Restructure codebase move crypto, checksum to top-level, move `split` into donut, move crypto/keys into api/auth

pkg/crypto/md5/md5_test.go

@@ -0,0 +1,24 @@
+package md5_test
+
+import (
+	"bytes"
+	"encoding/hex"
+	"testing"
+
+	. "github.com/minio/check"
+	"github.com/minio/minio/pkg/crypto/md5"
+)
+
+func Test(t *testing.T) { TestingT(t) }
+
+type MySuite struct{}
+
+var _ = Suite(&MySuite{})
+
+func (s *MySuite) TestMd5sum(c *C) {
+	testString := []byte("Test string")
+	expectedHash, _ := hex.DecodeString("0fd3dbec9730101bff92acc820befc34")
+	hash, err := md5.Sum(bytes.NewBuffer(testString))
+	c.Assert(err, IsNil)
+	c.Assert(bytes.Equal(expectedHash, hash), Equals, true)
+}