generic: verify ciphertext of v2 encryption policies with Adiantum

Verify ciphertext for v2 encryption policies that use Adiantum to
encrypt file contents and file names.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>

tests/generic/584

@@ -0,0 +1,45 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright 2019 Google LLC
+#
+# FS QA Test No. generic/584
+#
+# Verify ciphertext for v2 encryption policies that use Adiantum to encrypt file
+# contents and file names.
+#
+# This is the same as generic/550, except using v2 policies.
+#
+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
+
+# Test both with and without the DIRECT_KEY flag.
+_verify_ciphertext_for_encryption_policy Adiantum Adiantum v2
+_verify_ciphertext_for_encryption_policy Adiantum Adiantum v2 direct
+
+# success, all done
+status=0
+exit

tests/generic/584.out

@@ -0,0 +1,11 @@
+QA output created by 584
+
+Verifying ciphertext with parameters:
+	contents_encryption_mode: Adiantum
+	filenames_encryption_mode: Adiantum
+	options: v2
+
+Verifying ciphertext with parameters:
+	contents_encryption_mode: Adiantum
+	filenames_encryption_mode: Adiantum
+	options: v2 direct

tests/generic/group

@@ -586,3 +586,4 @@
 581 auto quick encrypt
 582 auto quick encrypt
 583 auto quick encrypt
+584 auto quick encrypt