1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/github.com/minio/md5-simd/md5.go b/vendor/github.com/minio/md5-simd/md5.go
new file mode 100644
index 00000000..11b0cb96
--- /dev/null
+++ b/vendor/github.com/minio/md5-simd/md5.go
@@ -0,0 +1,63 @@
+package md5simd
+
+import (
+	"crypto/md5"
+	"hash"
+	"sync"
+)
+
+const (
+	// The blocksize of MD5 in bytes.
+	BlockSize = 64
+
+	// The size of an MD5 checksum in bytes.
+	Size = 16
+
+	// internalBlockSize is the internal block size.
+	internalBlockSize = 32 << 10
+)
+
+type Server interface {
+	NewHash() Hasher
+	Close()
+}
+
+type Hasher interface {
+	hash.Hash
+	Close()
+}
+
+// StdlibHasher returns a Hasher that uses the stdlib for hashing.
+// Used hashers are stored in a pool for fast reuse.
+func StdlibHasher() Hasher {
+	return &md5Wrapper{Hash: md5Pool.New().(hash.Hash)}
+}
+
+// md5Wrapper is a wrapper around the builtin hasher.
+type md5Wrapper struct {
+	hash.Hash
+}
+
+var md5Pool = sync.Pool{New: func() interface{} {
+	return md5.New()
+}}
+
+// fallbackServer - Fallback when no assembly is available.
+type fallbackServer struct {
+}
+
+// NewHash -- return regular Golang md5 hashing from crypto
+func (s *fallbackServer) NewHash() Hasher {
+	return &md5Wrapper{Hash: md5Pool.New().(hash.Hash)}
+}
+
+func (s *fallbackServer) Close() {
+}
+
+func (m *md5Wrapper) Close() {
+	if m.Hash != nil {
+		m.Reset()
+		md5Pool.Put(m.Hash)
+		m.Hash = nil
+	}
+}