Reorg

pkg/utils/crypto.go

@@ -0,0 +1,28 @@
+package utils
+
+import (
+	"crypto/md5"
+	"fmt"
+	"io"
+	"os"
+)
+
+func MD5FromBytes(data []byte) string {
+	result := md5.Sum(data)
+	return fmt.Sprintf("%x", result)
+}
+
+func MD5FromFilePath(filePath string) (string, error) {
+	f, err := os.Open(filePath)
+	if err != nil {
+		return "", err
+	}
+	defer f.Close()
+
+	h := md5.New()
+	if _, err := io.Copy(h, f); err != nil {
+		return "", err
+	}
+	checksum := h.Sum(nil)
+	return fmt.Sprintf("%x", checksum), nil
+}