diff --git a/test/.gitignore b/test/.gitignore
index e00b544..fbee491 100644
--- a/test/.gitignore
+++ b/test/.gitignore
@@ -5,6 +5,7 @@ QEMU_EFI.fd
 *.qcow2
 *.raw
 *.raw.xz
+*.bin
 nsholder
 guest-key
 guest-key.pub
diff --git a/test/Makefile b/test/Makefile
index cc1a818..08f0c2d 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -54,10 +54,12 @@ UBUNTU_IMGS = $(UBUNTU_OLD_IMGS) $(UBUNTU_NEW_IMGS)
 
 DOWNLOAD_ASSETS = mbuto \
 	$(DEBIAN_IMGS) $(FEDORA_IMGS) $(OPENSUSE_IMGS) $(UBUNTU_IMGS)
+TESTDATA_ASSETS = small.bin big.bin medium.bin
 LOCAL_ASSETS = mbuto.img QEMU_EFI.fd \
 	$(DEBIAN_IMGS:%=prepared-%) $(FEDORA_IMGS:%=prepared-%) \
 	$(UBUNTU_NEW_IMGS:%=prepared-%) \
-	nsholder guest-key guest-key.pub
+	nsholder guest-key guest-key.pub \
+	$(TESTDATA_ASSETS)
 
 ASSETS = $(DOWNLOAD_ASSETS) $(LOCAL_ASSETS)
 
@@ -71,7 +73,7 @@ mbuto:
 guest-key guest-key.pub:
 	ssh-keygen -f guest-key -N ''
 
-mbuto.img: passt.mbuto mbuto guest-key.pub
+mbuto.img: passt.mbuto mbuto guest-key.pub $(TESTDATA_ASSETS)
 	./mbuto/mbuto -p ./$< -c lz4 -f $@
 
 nsholder: nsholder.c
@@ -88,6 +90,15 @@ prepared-%.img: %.img ./prepare-distro-img.sh
 	qemu-img create -f qcow2 -F qcow2 -b $< $@
 	./prepare-distro-img.sh $(IMGTYPE) $@
 
+small.bin:
+	dd if=/dev/urandom bs=2k count=1 of=$@
+
+medium.bin:
+	dd if=/dev/urandom bs=1k count=5 of=$@
+
+big.bin:
+	dd if=/dev/urandom bs=1M count=10 of=$@
+
 check: assets
 	./run
 
diff --git a/test/passt.mbuto b/test/passt.mbuto
index 51c9ada..d9cb078 100755
--- a/test/passt.mbuto
+++ b/test/passt.mbuto
@@ -12,8 +12,8 @@
 
 PROGS="${PROGS:-ash,dash,bash ip mount ls insmod mkdir ln cat chmod lsmod
        modprobe find grep mknod mv rm umount jq iperf3 dhclient hostname
-       sed tr chown sipcalc cut md5sum socat dd strace ping tail killall sleep
-       sysctl nproc tcp_rr tcp_crr udp_rr which tee seq bc sshd ssh-keygen}"
+       sed tr chown sipcalc cut socat dd strace ping tail killall sleep sysctl
+       nproc tcp_rr tcp_crr udp_rr which tee seq bc sshd ssh-keygen cmp}"
 
 KMODS="${KMODS:- virtio_net virtio_pci vmw_vsock_virtio_transport}"
 
@@ -23,6 +23,8 @@ LINKS="${LINKS:-
 
 DIRS="${DIRS} /tmp /sbin /usr/share /var/log /var/lib /etc/ssh /run/sshd /root/.ssh"
 
+COPIES="${COPIES} small.bin,/root/small.bin medium.bin,/root/medium.bin big.bin,/root/big.bin"
+
 FIXUP="${FIXUP}"'
 	cat > /sbin/dhclient-script << EOF
 #!/bin/sh
diff --git a/test/passt/tcp b/test/passt/tcp
index 7af9c54..67668aa 100644
--- a/test/passt/tcp
+++ b/test/passt/tcp
@@ -11,77 +11,66 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-gtools	socat ip jq md5sum cut
-htools	dd socat ip jq md5sum cut
+gtools	socat ip jq cmp
+htools	socat ip jq
+
+set	TEMP_BIG __STATEDIR__/test_big.bin
+set	TEMP_SMALL __STATEDIR__/test_small.bin
 
 test	TCP/IPv4: host to guest: big transfer
-set	TEMP_BIG __STATEDIR__/big
 guestb	socat -u TCP4-LISTEN:10001,reuseaddr OPEN:test_big.bin,create,trunc
 sleep	1
-host	dd if=/dev/urandom bs=1M count=10 > __TEMP_BIG__
-host	socat -u OPEN:__TEMP_BIG__ TCP4:127.0.0.1:10001
+host	socat -u OPEN:__BASEPATH__/big.bin TCP4:127.0.0.1:10001
 guestw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__HOST_MD5_BIG__" ]
+guest	cmp /root/big.bin test_big.bin
 
