From 800229d66126e670ac7286488d1bd8798fedad62 Mon Sep 17 00:00:00 2001
From: Fathi Boudra <fathi.boudra@linaro.org>
Date: Thu, 5 Sep 2013 13:17:58 +0300
Subject: Add test to verify correctness of NEON bit sliced AES code in OpenSSL

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Fathi Boudra <fathi.boudra@linaro.org>
---
 ubuntu/openssl-bsaes.yaml       | 22 ++++++++++++++++++
 ubuntu/scripts/openssl-bsaes.sh | 51 +++++++++++++++++++++++++++++++++++++++++
 2 files changed, 73 insertions(+)
 create mode 100644 ubuntu/openssl-bsaes.yaml
 create mode 100755 ubuntu/scripts/openssl-bsaes.sh

(limited to 'ubuntu')

diff --git a/ubuntu/openssl-bsaes.yaml b/ubuntu/openssl-bsaes.yaml
new file mode 100644
index 0000000..8c21011
--- /dev/null
+++ b/ubuntu/openssl-bsaes.yaml
@@ -0,0 +1,22 @@
+metadata:
+  name: openssl-bsaes
+  format: "Lava-Test-Shell Test Definition 1.0"
+  description: "Test to verify correctness of the NEON bit sliced AES code in OpenSSL"
+
+install:
+    deps:
+        - bsdmainutils
+
+run:
+    steps:
+        - ./ubuntu/scripts/openssl-bsaes.sh 128 ctr
+        - ./ubuntu/scripts/openssl-bsaes.sh 192 ctr
+        - ./ubuntu/scripts/openssl-bsaes.sh 256 ctr
+        - ./ubuntu/scripts/openssl-bsaes.sh 128 cbc
+        - ./ubuntu/scripts/openssl-bsaes.sh 192 cbc
+        - ./ubuntu/scripts/openssl-bsaes.sh 256 cbc
+        - ./ubuntu/scripts/openssl-bsaes.sh 128 xts
+        - ./ubuntu/scripts/openssl-bsaes.sh 256 xts
+
+parse:
+    pattern: "(?P<test_case_id>.*-*):\\s+(?P<result>(pass|fail))"
diff --git a/ubuntu/scripts/openssl-bsaes.sh b/ubuntu/scripts/openssl-bsaes.sh
new file mode 100755
index 0000000..b01224c
--- /dev/null
+++ b/ubuntu/scripts/openssl-bsaes.sh
@@ -0,0 +1,51 @@
+#!/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>
+##
+
+set -u
+
+BITS=$1
+MODE=$2
+
+exec 2> /dev/null
+
+KEY=$(dd if=/dev/urandom bs=32 count=1 | hexdump -ve '/1 "%02x"')
+ALG=aes-$BITS-$MODE
+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" ]
+then
+	ARMCAP="env OPENSSL_armcap=0"
+fi
+
+TMP=/tmp/bsaestest-$$.md5sum
+
+export KEY
+export ARMCAP
+
+for i in $(seq 100)
+do
+	OUT=$(dd if=/dev/urandom bs=16k count=1 |
+		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
+done
+
+rm -f $TMP
+echo ${NAME}: pass
-- 
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