contrib/streebog256sum | 3 +--
 contrib/streebog512sum | 3 +--

diff --git a/contrib/streebog256sum b/contrib/streebog256sum
index c70f6918356006853810779cf3bf2487f79e7de003a24bbbb26b1f8a6be4b2c1..28c129564658a4b6624130f394692843157c25216601263ae6d6a9b0582a92d3 100755
--- a/contrib/streebog256sum
+++ b/contrib/streebog256sum
@@ -1,4 +1,3 @@
 #!/bin/sh
 
-nettle-hash --algorithm=streebog256 --raw | hexdump -v -e '/1 "%02x"'
-echo
+nettle-hash --algorithm=streebog256 --raw | xxd -c 0 -p
diff --git a/contrib/streebog512sum b/contrib/streebog512sum
index cb48093af5aa1fe1a9cb47d8ab4417ea182d9a886c730eb7515e2657c3a340ea..31432e0bb87fac950cc72341babe6b4dc956a6fef84c044feded32ab1704df10 100755
--- a/contrib/streebog512sum
+++ b/contrib/streebog512sum
@@ -1,4 +1,3 @@
 #!/bin/sh
 
-nettle-hash --algorithm=streebog512 --raw | hexdump -v -e '/1 "%02x"'
-echo
+nettle-hash --algorithm=streebog512 --raw | xxd -c 0 -p