xof: Defined Extended Output Functions

src/libstrongswan/crypto/crypto_tester.h

@@ -30,6 +30,7 @@ typedef struct aead_test_vector_t aead_test_vector_t;
 typedef struct signer_test_vector_t signer_test_vector_t;
 typedef struct hasher_test_vector_t hasher_test_vector_t;
 typedef struct prf_test_vector_t prf_test_vector_t;
+typedef struct xof_test_vector_t xof_test_vector_t;
 typedef struct rng_test_vector_t rng_test_vector_t;
 typedef struct dh_test_vector_t dh_test_vector_t;
 
@@ -114,6 +115,19 @@ struct prf_test_vector_t {
 	u_char *out;
 };
 
+struct xof_test_vector_t {
+	/** xof algorithm this test vector tests */
+	ext_out_function_t alg;
+	/** size of the seed data */
+	size_t len;
+	/** seed data */
+	u_char *seed;
+	/** size of the output */
+	size_t out_len;
+	/** expected output of size*/
+	u_char *out;
+};
+
 /**
  * Test vector for a RNG.
  *
@@ -216,6 +230,17 @@ struct crypto_tester_t {
 	bool (*test_prf)(crypto_tester_t *this, pseudo_random_function_t alg,
 					 prf_constructor_t create,
 					 u_int *speed, const char *plugin_name);
+	/**
+	 * Test an XOF algorithm.
+	 *
+	 * @param alg			algorithm to test
+	 * @param create		constructor function for the XOF
+	 * @param speed			speed test result, NULL to omit
+	 * @return				TRUE if test passed
+	 */
+	bool (*test_xof)(crypto_tester_t *this, ext_out_function_t alg,
+					 xof_constructor_t create,
+					 u_int *speed, const char *plugin_name);
 	/**
 	 * Test a RNG implementation.
 	 *
@@ -274,6 +299,13 @@ struct crypto_tester_t {
 	 */
 	void (*add_prf_vector)(crypto_tester_t *this, prf_test_vector_t *vector);
 
+	/**
+	 * Add a test vector to test an XOF.
+	 *
+	 * @param vector		pointer to test vector
+	 */
+	void (*add_xof_vector)(crypto_tester_t *this, xof_test_vector_t *vector);
+
 	/**
 	 * Add a test vector to test a RNG.
 	 *