tests: Add symmetric decryption tests.

* tests/openpgp/decrypt-sym.scm: New.
* tests/openpgp/samplemsgs/enc-sym-cfb-1.asc: New.
* tests/openpgp/samplemsgs/enc-sym-cfb-2.asc: New.
* tests/openpgp/samplemsgs/enc-sym-ocb-1.asc: New.
* tests/openpgp/samplemsgs/enc-sym-ocb-2.asc: New.
--

It's time to have some OCB tests in our suite so that we don't forget
to run the tests from our RNP interop tests.  Also adds new tests for
CFB messages.

6 files changed, 83 insertions, 0 deletions

diff --git a/tests/openpgp/Makefile.am b/tests/openpgp/Makefile.am
index 58e1c2a7d..c1e158eeb 100644
--- a/tests/openpgp/Makefile.am
+++ b/tests/openpgp/Makefile.am
@@ -47,6 +47,7 @@ XTESTS = \
 	enarmor.scm \
 	mds.scm \
 	decrypt.scm \
+	decrypt-sym.scm \
 	decrypt-multifile.scm \
 	decrypt-dsa.scm \
 	decrypt-session-key.scm \
@@ -240,6 +241,10 @@ sample_keys = samplekeys/README \
 sample_msgs = samplemsgs/clearsig-1-key-1.asc \
 	      samplemsgs/clearsig-2-keys-1.asc \
 	      samplemsgs/clearsig-2-keys-2.asc \
+	      samplemsgs/enc-sym-cfb-1.asc \
+	      samplemsgs/enc-sym-cfb-1.asc \
+	      samplemsgs/enc-sym-ocb-1.asc \
+	      samplemsgs/enc-sym-ocb-1.asc \
 	      samplemsgs/enc-1-key-1.asc \
 	      samplemsgs/enc-1-key-2.asc \
 	      samplemsgs/enc-2-keys-1.asc \
diff --git a/tests/openpgp/decrypt-sym.scm b/tests/openpgp/decrypt-sym.scm
new file mode 100644
index 000000000..7af88ea15
--- /dev/null
+++ b/tests/openpgp/decrypt-sym.scm
@@ -0,0 +1,38 @@
+#!/usr/bin/env gpgscm
+
+;; Copyright (C) 2022 g10 Code GmbH
+;;
+;; This file is part of GnuPG.
+;;
+;; GnuPG 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 3 of the License, or
+;; (at your option) any later version.
+;;
+;; GnuPG 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, see <http://www.gnu.org/licenses/>.
+
+(load (in-srcdir "tests" "openpgp" "defs.scm"))
+(setup-legacy-environment)
+
+(define passphrase "password")
+(define plaintext "Hello, world!\n")
+
+
+(for-each-p
+ "Checking decryption of symmetric encrypted files"
+ (lambda (name)
+   (tr:do
+    (tr:open (in-srcdir "tests" "openpgp" "samplemsgs"
+                        (string-append name ".asc")))
+    (tr:gpg passphrase '(--passphrase-fd "0" --yes --decrypt))
+    (tr:assert-same plaintext)))
+ '("enc-sym-cfb-1"
+   "enc-sym-cfb-2"
+   "enc-sym-ocb-1"
+   "enc-sym-ocb-2"))
diff --git a/tests/openpgp/samplemsgs/enc-sym-cfb-1.asc b/tests/openpgp/samplemsgs/enc-sym-cfb-1.asc
new file mode 100644
index 000000000..24415c94c
--- /dev/null
+++ b/tests/openpgp/samplemsgs/enc-sym-cfb-1.asc
@@ -0,0 +1,9 @@
+Symmetric encrypted message of "Hello, world!\n" using
+the passphrase "password" and cipher AES128.CFB.
+
+-----BEGIN PGP MESSAGE-----
+
+jA0EBwMCt0tGQ7H0b2Xt0j8BHVEh+mzI3SyApdQmObZuDtAKNk/dRbERyF7haRCn
+cw3N5t3hbOZ/fWlN/BRAaKplninV//QEo8lqheFFpmI=
+=LxrG
+-----END PGP MESSAGE-----
diff --git a/tests/openpgp/samplemsgs/enc-sym-cfb-2.asc b/tests/openpgp/samplemsgs/enc-sym-cfb-2.asc
new file mode 100644
index 000000000..391b31d1e
--- /dev/null
+++ b/tests/openpgp/samplemsgs/enc-sym-cfb-2.asc
@@ -0,0 +1,9 @@
+Symmetric encrypted message of "Hello, world!\n" using
+the passphrase "password" and cipher AES256.CFB.
+
+-----BEGIN PGP MESSAGE-----
+
+jA0ECQMCN4BmCgZpVHDt0j8B1MRJ3ezrbVqU3Xofj5ykOmb7dgYytxzk6QHqzdNO
+lorumncKV+xjFkte8uKqaGJoPhoKb2s9uJWDgugLMDM=
+=gy0I
+-----END PGP MESSAGE-----
diff --git a/tests/openpgp/samplemsgs/enc-sym-ocb-1.asc b/tests/openpgp/samplemsgs/enc-sym-ocb-1.asc
new file mode 100644
index 000000000..783cc9d22
--- /dev/null
+++ b/tests/openpgp/samplemsgs/enc-sym-ocb-1.asc
@@ -0,0 +1,11 @@
+Symmetric encrypted message of "Hello, world!\n" using
+the passphrase "password" and cipher AES128.OCB.
+This is the sample message from the rfc4880bis specs.
+
+-----BEGIN PGP MESSAGE-----
+
+wz0FBwIDCJ8LfaPl6mR3kJnjJuVACpCTbO+06OugjGdzcW0fJxRUCjj8rFKZSdrF
+KdPeMeFbSutynjMAM9vt1EkBBwIOXtK8HkcKvo8dZEx6bIpWew93ARlmEaFUupwl
+dM0FYoSo72gDXGI9k8xwikMhG7bq8rJ/fBjVcbzYOyCt06CLc68VuaCY
+=xyh5
+-----END PGP MESSAGE-----
diff --git a/tests/openpgp/samplemsgs/enc-sym-ocb-2.asc b/tests/openpgp/samplemsgs/enc-sym-ocb-2.asc
new file mode 100644
index 000000000..a1738e80b
--- /dev/null
+++ b/tests/openpgp/samplemsgs/enc-sym-ocb-2.asc
@@ -0,0 +1,11 @@
+Symmetric encrypted message of "Hello, world!\n" using
+the passphrase "password" and cipher AES256.OCB.
+
+-----BEGIN PGP MESSAGE-----
+
+jE0FCQIDAvYE/YfWbrWF7T3TKFmFzU/o5JSmot/OwIoDZc4sABYLMuTjVeCXUaRp
+unDEDnkCz0tsov+7ljb/tu2NUDGnybSsupE+E4bMf9RJAQkCEMhe3HeHBrv1jHsS
+gbmxjSQ/r1whc40/vh6ACbp/Yu2Te1Gf/mPxS9mgLDbIeah3G9/kXlheO4X2Hhuy
+iOCOZdpPiAp1QA==
+=U8eG
+-----END PGP MESSAGE-----