 test	TCP/IPv4: guest to host: big transfer
 hostb	socat -u TCP4-LISTEN:10003,bind=127.0.0.1,reuseaddr OPEN:__TEMP_BIG__,create,trunc
 gout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
-guest	socat -u OPEN:test_big.bin TCP4:__GW__:10003
+guest	socat -u OPEN:/root/big.bin TCP4:__GW__:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__HOST_MD5_BIG__" ]
+check	cmp __BASEPATH__/big.bin __TEMP_BIG__
 
 test	TCP/IPv4: host to guest: small transfer
-set	TEMP_SMALL __STATEDIR__/small
 guestb	socat -u TCP4-LISTEN:10001,reuseaddr OPEN:test_small.bin,create,trunc
 sleep	1
-host	dd if=/dev/urandom bs=2k count=1 > __TEMP_SMALL__
-host	socat -u OPEN:__TEMP_SMALL__ TCP4:127.0.0.1:10001
+host	socat -u OPEN:__BASEPATH__/small.bin TCP4:127.0.0.1:10001
 guestw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-gout	GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__HOST_MD5_SMALL__" ]
+guest	cmp /root/small.bin test_small.bin
 
 test	TCP/IPv4: guest to host: small transfer
 hostb	socat -u TCP4-LISTEN:10003,bind=127.0.0.1,reuseaddr OPEN:__TEMP_SMALL__,create,trunc
 sleep	1
-guest	socat -u OPEN:test_small.bin TCP4:__GW__:10003
+guest	socat -u OPEN:/root/small.bin TCP4:__GW__:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__HOST_MD5_SMALL__" ]
+check	cmp __BASEPATH__/small.bin __TEMP_SMALL__
 
 
 test	TCP/IPv6: host to guest: big transfer
 guestb	socat -u TCP6-LISTEN:10001,reuseaddr OPEN:test_big.bin,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP_BIG__ TCP6:[::1]:10001
+host	socat -u OPEN:__BASEPATH__/big.bin TCP6:[::1]:10001
 guestw
-gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__HOST_MD5_BIG__" ]
+guest	cmp /root/big.bin test_big.bin
 
 test	TCP/IPv6: guest to host: big transfer
 hostb	socat -u TCP6-LISTEN:10003,bind=[::1],reuseaddr OPEN:__TEMP_BIG__,create,trunc
 gout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 gout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
-guest	socat -u OPEN:test_big.bin TCP6:[__GW6__%__IFNAME__]:10003
+guest	socat -u OPEN:/root/big.bin TCP6:[__GW6__%__IFNAME__]:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__HOST_MD5_BIG__" ]
+check	cmp __BASEPATH__/big.bin __TEMP_BIG__
 
 test	TCP/IPv6: host to guest: small transfer
 guestb	socat -u TCP6-LISTEN:10001,reuseaddr OPEN:test_small.bin,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP_SMALL__ TCP6:[::1]:10001
+host	socat -u OPEN:__BASEPATH__/small.bin TCP6:[::1]:10001
 guestw
-gout	GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__HOST_MD5_SMALL__" ]
+guest	cmp /root/small.bin test_small.bin
 
 test	TCP/IPv6: guest to host: small transfer
 hostb	socat -u TCP6-LISTEN:10003,bind=[::1],reuseaddr OPEN:__TEMP_SMALL__,create,trunc
 sleep	1
-guest	socat -u OPEN:test_small.bin TCP6:[__GW6__%__IFNAME__]:10003
+guest	socat -u OPEN:/root/small.bin TCP6:[__GW6__%__IFNAME__]:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__HOST_MD5_SMALL__" ]
+check	cmp __BASEPATH__/small.bin __TEMP_SMALL__
diff --git a/test/passt/udp b/test/passt/udp
index 7d444b8..b9533e0 100644
--- a/test/passt/udp
+++ b/test/passt/udp
@@ -11,41 +11,36 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-gtools	socat ip jq md5sum cut
-htools	dd socat jq md5sum cut
+gtools	socat ip jq cmp
+htools	socat jq
+
+set	TEMP __STATEDIR__/test.bin
 
 test	UDP/IPv4: host to guest
-set	TEMP __STATEDIR__/data
 guestb	socat -u UDP4-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
 sleep	1
-host	dd if=/dev/urandom bs=1k count=5 > __TEMP__
-host	socat -u OPEN:__TEMP__ UDP4:127.0.0.1:10001,shut-null
+host	socat -u OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10001,shut-null
 guestw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__HOST_MD5__" ]
+guest	cmp /root/medium.bin test.bin
 
 test	UDP/IPv4: guest to host
 hostb	socat -u UDP4-LISTEN:10003,bind=127.0.0.1,null-eof OPEN:__TEMP__,create,trunc
 gout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
-guest	socat -u OPEN:test.bin UDP4:__GW__:10003,shut-null
+guest	socat -u OPEN:/root/medium.bin UDP4:__GW__:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__HOST_MD5__" ]
+check	cmp __BASEPATH__/medium.bin __TEMP__
 
