Don't call memset on NULL pointer in NIST KW test suite
Note: There's no need to call `memset()` after `calloc()`
because `calloc()` includes zeroization.
diff --git a/tests/suites/test_suite_nist_kw.function b/tests/suites/test_suite_nist_kw.function
index f1acde9..9c34ea6 100644
--- a/tests/suites/test_suite_nist_kw.function
+++ b/tests/suites/test_suite_nist_kw.function
@@ -170,10 +170,6 @@
TEST_ASSERT( ciphertext != NULL );
}
- memset( plaintext, 0, in_len );
- memset( ciphertext, 0, output_len );
-
-
TEST_ASSERT( mbedtls_nist_kw_setkey( &ctx, MBEDTLS_CIPHER_ID_AES,
key, 8 * sizeof( key ), 1 ) == 0 );
@@ -225,10 +221,6 @@
TEST_ASSERT( ciphertext != NULL );
}
- memset( plaintext, 0, output_len );
- memset( ciphertext, 0, in_len );
-
-
TEST_ASSERT( mbedtls_nist_kw_setkey( &ctx, MBEDTLS_CIPHER_ID_AES,
key, 8 * sizeof( key ), 0 ) == 0 );
unwrap_ret = mbedtls_nist_kw_unwrap( &ctx, mode, ciphertext, in_len,