fix: reduce using memory and temporary files. (#17206)

internal/hash/errors.go

@@ -42,13 +42,33 @@ func (e BadDigest) Error() string {
 	return "Bad digest: Expected " + e.ExpectedMD5 + " does not match calculated " + e.CalculatedMD5
 }
 
-// ErrSizeMismatch error size mismatch
-type ErrSizeMismatch struct {
+// SizeTooSmall reader size too small
+type SizeTooSmall struct {
 	Want int64
 	Got  int64
 }
 
-func (e ErrSizeMismatch) Error() string {
+func (e SizeTooSmall) Error() string {
+	return fmt.Sprintf("Size small: got %d, want %d", e.Got, e.Want)
+}
+
+// SizeTooLarge reader size too large
+type SizeTooLarge struct {
+	Want int64
+	Got  int64
+}
+
+func (e SizeTooLarge) Error() string {
+	return fmt.Sprintf("Size large: got %d, want %d", e.Got, e.Want)
+}
+
+// SizeMismatch error size mismatch
+type SizeMismatch struct {
+	Want int64
+	Got  int64
+}
+
+func (e SizeMismatch) Error() string {
 	return fmt.Sprintf("Size mismatch: got %d, want %d", e.Got, e.Want)
 }