linux-ext4 - [RFC PATCH 6/7] generic: verify ciphertext of v1 encryption policies with AES-128

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Date:   Fri, 26 Apr 2019 13:41:52 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     fstests@...r.kernel.org
Cc:     linux-fscrypt@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net
Subject: [RFC PATCH 6/7] generic: verify ciphertext of v1 encryption policies with AES-128

From: Eric Biggers <ebiggers@...gle.com>

Verify ciphertext for v1 encryption policies that use AES-128-CBC-ESSIV
to encrypt file contents and AES-128-CTS-CBC to encrypt file names.

Signed-off-by: Eric Biggers <ebiggers@...gle.com>
---
 tests/generic/701     | 41 +++++++++++++++++++++++++++++++++++++++++
 tests/generic/701.out |  5 +++++
 tests/generic/group   |  1 +
 3 files changed, 47 insertions(+)
 create mode 100755 tests/generic/701
 create mode 100644 tests/generic/701.out

diff --git a/tests/generic/701 b/tests/generic/701
new file mode 100755
index 00000000..d477f5bd
--- /dev/null
+++ b/tests/generic/701
@@ -0,0 +1,41 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright 2019 Google LLC
+#
+# FS QA Test generic/701
+#
+# Verify ciphertext for v1 encryption policies that use AES-128-CBC-ESSIV to
+# encrypt file contents and AES-128-CTS-CBC to encrypt file names.
+#
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1	# failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+	cd /
+	rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+. ./common/encrypt
+
+# remove previous $seqres.full before test
+rm -f $seqres.full
+
+# real QA test starts here
+_supported_fs generic
+_supported_os Linux
+
+_verify_ciphertext_for_encryption_policy AES-128-CBC-ESSIV AES-128-CTS-CBC
+
+# success, all done
+status=0
+exit
diff --git a/tests/generic/701.out b/tests/generic/701.out
new file mode 100644
index 00000000..cfb6c924
--- /dev/null
+++ b/tests/generic/701.out
@@ -0,0 +1,5 @@
+QA output created by 701
+
+Verifying ciphertext with parameters:
+	contents_encryption_mode: AES-128-CBC-ESSIV
+	filenames_encryption_mode: AES-128-CTS-CBC
diff --git a/tests/generic/group b/tests/generic/group
index 22e5c028..6bb793cb 100644
--- a/tests/generic/group
+++ b/tests/generic/group
@@ -548,3 +548,4 @@
 543 auto quick clone
 544 auto quick clone
 700 auto quick encrypt
+701 auto quick encrypt
-- 
2.21.0.593.g511ec345e18-goog