 test	UDP/IPv6: host to guest
 guestb	socat -u UDP6-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP__ UDP6:[::1]:10001,shut-null
+host	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10001,shut-null
 guestw
-gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__HOST_MD5__" ]
+guest	cmp /root/medium.bin test.bin
 
 test	UDP/IPv6: guest to host
 hostb	socat -u UDP6-LISTEN:10003,bind=[::1],null-eof OPEN:__TEMP__,create,trunc
 gout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 gout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
-guest	socat -u OPEN:test.bin UDP6:[__GW6__%__IFNAME__]:10003,shut-null
+guest	socat -u OPEN:/root/medium.bin UDP6:[__GW6__%__IFNAME__]:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__HOST_MD5__" ]
+check	cmp __BASEPATH__/medium.bin __TEMP__
diff --git a/test/passt_in_ns/tcp b/test/passt_in_ns/tcp
index 71fe1c1..842b345 100644
--- a/test/passt_in_ns/tcp
+++ b/test/passt_in_ns/tcp
@@ -11,281 +11,246 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-gtools	socat ip jq md5sum cut
-htools	dd socat ip jq md5sum cut
-nstools	socat ip jq md5sum cut
+gtools	socat ip jq
+htools	socat ip jq
+nstools	socat ip jq
+
+set	TEMP_BIG __STATEDIR__/test_big.bin
+set	TEMP_SMALL __STATEDIR__/test_small.bin
+set	TEMP_NS_BIG __STATEDIR__/test_ns_big.bin
+set	TEMP_NS_SMALL __STATEDIR__/test_ns_small.bin
 
 test	TCP/IPv4: host to guest: big transfer
-set	TEMP_BIG __STATEDIR__/big.img
 guestb	socat -u TCP4-LISTEN:10001 OPEN:test_big.bin,create,trunc
-host	dd if=/dev/urandom bs=1M count=10 of=__TEMP_BIG__
 sleep	1
-host	socat -u OPEN:__TEMP_BIG__ TCP4:127.0.0.1:10001
+host	socat -u OPEN:__BASEPATH__/big.bin TCP4:127.0.0.1:10001
 guestw
-hout	MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+guest	cmp test_big.bin /root/big.bin
 
 test	TCP/IPv4: host to ns: big transfer
-set	TEMP_NS_BIG __STATEDIR__/big_ns.img
 nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_NS_BIG__,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP_BIG__ TCP4:127.0.0.1:10002
+host	socat -u OPEN:__BASEPATH__/big.bin TCP4:127.0.0.1:10002
 nsw
-nsout	NS_MD5_BIG md5sum __TEMP_NS_BIG__ | cut -d' ' -f1
-check	[ "__NS_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_NS_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv4: guest to host: big transfer
 hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
 gout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
 sleep	1
-guest	socat -u OPEN:test_big.bin TCP4:__GW__:10003
+guest	socat -u OPEN:/root/big.bin TCP4:__GW__:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv4: guest to ns: big transfer
-nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_BIG__,create,trunc
+nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_NS_BIG__,create,trunc
 sleep	1
-guest	socat -u OPEN:test_big.bin TCP4:__GW__:10002
+guest	socat -u OPEN:/root/big.bin TCP4:__GW__:10002
 nsw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_NS_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv4: ns to host (spliced): big transfer
 hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP4:127.0.0.1:10003
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP4:127.0.0.1:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv4: ns to host (via tap): big transfer
 hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP4:__GW__:10003
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP4:__GW__:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv4: ns to guest (using loopback address): big transfer
 guestb	socat -u TCP4-LISTEN:10001 OPEN:test_big.bin,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP4:127.0.0.1:10001
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP4:127.0.0.1:10001
 guestw
-gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+guest	cmp test_big.bin /root/big.bin
 
 test	TCP/IPv4: ns to guest (using namespace address): big transfer
 guestb	socat -u TCP4-LISTEN:10001 OPEN:test_big.bin,create,trunc
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 nsout	ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP4:__ADDR__:10001
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP4:__ADDR__:10001
 guestw
-gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+guest	cmp test_big.bin /root/big.bin
 
 test	TCP/IPv4: host to guest: small transfer
-set	TEMP_SMALL __STATEDIR__/small.img
 guestb	socat -u TCP4-LISTEN:10001 OPEN:test_small.bin,create,trunc
-host	dd if=/dev/urandom bs=2k count=100 of=__TEMP_SMALL__
 sleep	1
-host	socat -u OPEN:__TEMP_SMALL__ TCP4:127.0.0.1:10001
+host	socat -u OPEN:__BASEPATH__/small.bin TCP4:127.0.0.1:10001
 guestw
-hout	MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-gout	GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+guest	cmp test_small.bin /root/small.bin
 
