g)) + _K[i] + w[i]
+
+			t2 := ((bits.RotateLeft32(a, -2)) ^ (bits.RotateLeft32(a, -13)) ^ (bits.RotateLeft32(a, -22))) + ((a & b) ^ (a & c) ^ (b & c))
+
+			h = g
+			g = f
+			f = e
+			e = d + t1
+			d = c
+			c = b
+			b = a
+			a = t1 + t2
+		}
+		for i := 8; i < 16; i++ {
+			j := (i - 8) * 4
+			w[i] = uint32(p[2*k+1][j])<<24 | uint32(p[2*k+1][j+1])<<16 | uint32(p[2*k+1][j+2])<<8 | uint32(p[2*k+1][j+3])
+			t1 := h + ((bits.RotateLeft32(e, -6)) ^ (bits.RotateLeft32(e, -11)) ^ (bits.RotateLeft32(e, -25))) + ((e & f) ^ (^e & g)) + _K[i] + w[i]
+
+			t2 := ((bits.RotateLeft32(a, -2)) ^ (bits.RotateLeft32(a, -13)) ^ (bits.RotateLeft32(a, -22))) + ((a & b) ^ (a & c) ^ (b & c))
+
+			h = g
+			g = f
+			f = e
+			e = d + t1
+			d = c
+			c = b
+			b = a
+			a = t1 + t2
+		}
+		// Last 48 rounds
+		for i := 16; i < 64; i++ {
+			v1 := w[(i-2)%16]
+			t1 := (bits.RotateLeft32(v1, -17)) ^ (bits.RotateLeft32(v1, -19)) ^ (v1 >> 10)
+			v2 := w[(i-15)%16]
+			t2 := (bits.RotateLeft32(v2, -7)) ^ (bits.RotateLeft32(v2, -18)) ^ (v2 >> 3)
+			w[i%16] += t1 + w[(i-7)%16] + t2
+
+			t1 = h + ((bits.RotateLeft32(e, -6)) ^ (bits.RotateLeft32(e, -11)) ^ (bits.RotateLeft32(e, -25))) + ((e & f) ^ (^e & g)) + _K[i] + w[i%16]
+			t2 = ((bits.RotateLeft32(a, -2)) ^ (bits.RotateLeft32(a, -13)) ^ (bits.RotateLeft32(a, -22))) + ((a & b) ^ (a & c) ^ (b & c))
+			h = g
+			g = f
+			f = e
+			e = d + t1
+			d = c
+			c = b
+			b = a
+			a = t1 + t2
+		}
+		// Add original digest
+		a += init0
+		b += init1
+		c += init2
+		d += init3
+		e += init4
+		f += init5
+		g += init6
+		h += init7
+
+		h0, h1, h2, h3, h4, h5, h6, h7 := a, b, c, d, e, f, g, h
+		// Rounds with padding
+		for i := 0; i < 64; i++ {
+			t1 := h + ((bits.RotateLeft32(e, -6)) ^ (bits.RotateLeft32(e, -11)) ^ (bits.RotateLeft32(e, -25))) + ((e & f) ^ (^e & g)) + _P[i]
+
+			t2 := ((bits.RotateLeft32(a, -2)) ^ (bits.RotateLeft32(a, -13)) ^ (bits.RotateLeft32(a, -22))) + ((a & b) ^ (a & c) ^ (b & c))
+
+			h = g
+			g = f
+			f = e
+			e = d + t1
+			d = c
+			c = b
+			b = a
+			a = t1 + t2
+		}
+
+		h0 += a
+		h1 += b
+		h2 += c
+		h3 += d
+		h4 += e
+		h5 += f
+		h6 += g
+		h7 += h
+
+		var dig [32]byte
+		binary.BigEndian.PutUint32(dig[0:4], h0)
+		binary.BigEndian.PutUint32(dig[4:8], h1)
+		binary.BigEndian.PutUint32(dig[8:12], h2)
+		binary.BigEndian.PutUint32(dig[12:16], h3)
+		binary.BigEndian.PutUint32(dig[16:20], h4)
+		binary.BigEndian.PutUint32(dig[20:24], h5)
+		binary.BigEndian.PutUint32(dig[24:28], h6)
+		binary.BigEndian.PutUint32(dig[28:32], h7)
+		(digests)[k] = dig
+	}
+}
diff --git a/src/Makefile b/src/Makefile
index a07acbd..4834ff1 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -25,6 +25,7 @@
 ###############################################################################
 VERSION := 0.1.0
 OUT_DIR ?= $(CURDIR)/../build
+BASE_DIR := $(CURDIR)/../
 OBJ_DIR := $(OUT_DIR)/obj
 LIB_DIR := $(OUT_DIR)/lib
 
@@ -58,8 +59,17 @@ else
 endif
 
 # ARM architecture detection
-ARCH := $(shell uname -m)
-ARM := $(shell echo $(ARCH) | grep -E '^(arm|aarch64)' >/dev/null && echo 1 || echo 0)
+ifdef CC
+  ARM = $(shell $(CC) -dM -E - < /dev/null | grep "aarch" | awk '{ print $$3 }')
+  ifneq ($(findstring mingw, $(CC)),)
+	ifneq ($(ARM),1)
+		PLATFORM = Windows
+  	endif
+  endif
+else
+  ARCH = $(shell uname -m)
+  ARM = $(shell echo $(ARCH) | grep -E '^(arm|aarch64)' >/dev/null && echo 1 || echo 0)
+endif
 
