unit-tests: Move ntru_test_rng_t to a utility class in libtest

src/libstrongswan/plugins/ntru/Makefile.am

@@ -14,7 +14,6 @@ libstrongswan_ntru_la_SOURCES = \
 	ntru_plugin.h ntru_plugin.c \
 	ntru_drbg.h ntru_drbg.c \
 	ntru_ke.h ntru_ke.c \
-	ntru_test_rng.h ntru_test_rng.c \
 	ntru_crypto/ntru_crypto.h ntru_crypto/ntru_crypto_error.h \
 	ntru_crypto/ntru_crypto_ntru_convert.h \
 	ntru_crypto/ntru_crypto_ntru_convert.c \

src/libstrongswan/tests/Makefile.am

@@ -2,7 +2,8 @@ check_LTLIBRARIES = libtest.la
 
 libtest_la_SOURCES = \
   test_suite.c test_suite.h \
-  test_runner.c test_runner.h
+  test_runner.c test_runner.h \
+  utils/test_rng.c utils/test_rng.h
 
 libtest_la_CFLAGS = \
   -I$(top_srcdir)/src/libstrongswan \

src/libstrongswan/tests/suites/test_ntru.c

@@ -15,8 +15,8 @@
 
 #include "test_suite.h"
 
+#include <tests/utils/test_rng.h>
 #include <plugins/ntru/ntru_drbg.h>
-#include <plugins/ntru/ntru_test_rng.h>
 
 /**
  * NTRU parameter sets to test
@@ -47,7 +47,7 @@ START_TEST(test_ntru_test_rng)
 	in2 = chunk_from_chars(0x07, 0x08);
 	in = chunk_cat("cc", in1, in2);
 
-	entropy = ntru_test_rng_create(in);
+	entropy = test_rng_create(in);
 	ck_assert(entropy->allocate_bytes(entropy, 6, &out));
 	ck_assert(chunk_equals(in1, out));
 	ck_assert(entropy->get_bytes(entropy, 2, out.ptr));
@@ -241,7 +241,7 @@ START_TEST(test_ntru_drbg)
 	chunk_t out;
 
 	out = chunk_alloc(128);
-	entropy = ntru_test_rng_create(drbg_tests[_i].entropy);
+	entropy = test_rng_create(drbg_tests[_i].entropy);
 	drbg = ntru_drbg_create(256, drbg_tests[_i].pers_str, entropy);
 	ck_assert(drbg != NULL);
 	ck_assert(drbg->reseed(drbg));
@@ -263,7 +263,7 @@ START_TEST(test_ntru_drbg_reseed)
 	lib->settings->set_int(lib->settings,
 						  "libstrongswan.plugins.ntru.max_drbg_requests", 2);
 	out = chunk_alloc(128);
-	entropy = ntru_test_rng_create(drbg_tests[0].entropy);
+	entropy = test_rng_create(drbg_tests[0].entropy);
 	drbg = ntru_drbg_create(256, chunk_empty, entropy);
 
 	/* bad output parameters */
@@ -287,7 +287,7 @@ START_TEST(test_ntru_drbg_reseed)
 	entropy->destroy(entropy);
 
 	/* one automatic reseeding occurs */
-	entropy = ntru_test_rng_create(drbg_tests[0].entropy);
+	entropy = test_rng_create(drbg_tests[0].entropy);
 	drbg = ntru_drbg_create(256, chunk_empty, entropy);
 	ck_assert(drbg->generate(drbg, 256, 128, out.ptr));
 	ck_assert(drbg->generate(drbg, 256, 128, out.ptr));
@@ -311,7 +311,7 @@ START_TEST(test_ntru_ke)
 	char buf[10];
 	int n, len;
 	status_t status;
-	
+
 	len = snprintf(buf, sizeof(buf), "%N", diffie_hellman_group_names,
 				   params[_i].group);
 	ck_assert(len == 8);

src/libstrongswan/tests/test_runner.h

@@ -16,6 +16,9 @@
 /**
  * @defgroup libtest libtest
  *
+ * @defgroup test_utils test_utils
+ * @ingroup libtest
+ *
  * @defgroup test_runner test_runner
  * @{ @ingroup libtest
  */

src/libstrongswan/tests/utils/test_rng.c

@@ -13,28 +13,28 @@
  * for more details.
  */
 
-#include "ntru_test_rng.h"
+#include "test_rng.h"
 