 test	TCP/IPv4: host to ns: small transfer
-set	TEMP_NS_SMALL __STATEDIR__/small_ns.img
 nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_NS_SMALL__,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP_SMALL__ TCP4:127.0.0.1:10002
+host	socat -u OPEN:__BASEPATH__/small.bin TCP4:127.0.0.1:10002
 nsw
-nsout	NS_MD5_SMALL md5sum __TEMP_NS_SMALL__ | cut -d' ' -f1
-check	[ "__NS_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_NS_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv4: guest to host: small transfer
 hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
 gout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
 sleep	1
-guest	socat -u OPEN:test_small.bin TCP4:__GW__:10003
+guest	socat -u OPEN:/root/small.bin TCP4:__GW__:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv4: guest to ns: small transfer
-nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_SMALL__,create,trunc
+nsb	socat -u TCP4-LISTEN:10002 OPEN:__TEMP_NS_SMALL__,create,trunc
 sleep	1
-guest	socat -u OPEN:test_small.bin TCP4:__GW__:10002
+guest	socat -u OPEN:/root/small.bin TCP4:__GW__:10002
 nsw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_NS_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv4: ns to host (spliced): small transfer
 hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP4:127.0.0.1:10003
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP4:127.0.0.1:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv4: ns to host (via tap): small transfer
 hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP4:__GW__:10003
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP4:__GW__:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv4: ns to guest (using loopback address): small transfer
 guestb	socat -u TCP4-LISTEN:10001 OPEN:test_small.bin,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP4:127.0.0.1:10001
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP4:127.0.0.1:10001
 guestw
-gout	GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+guest	cmp test_small.bin /root/small.bin
 
 test	TCP/IPv4: ns to guest (using namespace address): small transfer
 guestb	socat -u TCP4-LISTEN:10001 OPEN:test_small.bin,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP4:__ADDR__:10001
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP4:__ADDR__:10001
 guestw
-gout	GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+guest	cmp test_small.bin /root/small.bin
 
 test	TCP/IPv6: host to guest: big transfer
 guestb	socat -u TCP6-LISTEN:10001 OPEN:test_big.bin,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP_BIG__ TCP6:[::1]:10001
+host	socat -u OPEN:__BASEPATH__/big.bin TCP6:[::1]:10001
 guestw
-gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+guest	cmp test_big.bin /root/big.bin
 
 test	TCP/IPv6: host to ns: big transfer
 nsb	socat -u TCP6-LISTEN:10002 OPEN:__TEMP_NS_BIG__,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP_BIG__ TCP6:[::1]:10002
+host	socat -u OPEN:__BASEPATH__/big.bin TCP6:[::1]:10002
 nsw
-nsout	NS_MD5_BIG md5sum __TEMP_NS_BIG__ | cut -d' ' -f1
-check	[ "__NS_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_NS_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv6: guest to host: big transfer
 hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
 gout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 gout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 sleep	1
-guest	socat -u OPEN:test_big.bin TCP6:[__GW6__%__IFNAME__]:10003
+guest	socat -u OPEN:/root/big.bin TCP6:[__GW6__%__IFNAME__]:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv6: guest to ns: big transfer
-nsb	socat -u TCP6-LISTEN:10002 OPEN:__TEMP_BIG__,create,trunc
+nsb	socat -u TCP6-LISTEN:10002 OPEN:__TEMP_NS_BIG__,create,trunc
 sleep	1
-guest	socat -u OPEN:test_big.bin TCP6:[__GW6__%__IFNAME__]:10002
+guest	socat -u OPEN:/root/big.bin TCP6:[__GW6__%__IFNAME__]:10002
 nsw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_NS_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv6: ns to host (spliced): big transfer
 hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP6:[::1]:10003
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP6:[::1]:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv6: ns to host (via tap): big transfer
 hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP6:[__GW6__%__IFNAME__]:10003
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP6:[__GW6__%__IFNAME__]:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __TEMP_BIG__ __BASEPATH__/big.bin
 
 test	TCP/IPv6: ns to guest (using loopback address): big transfer
 guestb	socat -u TCP6-LISTEN:10001 OPEN:test_big.bin,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP6:[::1]:10001
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP6:[::1]:10001
 guestw
-gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+guest	cmp test_big.bin /root/big.bin
 
 test	TCP/IPv6: ns to guest (using namespace address): big transfer
 guestb	socat -u TCP6-LISTEN:10001 OPEN:test_big.bin,create,trunc
 nsout	ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP6:[__ADDR6__]:10001
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP6:[__ADDR6__]:10001
 guestw
-gout	GUEST_MD5_BIG md5sum test_big.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_BIG__" = "__MD5_BIG__" ]
+guest	cmp test_big.bin /root/big.bin
 
 test	TCP/IPv6: host to guest: small transfer
 guestb	socat -u TCP6-LISTEN:10001 OPEN:test_small.bin,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP_SMALL__ TCP6:[::1]:10001
+host	socat -u OPEN:__BASEPATH__/small.bin TCP6:[::1]:10001
 guestw
-gout	GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+guest	cmp test_small.bin /root/small.bin
 
