openssl-bsaes.sh: POSIX Compliant Update.

This change is to make the test script to be POSIX compliant.

Original patch comes from:

Lucas Dutra Nunes <ldnunes@ossystems.com.br>

Signed-off by: Botao Sun <botao.sun@linaro.org>

Change-Id: I5386b921eadf5ba86e5160c6b81c0d0ce5718ae3

1 files changed, 43 insertions, 22 deletions

diff --git a/ubuntu/scripts/openssl-bsaes.sh b/ubuntu/scripts/openssl-bsaes.sh
index e6bd189..a735dcd 100755
--- a/ubuntu/scripts/openssl-bsaes.sh
+++ b/ubuntu/scripts/openssl-bsaes.sh
@@ -1,11 +1,24 @@
-#!/bin/bash
-
-##
-## openssl-bsaes.sh - test the NEON bit sliced AES implementation
-##                    in various sizes and modes
-##
-## 2013-07-09 Ard Biesheuvel <ard.biesheuvel@linaro.org>
-##
+#!/bin/sh
+#
+# openssl-bsaes.sh - test the NEON bit sliced AES implementation in various sizes and modes
+#
+# Copyright (C) 2010 - 2014, Linaro Limited.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+#
+# Author: Ard Biesheuvel <ard.biesheuvel@linaro.org> 2013-07-09
 
 set -u
 
@@ -21,9 +34,9 @@ NAME=neon-$ALG
 # ctr mode is essentially a stream cipher, so instead of using it for both
 # encrypt and decrypt (which both call encrypt() under the hood), disable NEON
 # for the decrypt case by setting OPENSSL_armcap to zero in the environment
-if [ "$MODE" == "ctr" ]
+if [ "$MODE" = "ctr" ]
 then
-	ARMCAP="env OPENSSL_armcap=0"
+    ARMCAP="env OPENSSL_armcap=0"
 fi
 
 TMP=/tmp/bsaestest-$$.md5sum
@@ -33,18 +46,26 @@ export ARMCAP
 
 for i in $(seq 100)
 do
-	OUT=$(dd if=/dev/urandom bs=65 count=$i |
-		tee >(md5sum >$TMP) |
-		openssl enc -$ALG -pass env:KEY |
-		${ARMCAP:-} openssl enc -d -$ALG -pass env:KEY |
-		md5sum)
-
-	if [ "$OUT" != "$(cat $TMP)" ]
-	then
-		echo ${NAME}: fail
-		rm -f $TMP
-		exit 1
-	fi
+    TMPFIFO=mktemp
+    mkfifo $TMPFIFO
+    touch $TMP
+    md5sum $TMPFIFO | awk '{ print $1 }' > $TMP &
+    OUT=$(dd if=/dev/urandom bs=65 count=$i |
+    tee $TMPFIFO |
+    openssl enc -$ALG -pass env:KEY |
+    ${ARMCAP:-} openssl enc -d -$ALG -pass env:KEY |
+    md5sum | awk '{ print $1 }' )
+    while [ "x$OUT" = "x" ] || [ "x$(cat $TMP)" = "x" ]
+    do
+        :
+    done
+    rm $TMPFIFO
+    if [ "$OUT" != "$(cat $TMP)" ]
+    then
+        echo ${NAME}: fail
+        rm -f $TMP
+        exit 1
+    fi
 done
 
 rm -f $TMP