-typedef struct private_ntru_test_rng_t private_ntru_test_rng_t;
+typedef struct private_rng_t private_rng_t;
 
 /**
- * Private data of an ntru_test_rng_t object.
+ * Private data.
  */
-struct private_ntru_test_rng_t {
+struct private_rng_t {
 
 	/**
-	 * Public ntru_test_rng_t interface.
+	 * Public interface.
 	 */
-	ntru_test_rng_t public;
+	rng_t public;
 
 	/**
-	 * entropy string
+	 * Entropy string.
 	 */
 	chunk_t entropy;
 };
 
 METHOD(rng_t, get_bytes, bool,
-	private_ntru_test_rng_t *this, size_t bytes, u_int8_t *buffer)
+	private_rng_t *this, size_t bytes, u_int8_t *buffer)
 {
 	if (bytes > this->entropy.len)
 	{
@@ -46,7 +46,7 @@ METHOD(rng_t, get_bytes, bool,
 }
 
 METHOD(rng_t, allocate_bytes, bool,
-	private_ntru_test_rng_t *this, size_t bytes, chunk_t *chunk)
+	private_rng_t *this, size_t bytes, chunk_t *chunk)
 {
 	if (bytes > this->entropy.len)
 	{
@@ -61,7 +61,7 @@ METHOD(rng_t, allocate_bytes, bool,
 }
 
 METHOD(rng_t, destroy, void,
-	private_ntru_test_rng_t *this)
+	private_rng_t *this)
 {
 	free(this);
 }
@@ -69,21 +69,18 @@ METHOD(rng_t, destroy, void,
 /*
  * Described in header.
  */
-rng_t *ntru_test_rng_create(chunk_t entropy)
+rng_t *test_rng_create(chunk_t entropy)
 {
-	private_ntru_test_rng_t *this;
+	private_rng_t *this;
 
 	INIT(this,
 		.public = {
-			.rng = {
-				.get_bytes = _get_bytes,
-				.allocate_bytes = _allocate_bytes,
-				.destroy = _destroy,
-			},
+			.get_bytes = _get_bytes,
+			.allocate_bytes = _allocate_bytes,
+			.destroy = _destroy,
 		},
 		.entropy = entropy,
 	);
 
-	return &this->public.rng;
+	return &this->public;
 }
-

src/libstrongswan/tests/utils/test_rng.h

@@ -14,34 +14,23 @@
  */
 
 /**
- * @defgroup ntru_test_rng ntru_test_rng
- * @{ @ingroup ntru_p
+ * rng_t providing NIST SP 800-90A entropy test vectors
+ *
+ * @defgroup test_rng test_rng
+ * @{ @ingroup test_utils
  */
 
-#ifndef NTRU_TEST_RNG_H_
-#define NTRU_TEST_RNG_H_
-
-typedef struct ntru_test_rng_t ntru_test_rng_t;
+#ifndef TEST_RNG_H_
+#define TEST_RNG_H_
 
 #include <library.h>
 
 /**
- * rng_t providing NIST SP 800-90A entropy test vectors
- */
-struct ntru_test_rng_t {
-
-	/**
-	 * Implements rng_t.
-	 */
-	rng_t rng;
-};
-
-/**
- * Creates an ntru_test_rng_t instance.
+ * Creates a test_rng_t instance.
  *
  * @param entropy	entropy test vector
- * @return			created ntru_test_rng_t
+ * @return			created test_rng_t
  */
-rng_t *ntru_test_rng_create(chunk_t entropy);
+rng_t *test_rng_create(chunk_t entropy);
 
-#endif /** NTRU_TEST_RNG_H_ @} */
+#endif /** TEST_RNG_H_ @} */