 test	TCP/IPv6: host to ns: small transfer
 nsb	socat -u TCP6-LISTEN:10002 OPEN:__TEMP_NS_SMALL__,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP_SMALL__ TCP6:[::1]:10002
+host	socat -u OPEN:__BASEPATH__/small.bin TCP6:[::1]:10002
 nsw
-nsout	NS_MD5_SMALL md5sum __TEMP_NS_SMALL__ | cut -d' ' -f1
-check	[ "__NS_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_NS_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv6: guest to host: small transfer
 hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
 gout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 gout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 sleep	1
-guest	socat -u OPEN:test_small.bin TCP6:[__GW6__%__IFNAME__]:10003
+guest	socat -u OPEN:/root/small.bin TCP6:[__GW6__%__IFNAME__]:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv6: guest to ns: small transfer
-nsb	socat -u TCP6-LISTEN:10002 OPEN:__TEMP_SMALL__
+nsb	socat -u TCP6-LISTEN:10002 OPEN:__TEMP_NS_SMALL__
 sleep	1
-guest	socat -u OPEN:test_small.bin TCP6:[__GW6__%__IFNAME__]:10002
+guest	socat -u OPEN:/root/small.bin TCP6:[__GW6__%__IFNAME__]:10002
 nsw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_NS_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv6: ns to host (spliced): small transfer
 hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP6:[::1]:10003
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP6:[::1]:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv6: ns to host (via tap): small transfer
 hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP6:[__GW6__%__IFNAME__]:10003
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP6:[__GW6__%__IFNAME__]:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __TEMP_SMALL__ __BASEPATH__/small.bin
 
 test	TCP/IPv6: ns to guest (using loopback address): small transfer
 guestb	socat -u TCP6-LISTEN:10001 OPEN:test_small.bin,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP6:[::1]:10001
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP6:[::1]:10001
 guestw
-gout	GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+guest	cmp test_small.bin /root/small.bin
 
 test	TCP/IPv6: ns to guest (using namespace address): small transfer
 guestb	socat -u TCP6-LISTEN:10001 OPEN:test_small.bin,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP6:[__ADDR6__]:10001
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP6:[__ADDR6__]:10001
 guestw
-gout	GUEST_MD5_SMALL md5sum test_small.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5_SMALL__" = "__MD5_SMALL__" ]
+guest	cmp test_small.bin /root/small.bin
diff --git a/test/passt_in_ns/udp b/test/passt_in_ns/udp
index b7e9cf3..d9cd85a 100644
--- a/test/passt_in_ns/udp
+++ b/test/passt_in_ns/udp
@@ -11,145 +11,128 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-gtools	socat ip jq md5sum cut
-nstools	socat ip jq md5sum cut
-htools	dd socat ip jq md5sum cut
+gtools	socat ip jq
+nstools	socat ip jq
+htools	socat ip jq
+
+set	TEMP __STATEDIR__/test.bin
+set	TEMP_NS __STATEDIR__/test_ns.bin
 
 test	UDP/IPv4: host to guest
-set	TEMP __STATEDIR__/data
 guestb	socat -u UDP4-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
-host	dd if=/dev/urandom bs=1k count=5 > __TEMP__
 sleep	1
-host	socat -u OPEN:__TEMP__ UDP4:127.0.0.1:10001,shut-null
+host	socat -u OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10001,shut-null
 guestw
-hout	MD5 md5sum __TEMP__ | cut -d' ' -f1
-gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__MD5__" ]
+guest	cmp test.bin /root/medium.bin
 
 test	UDP/IPv4: host to ns
-set	TEMP_NS __STATEDIR__/data_ns
 nsb	socat -u UDP4-LISTEN:10002,null-eof OPEN:__TEMP_NS__,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP__ UDP4:127.0.0.1:10002,shut-null
+host	socat -u OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10002,shut-null
 nsw
-nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
-check	[ "__NS_MD5__" = "__MD5__" ]
+check	cmp __TEMP_NS__ __BASEPATH__/medium.bin
 
 test	UDP/IPv4: guest to host
 hostb	socat -u UDP4-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
 gout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
 sleep	1
-guest	socat -u OPEN:test.bin UDP4:__GW__:10003,shut-null
+guest	socat -u OPEN:/root/medium.bin UDP4:__GW__:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __TEMP__ __BASEPATH__/medium.bin
 
 test	UDP/IPv4: guest to ns
 nsb	socat -u UDP4-LISTEN:10002,null-eof OPEN:__TEMP_NS__,create,trunc
 sleep	1
-guest	socat -u OPEN:test.bin UDP4:__GW__:10002,shut-null
+guest	socat -u OPEN:/root/medium.bin UDP4:__GW__:10002,shut-null
 nsw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __TEMP_NS__ __BASEPATH__/medium.bin
 
 test	UDP/IPv4: ns to host (recvmmsg/sendmmsg)
 hostb	socat -u UDP4-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS__ UDP4:127.0.0.1:10003,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __TEMP__ __BASEPATH__/medium.bin
 
 test	UDP/IPv4: ns to host (via tap)
 hostb	socat -u UDP4-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS__ UDP4:__GW__:10003,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP4:__GW__:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __TEMP__ __BASEPATH__/medium.bin
 
 test	UDP/IPv4: ns to guest (using loopback address)
 guestb	socat -u UDP4-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS__ UDP4:127.0.0.1:10001,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10001,shut-null
 guestw
-gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__MD5__" ]
+guest	cmp test.bin /root/medium.bin
 