 # Cross-platform compiler selection
 # check for default, skip setting if user passed in specific cross-compilation lib
@@ -126,6 +136,10 @@ else
 all: $(libname) test bench
 endif
 
+go_bindings: $(libname)
+	cp $(libname) $(BASE_DIR)/hashtree.syso
+	go build $(BASE_DIR)
+
 test: hashtree.h acutest.h test.c $(libname)
 	$(CC) $(CFLAGS) $(LDFLAGS) -L$(LIB_DIR) -o $(OUT_DIR)/test test.c $(testlibs)
 
@@ -133,7 +147,7 @@ bench: hashtree.h ubench.h bench.c $(libname)
 	$(CC) $(CFLAGS) $(LDFLAGS) -L$(LIB_DIR) -o $(OUT_DIR)/bench bench.c $(benchlibs)
 
 clean:
-	-rm -f $(OBJ_LIST) $(LIB_DIR)/libhashtree.a $(LIB_DIR)/libhashtree.lib $(OUT_DIR)/test $(OUT_DIR)/test.exe $(OUT_DIR)/bench hashtree.pc
+	-rm -f $(OBJ_LIST) $(LIB_DIR)/libhashtree.a $(LIB_DIR)/libhashtree.lib $(OUT_DIR)/test $(OUT_DIR)/test.exe $(OUT_DIR)/bench hashtree.pc $(BASE_DIR)/hashtree.syso
 
 ifeq ($(PREFIX),)
 PREFIX := /usr
diff --git a/wrapper_arm64.s b/wrapper_arm64.s
new file mode 100644
index 0000000..6acfd49
--- /dev/null
+++ b/wrapper_arm64.s
@@ -0,0 +1,18 @@
+// +build arm64
+
+TEXT ·HashtreeHash(SB), 0, $2048-24
+		    MOVD output+0(FP), R0
+		    MOVD input+8(FP), R1
+		    MOVD count+16(FP), R2
+
+
+#define check_shani R19
+		    MOVBU ·hasShani(SB), check_shani
+		    CBNZ  check_shani, shani
+
+		    BL hashtree_sha256_neon_x4(SB)
+		    RET
+
+shani:
+		    BL hashtree_sha256_sha_x1(SB)
+		    RET
diff --git a/wrapper_linux_amd64.s b/wrapper_linux_amd64.s
new file mode 100644
index 0000000..5233440
--- /dev/null
+++ b/wrapper_linux_amd64.s
@@ -0,0 +1,34 @@
+// +build linux,amd64
+
+TEXT ·HashtreeHash(SB), 0, $2048-24
+		    MOVQ output+0(FP), DI
+		    MOVQ input+8(FP), SI 
+		    MOVQ count+16(FP), DX
+
+		    MOVQ SP, BX
+		    ADDQ $2048, SP
+		    ANDQ $~31, SP
+
+		    CMPB ·hasShani(SB), $1
+		    JE shani 
+		    CMPB ·hasAVX512(SB), $1
+		    JE avx512
+		    CMPB ·hasAVX2(SB), $1
+		    JE   avx2 
+		    CALL hashtree_sha256_avx_x1(SB) 
+		    JMP epilog
+
+shani: 
+		    CALL hashtree_sha256_shani_x2(SB)
+		    JMP epilog
+
+avx512: 
+		    CALL hashtree_sha256_avx512_x16(SB) 
+		    JMP epilog
+
+avx2:
+		    CALL hashtree_sha256_avx2_x8(SB)
+
+epilog:
+		    MOVQ BX, SP
+		    RET
diff --git a/wrapper_windows_amd64.s b/wrapper_windows_amd64.s
new file mode 100644
index 0000000..26c268e
--- /dev/null
+++ b/wrapper_windows_amd64.s
@@ -0,0 +1,36 @@
+// +build windows,amd64
+
+TEXT ·HashtreeHash(SB), 0, $1024-24
+		    MOVQ output+0(FP), CX
+		    MOVQ input+8(FP), DX 
+		    MOVQ R8, R12				    // R12 is saved on windows 
+		    MOVQ count+16(FP), R8
+
+		    MOVQ SP, BX
+		    ADDQ $2048, SP
+		    ANDQ $~31, SP
+
+		    CMPB ·hasShani(SB), $1
+		    JE shani 
+		    CMPB ·hasAVX512(SB), $1
+		    JE avx512
+		    CMPB ·hasAVX2(SB), $1
+		    JE   avx2 
+		    CALL hashtree_sha256_avx_x1(SB) 
+		    JMP epilog
+
+shani: 
+		    CALL hashtree_sha256_shani_x2(SB)
+		    JMP epilog
+
+avx512: 
+		    CALL hashtree_sha256_avx512_x16(SB) 
+		    JMP epilog
+
+avx2:
+		    CALL hashtree_sha256_avx2_x8(SB)
+
+epilog:
+		    MOVQ BX, SP
+		    MOVQ R12, R8
+		    RET