diff --git a/lib/mbedtls/mbedtls_def_config.h b/lib/mbedtls/mbedtls_def_config.h
new file mode 100644
index 0000000..6fba053
--- /dev/null
+++ b/lib/mbedtls/mbedtls_def_config.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * MbedTLS config file
+ *
+ * Derived from the MbedTLS internal config file,
+ * for more information about each build option,
+ * please refer to:
+ * external/mbedtls/include/mbedtls/mbedtls_config.h
+ *
+ * Copyright (c) 2024 Linaro Limited
+ * Author: Raymond Mao <raymond.mao@linaro.org>
+ */
+
+#if defined CONFIG_MBEDTLS_LIB
+
+#if CONFIG_IS_ENABLED(MD5)
+#define MBEDTLS_MD_C
+#define MBEDTLS_MD5_C
+#if defined CONFIG_MBEDTLS_LIB_CRYPTO_ALT
+#define MBEDTLS_MD5_ALT
+#endif
+#endif
+
+#if CONFIG_IS_ENABLED(SHA1)
+#define MBEDTLS_MD_C
+#define MBEDTLS_SHA1_C
+#if defined CONFIG_MBEDTLS_LIB_CRYPTO_ALT
+#define MBEDTLS_SHA1_ALT
+#endif
+#endif
+
+#if CONFIG_IS_ENABLED(SHA256)
+#define MBEDTLS_MD_C
+#define MBEDTLS_SHA256_C
+#if defined CONFIG_MBEDTLS_LIB_CRYPTO_ALT
+#define MBEDTLS_SHA256_ALT
+#endif
+#endif
+
+#if CONFIG_IS_ENABLED(SHA384)
+#define MBEDTLS_MD_C
+#define MBEDTLS_SHA384_C
+#endif
+
+#if CONFIG_IS_ENABLED(SHA512)
+#define MBEDTLS_MD_C
+#define MBEDTLS_SHA512_C
+#if defined CONFIG_MBEDTLS_LIB_CRYPTO_ALT
+#define MBEDTLS_SHA512_ALT
+#endif
+#endif
+
+#if defined CONFIG_MBEDTLS_LIB_X509
+
+#if CONFIG_IS_ENABLED(X509_CERTIFICATE_PARSER)
+#define MBEDTLS_X509_USE_C
+#define MBEDTLS_X509_CRT_PARSE_C
+#define MBEDTLS_X509_CRL_PARSE_C
+#endif
+
+#if CONFIG_IS_ENABLED(ASYMMETRIC_PUBLIC_KEY_SUBTYPE)
+#define MBEDTLS_PK_C
+#define MBEDTLS_PK_PARSE_C
+#endif
+
+#if CONFIG_IS_ENABLED(RSA_PUBLIC_KEY_PARSER)
+#define MBEDTLS_BIGNUM_C
+#define MBEDTLS_RSA_C
+#define MBEDTLS_PKCS1_V15
+#endif
+
+#if CONFIG_IS_ENABLED(PKCS7_MESSAGE_PARSER)
+#define MBEDTLS_PKCS7_C
+#endif
+
+#if CONFIG_IS_ENABLED(ASN1_DECODER)
+#define MBEDTLS_OID_C
+#define MBEDTLS_ASN1_PARSE_C
+#define MBEDTLS_ASN1_WRITE_C
+#endif
+
+#endif /* #if defined CONFIG_MBEDTLS_LIB_X509 */
+
+#endif /* #if defined CONFIG_MBEDTLS_LIB */