 test	UDP/IPv4: ns to guest (using namespace address)
 guestb	socat -u UDP4-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 nsout	ADDR ip -j -4 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
 sleep	1
-ns	socat -u OPEN:__TEMP_NS__ UDP4:__ADDR__:10001,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP4:__ADDR__:10001,shut-null
 guestw
-gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__MD5__" ]
+guest	cmp test.bin /root/medium.bin
 
 test	UDP/IPv6: host to guest
 guestb	socat -u UDP6-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP__ UDP6:[::1]:10001,shut-null
+host	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10001,shut-null
 guestw
-gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__MD5__" ]
+guest	cmp test.bin /root/medium.bin
 
 test	UDP/IPv6: host to ns
 nsb	socat -u UDP6-LISTEN:10002,null-eof OPEN:__TEMP_NS__,create,trunc
 sleep	1
-host	socat -u OPEN:__TEMP__ UDP6:[::1]:10002,shut-null
+host	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10002,shut-null
 nsw
-nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
-check	[ "__NS_MD5__" = "__MD5__" ]
+check	cmp __TEMP_NS__ __BASEPATH__/medium.bin
 
 test	UDP/IPv6: guest to host
 hostb	socat -u UDP6-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
 gout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 gout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 sleep	1
-guest	socat -u OPEN:test.bin UDP6:[__GW6__%__IFNAME__]:10003,shut-null
+guest	socat -u OPEN:/root/medium.bin UDP6:[__GW6__%__IFNAME__]:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __TEMP__ __BASEPATH__/medium.bin
 
 test	UDP/IPv6: guest to ns
 nsb	socat -u UDP6-LISTEN:10002,null-eof OPEN:__TEMP_NS__,create,trunc
 sleep	1
-guest	socat -u OPEN:test.bin UDP6:[__GW6__%__IFNAME__]:10002,shut-null
+guest	socat -u OPEN:/root/medium.bin UDP6:[__GW6__%__IFNAME__]:10002,shut-null
 nsw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __TEMP_NS__ __BASEPATH__/medium.bin
 
 test	UDP/IPv6: ns to host (recvmmsg/sendmmsg)
 hostb	socat -u UDP6-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS__ UDP6:[::1]:10003,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __TEMP__ __BASEPATH__/medium.bin
 
 test	UDP/IPv6: ns to host (via tap)
 hostb	socat -u UDP6-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
 sleep	1
-ns	socat -u OPEN:__TEMP_NS__ UDP6:[__GW6__%__IFNAME__]:10003,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[__GW6__%__IFNAME__]:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __TEMP__ __BASEPATH__/medium.bin
 
 test	UDP/IPv6: ns to guest (using loopback address)
 guestb	socat -u UDP6-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS__ UDP6:[::1]:10001,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10001,shut-null
 guestw
-gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__MD5__" ]
+guest	cmp test.bin /root/medium.bin
 
 test	UDP/IPv6: ns to guest (using namespace address)
 guestb	socat -u UDP6-LISTEN:10001,null-eof OPEN:test.bin,create,trunc
 nsout	ADDR6 ip -j -6 addr show|jq -rM '.[] | select(.ifname == "__IFNAME__").addr_info[0].local'
 sleep	1
-ns	socat -u OPEN:__TEMP_NS__ UDP6:[__ADDR6__]:10001,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[__ADDR6__]:10001,shut-null
 guestw
-gout	GUEST_MD5 md5sum test.bin | cut -d' ' -f1
-check	[ "__GUEST_MD5__" = "__MD5__" ]
+guest	cmp test.bin /root/medium.bin
diff --git a/test/pasta/tcp b/test/pasta/tcp
index d37e21c..eeda20b 100644
--- a/test/pasta/tcp
+++ b/test/pasta/tcp
@@ -11,103 +11,86 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-htools	dd socat ip jq md5sum cut
-nstools	socat ip jq md5sum cut
+htools	socat ip jq
+nstools	socat ip jq
+
+set	TEMP_BIG __STATEDIR__/test_big.bin
+set	TEMP_NS_BIG __STATEDIR__/test_ns_big.bin
+set	TEMP_SMALL __STATEDIR__/test_small.bin
+set	TEMP_NS_SMALL __STATEDIR__/test_ns_small.bin
 
 test	TCP/IPv4: host to ns: big transfer
-set	TEMP_BIG __STATEDIR__/big
-set	TEMP_NS_BIG __STATEDIR__/big_ns
 nsb	socat -u TCP4-LISTEN:10002,bind=127.0.0.1 OPEN:__TEMP_NS_BIG__,create,trunc
-host	dd if=/dev/urandom bs=1M count=10 of=__TEMP_BIG__
-host	socat -u OPEN:__TEMP_BIG__ TCP4:127.0.0.1:10002
+host	socat -u OPEN:__BASEPATH__/big.bin TCP4:127.0.0.1:10002
 nsw
-hout	MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-nsout	NS_MD5_BIG md5sum __TEMP_NS_BIG__ | cut -d' ' -f1
-check	[ "__NS_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __BASEPATH__/big.bin __TEMP_NS_BIG__
 
