drbg: The drbg instance owns the entropy rng

src/libstrongswan/crypto/crypto_factory.h

@@ -159,7 +159,7 @@ struct crypto_factory_t {
 	 *
 	 * @param type					DRBG type to use
 	 * @param strength				security strength in bits
-	 * @param entropy				entropy source to be used
+	 * @param entropy				entropy source to be used (adopted)
 	 * @param personalization_str	optional personalization string
 	 * @return						drbg_t instance, NULL if not supported
 	 */

src/libstrongswan/crypto/crypto_tester.c

@@ -1279,7 +1279,6 @@ METHOD(crypto_tester_t, test_drbg, bool,
 
 failure:
 		drbg->destroy(drbg);
-		entropy->destroy(entropy);
 		chunk_free(&out);
 		if (failed)
 		{