aes: xts: Add tests for invalid key sizes
Test that we get the error we expect when using various valid and invalid
keysizes with mbedtls_aes_xts_setkey_enc() and
mbedtls_aes_xts_setkey_dec().
diff --git a/tests/suites/test_suite_aes.function b/tests/suites/test_suite_aes.function
index aec4a49..e346dc7 100644
--- a/tests/suites/test_suite_aes.function
+++ b/tests/suites/test_suite_aes.function
@@ -258,6 +258,21 @@
}
/* END_CASE */
+/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_XTS */
+void aes_crypt_xts_keysize( int size, int retval )
+{
+ mbedtls_aes_xts_context ctx;
+ const unsigned char *key = NULL;
+ size_t key_len = size;
+
+ mbedtls_aes_xts_init( &ctx );
+
+ TEST_ASSERT( mbedtls_aes_xts_setkey_enc( &ctx, key, key_len * 8 ) == retval );
+ TEST_ASSERT( mbedtls_aes_xts_setkey_dec( &ctx, key, key_len * 8 ) == retval );
+exit:
+ mbedtls_aes_xts_free( &ctx );
+}
+/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_CIPHER_MODE_CFB */