 test	TCP/IPv4: ns to host (spliced): big transfer
 hostb	socat -u TCP4-LISTEN:10003,bind=127.0.0.1 OPEN:__TEMP_BIG__,create,trunc
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP4:127.0.0.1:10003
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP4:127.0.0.1:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __BASEPATH__/big.bin __TEMP_BIG__
 
 test	TCP/IPv4: ns to host (via tap): big transfer
 hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
 nsout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP4:__GW__:10003
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP4:__GW__:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __BASEPATH__/big.bin __TEMP_BIG__
 
 test	TCP/IPv4: host to ns: small transfer
-set	TEMP_SMALL __STATEDIR__/small
-set	TEMP_NS_SMALL __STATEDIR__/small_ns
 nsb	socat -u TCP4-LISTEN:10002,bind=127.0.0.1 OPEN:__TEMP_NS_SMALL__,create,trunc
-host	dd if=/dev/urandom bs=2k count=1 of=__TEMP_SMALL__
-host	socat OPEN:__TEMP_SMALL__ TCP4:127.0.0.1:10002
+host	socat OPEN:__BASEPATH__/small.bin TCP4:127.0.0.1:10002
 nsw
-hout	MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-nsout	NS_MD5_SMALL md5sum __TEMP_NS_SMALL__ | cut -d' ' -f1
-check	[ "__NS_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __BASEPATH__/small.bin __TEMP_NS_SMALL__
 
 test	TCP/IPv4: ns to host (spliced): small transfer
 hostb	socat -u TCP4-LISTEN:10003,bind=127.0.0.1 OPEN:__TEMP_SMALL__,create,trunc
-ns	socat OPEN:__TEMP_NS_SMALL__ TCP4:127.0.0.1:10003
+ns	socat OPEN:__BASEPATH__/small.bin TCP4:127.0.0.1:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __BASEPATH__/small.bin __TEMP_SMALL__
 
 test	TCP/IPv4: ns to host (via tap): small transfer
 hostb	socat -u TCP4-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
 nsout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP4:__GW__:10003
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP4:__GW__:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __BASEPATH__/small.bin __TEMP_SMALL__
 
 test	TCP/IPv6: host to ns: big transfer
 nsb	socat -u TCP6-LISTEN:10002,bind=[::1] OPEN:__TEMP_NS_BIG__,create,trunc
-host	socat -u OPEN:__TEMP_BIG__ TCP6:[::1]:10002
+host	socat -u OPEN:__BASEPATH__/big.bin TCP6:[::1]:10002
 nsw
-hout	MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-nsout	NS_MD5_BIG md5sum __TEMP_NS_BIG__ | cut -d' ' -f1
-check	[ "__NS_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __BASEPATH__/big.bin __TEMP_NS_BIG__
 
 test	TCP/IPv6: ns to host (spliced): big transfer
 hostb	socat -u TCP6-LISTEN:10003,bind=[::1] OPEN:__TEMP_BIG__,create,trunc
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP6:[::1]:10003
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP6:[::1]:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __BASEPATH__/big.bin __TEMP_BIG__
 
 test	TCP/IPv6: ns to host (via tap): big transfer
 hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_BIG__,create,trunc
 nsout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
-ns	socat -u OPEN:__TEMP_NS_BIG__ TCP6:[__GW6__%__IFNAME__]:10003
+ns	socat -u OPEN:__BASEPATH__/big.bin TCP6:[__GW6__%__IFNAME__]:10003
 hostw
-hout	HOST_MD5_BIG md5sum __TEMP_BIG__ | cut -d' ' -f1
-check	[ "__HOST_MD5_BIG__" = "__MD5_BIG__" ]
+check	cmp __BASEPATH__/big.bin __TEMP_BIG__
 
 test	TCP/IPv6: host to ns: small transfer
 nsb	socat -u TCP6-LISTEN:10002,bind=[::1] OPEN:__TEMP_NS_SMALL__,create,trunc
-host	socat -u OPEN:__TEMP_SMALL__ TCP6:[::1]:10002
+host	socat -u OPEN:__BASEPATH__/small.bin TCP6:[::1]:10002
 nsw
-hout	MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-nsout	NS_MD5_SMALL md5sum __TEMP_NS_SMALL__ | cut -d' ' -f1
-check	[ "__NS_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __BASEPATH__/small.bin __TEMP_NS_SMALL__
 
 test	TCP/IPv6: ns to host (spliced): small transfer
 hostb	socat -u TCP6-LISTEN:10003,bind=[::1] OPEN:__TEMP_SMALL__,create,trunc
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP6:[::1]:10003
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP6:[::1]:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __BASEPATH__/small.bin __TEMP_SMALL__
 
