diff --git a/main.go b/main.go
index 22208d3..71a8abd 100644
--- a/main.go
+++ b/main.go
@@ -14,6 +14,7 @@ import "os"
 import "io"
 import "flag"
 import "time"
+import "strconv"
 
 var Version string
 var Buildtime string
@@ -144,7 +145,7 @@ func HashFile(fp *os.File) (string, error) {
 		return "", err
 	}
 
-	mHashBuf, err := multihash.EncodeName(h.Sum(nil), "sha1")
+	mHashBuf, err := multihash.EncodeName(h.Sum(nil), "sha2-256")
 
 	if err != nil {
 		return "", err
@@ -158,12 +159,15 @@ func HashFile(fp *os.File) (string, error) {
 /////////////////////////////////////////////////////////////////////////////////
 
 type xsf struct {
-	fi        *os.FileInfo
-	fp        *os.File
-	multihash string
-	mtime     string
-	path      string
-	size      int64
+	fi         *os.FileInfo
+	fp         *os.File
+	multihash  string
+	xmultihash string
+	mtime      string
+	xmtime     string
+	path       string
+	size       uint64
+	xsize      uint64
 }
 
 /////////////////////////////////////////////////////////////////////////////////
@@ -184,13 +188,32 @@ func (x *xsf) readXattrs(fp *os.File) error {
 
 	xn = fmt.Sprintf("%s.%s", namespacePrefix, "mtime")
 	v, err = xattr.FGet(x.fp, xn)
+	if err != nil {
+		return err
+	}
+	x.xmtime = string(v)
 
 	xn = fmt.Sprintf("%s.%s", namespacePrefix, "size")
 	v, err = xattr.FGet(x.fp, xn)
+	if err != nil {
+		return err
+	}
+
+	a, b := strconv.ParseInt(string(v), 10, 64)
+	if b != nil {
+		return b
+	}
+
+	x.xsize = uint64(a)
 
 	xn = fmt.Sprintf("%s.%s", namespacePrefix, "multihash")
 	v, err = xattr.FGet(x.fp, xn)
 
+	if err != nil {
+		return err
+	}
+	x.xmultihash = string(v)
+
 	return nil //FIXME
 }
 
@@ -229,7 +252,7 @@ func (x *xsf) stat(fp *os.File) error {
 	if err != nil {
 		return err
 	}
-	x.size = fi.Size()
+	x.size = uint64(fi.Size())
 	log.Debugf("size: %d", x.size)
 	t := fi.ModTime().UTC().Format(time.RFC3339)
 	log.Debugf("modtime: %s", t)