lib/crypto: add aes_cmac_128_test.c as local.crypto.aes_cmac_128 test

metze

2 files changed, 93 insertions, 1 deletions

diff --git a/lib/crypto/aes_cmac_128_test.c b/lib/crypto/aes_cmac_128_test.c
new file mode 100644
index 0000000000..173087f064
--- /dev/null
+++ b/lib/crypto/aes_cmac_128_test.c
@@ -0,0 +1,92 @@
+/*
+   AES-CMAC-128 tests
+   Copyright (C) Stefan Metzmacher 2012
+
+   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 3 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, see <http://www.gnu.org/licenses/>.
+*/
+#include "replace.h"
+#include "../lib/util/samba_util.h"
+#include "../lib/crypto/crypto.h"
+
+struct torture_context;
+bool torture_local_crypto_aes_cmac_128(struct torture_context *torture);
+
+/*
+ This uses the test values from rfc 4493
+*/
+bool torture_local_crypto_aes_cmac_128(struct torture_context *torture)
+{
+	bool ret = true;
+	uint32_t i;
+	DATA_BLOB key;
+	struct {
+		DATA_BLOB data;
+		DATA_BLOB cmac;
+	} testarray[5];
+
+	TALLOC_CTX *tctx = talloc_new(torture);
+	if (!tctx) { return false; };
+
+	key = strhex_to_data_blob(tctx, "2b7e151628aed2a6abf7158809cf4f3c");
+
+	testarray[0].data = data_blob_null;
+	testarray[0].cmac = strhex_to_data_blob(tctx,
+				"bb1d6929e95937287fa37d129b756746");
+
+	testarray[1].data = strhex_to_data_blob(tctx,
+				"6bc1bee22e409f96e93d7e117393172a");
+	testarray[1].cmac = strhex_to_data_blob(tctx,
+				"070a16b46b4d4144f79bdd9dd04a287c");
+
+	testarray[2].data = strhex_to_data_blob(tctx,
+				"6bc1bee22e409f96e93d7e117393172a"
+				"ae2d8a571e03ac9c9eb76fac45af8e51"
+				"30c81c46a35ce411");
+	testarray[2].cmac = strhex_to_data_blob(tctx,
+				"dfa66747de9ae63030ca32611497c827");
+
+	testarray[3].data = strhex_to_data_blob(tctx,
+				"6bc1bee22e409f96e93d7e117393172a"
+				"ae2d8a571e03ac9c9eb76fac45af8e51"
+				"30c81c46a35ce411e5fbc1191a0a52ef"
+				"f69f2445df4f9b17ad2b417be66c3710");
+	testarray[3].cmac = strhex_to_data_blob(tctx,
+				"51f0bebf7e3b9d92fc49741779363cfe");
+
+	ZERO_STRUCT(testarray[4]);
+
+	for (i=0; testarray[i].cmac.length != 0; i++) {
+		struct aes_cmac_128_context ctx;
+		uint8_t cmac[AES_BLOCK_SIZE];
+		int e;
+
+		aes_cmac_128_init(&ctx, key.data);
+		aes_cmac_128_update(&ctx,
+				    testarray[i].data.data,
+				    testarray[i].data.length);
+		aes_cmac_128_final(&ctx, cmac);
+
+		e = memcmp(testarray[i].cmac.data, cmac, sizeof(cmac));
+		if (e != 0) {
+			printf("aes_cmac_128 test[%u]: failed\n", i);
+			dump_data(0, key.data, key.length);
+			dump_data(0, testarray[i].data.data, testarray[i].data.length);
+			dump_data(0, testarray[i].cmac.data, testarray[i].cmac.length);
+			dump_data(0, cmac, sizeof(cmac));
+			ret = false;
+		}
+	}
+	talloc_free(tctx);
+	return ret;
+}
diff --git a/lib/crypto/wscript_build b/lib/crypto/wscript_build
index c4bfefc1fd..f50269879b 100644
--- a/lib/crypto/wscript_build
+++ b/lib/crypto/wscript_build
@@ -15,7 +15,7 @@ bld.SAMBA_SUBSYSTEM('LIBCRYPTO',
         )
 
 bld.SAMBA_SUBSYSTEM('TORTURE_LIBCRYPTO',
-	source='md4test.c md5test.c hmacmd5test.c',
+	source='md4test.c md5test.c hmacmd5test.c aes_cmac_128_test.c',
 	autoproto='test_proto.h',
 	deps='LIBCRYPTO'
 	)