 test	TCP/IPv6: ns to host (via tap): small transfer
 hostb	socat -u TCP6-LISTEN:10003 OPEN:__TEMP_SMALL__,create,trunc
-ns	socat -u OPEN:__TEMP_NS_SMALL__ TCP6:[__GW6__%__IFNAME__]:10003
+ns	socat -u OPEN:__BASEPATH__/small.bin TCP6:[__GW6__%__IFNAME__]:10003
 hostw
-hout	HOST_MD5_SMALL md5sum __TEMP_SMALL__ | cut -d' ' -f1
-check	[ "__HOST_MD5_SMALL__" = "__MD5_SMALL__" ]
+check	cmp __BASEPATH__/small.bin __TEMP_SMALL__
diff --git a/test/pasta/udp b/test/pasta/udp
index fc6bf0a..c8ff418 100644
--- a/test/pasta/udp
+++ b/test/pasta/udp
@@ -11,58 +11,49 @@
 # Copyright (c) 2021 Red Hat GmbH
 # Author: Stefano Brivio <sbrivio@redhat.com>
 
-nstools	socat ip jq md5sum cut
-htools	dd socat ip jq md5sum cut
+nstools	socat ip jq
+htools	dd socat ip jq
+
+set	TEMP __STATEDIR__/test.bin
+set	TEMP_NS __STATEDIR__/test_ns.bin
 
 test	UDP/IPv4: host to ns
-set	TEMP __STATEDIR__/data
-set	TEMP_NS __STATEDIR__/data_ns
 nsb	socat -u UDP4-LISTEN:10002,bind=127.0.0.1,null-eof OPEN:__TEMP_NS__,create,trunc
-host	dd if=/dev/urandom bs=1k count=5 > __TEMP__
-
-host	socat OPEN:__TEMP__ UDP4:127.0.0.1:10002,shut-null
+host	socat OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10002,shut-null
 nsw
-hout	MD5 md5sum __TEMP__ | cut -d' ' -f1
-nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
-check	[ "__NS_MD5__" = "__MD5__" ]
+check	cmp __BASEPATH__/medium.bin __TEMP_NS__
 
 test	UDP/IPv4: ns to host (recvmmsg/sendmmsg)
 hostb	socat -u UDP4-LISTEN:10003,bind=127.0.0.1,null-eof OPEN:__TEMP__,create,trunc
 sleep	1
-ns	socat OPEN:__TEMP_NS__ UDP4:127.0.0.1:10003,shut-null
+ns	socat OPEN:__BASEPATH__/medium.bin UDP4:127.0.0.1:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __BASEPATH__/medium.bin __TEMP__
 
 test	UDP/IPv4: ns to host (via tap)
 hostb	socat -u UDP4-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
 nsout	GW ip -j -4 route show|jq -rM '.[] | select(.dst == "default").gateway'
-ns	socat -u OPEN:__TEMP_NS__ UDP4:__GW__:10003,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP4:__GW__:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __BASEPATH__/medium.bin __TEMP__
 
 test	UDP/IPv6: host to ns
 nsb	socat -u UDP6-LISTEN:10002,bind=[::1],null-eof OPEN:__TEMP_NS__,create,trunc
-host	socat -u OPEN:__TEMP__ UDP6:[::1]:10002,shut-null
+host	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10002,shut-null
 nsw
-hout	MD5 md5sum __TEMP__ | cut -d' ' -f1
-nsout	NS_MD5 md5sum __TEMP_NS__ | cut -d' ' -f1
-check	[ "__NS_MD5__" = "__MD5__" ]
+check	cmp __BASEPATH__/medium.bin __TEMP_NS__
 
 test	UDP/IPv6: ns to host (recvmmsg/sendmmsg)
 hostb	socat -u UDP6-LISTEN:10003,bind=[::1],null-eof OPEN:__TEMP__,create,trunc
 sleep	1
-ns	socat -u OPEN:__TEMP_NS__ UDP6:[::1]:10003,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[::1]:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __BASEPATH__/medium.bin __TEMP__
 
 test	UDP/IPv6: ns to host (via tap)
 hostb	socat -u UDP6-LISTEN:10003,null-eof OPEN:__TEMP__,create,trunc
 nsout	GW6 ip -j -6 route show|jq -rM '.[] | select(.dst == "default").gateway'
 nsout	IFNAME ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'
-ns	socat -u OPEN:__TEMP_NS__ UDP6:[__GW6__%__IFNAME__]:10003,shut-null
+ns	socat -u OPEN:__BASEPATH__/medium.bin UDP6:[__GW6__%__IFNAME__]:10003,shut-null
 hostw
-hout	HOST_MD5 md5sum __TEMP__ | cut -d' ' -f1
-check	[ "__HOST_MD5__" = "__MD5__" ]
+check	cmp __BASEPATH__/medium.bin __TEMP__
diff --git a/test/two_guests/basic b/test/two_guests/basic
index e226178..dba4b9e 100644
--- a/test/two_guests/basic
+++ b/test/two_guests/basic
@@ -13,7 +13,7 @@
 
 g1tools	ip jq dhclient socat cat
 g2tools	ip jq dhclient socat cat
-htools	ip jq md5sum cut
+htools	ip jq
 
 test	Interface names
 g1out	IFNAME1 ip -j link show | jq -rM '.[] | select(.link_type == "ether").ifname'