diff --git a/src/platform/bouffalolab/BL702L/BUILD.gn b/src/platform/bouffalolab/BL702L/BUILD.gn
index fff0d1cd60a0c6..0063397a6b3cc4 100644
--- a/src/platform/bouffalolab/BL702L/BUILD.gn
+++ b/src/platform/bouffalolab/BL702L/BUILD.gn
@@ -75,7 +75,6 @@ static_library("BL702L") {
     import("${bouffalolab_iot_sdk_build_root}/bl702l/bl_iot_sdk.gni")
     public_deps += [
       "${bouffalolab_iot_sdk_build_root}/bl702l:bl_iot_sdk",
-      "${bouffalolab_iot_sdk_build_root}/bl702l:mbedtls",
     ]
 
     sources += [
diff --git a/src/platform/bouffalolab/BL702L/args.gni b/src/platform/bouffalolab/BL702L/args.gni
index f20cf817d2a2bc..5066ecfee7650e 100644
--- a/src/platform/bouffalolab/BL702L/args.gni
+++ b/src/platform/bouffalolab/BL702L/args.gni
@@ -22,7 +22,7 @@ chip_device_platform = "bl702l"
 
 riscv_platform_config = "${bouffalolab_iot_sdk_build_root}/common/rsicv.gni"
 
-mbedtls_target = "${bouffalolab_iot_sdk_build_root}/bl702l:mbedtls"
+mbedtls_target = "${bouffalolab_iot_sdk_build_root}/bl702l:bl_iot_sdk"
 
 chip_inet_config_enable_ipv4 = false
 chip_inet_config_enable_tcp_endpoint = false
diff --git a/src/platform/bouffalolab/BL702L/bl702l-chip-mbedtls-config.h b/src/platform/bouffalolab/BL702L/bl702l-chip-mbedtls-config.h
index 813afa6bed1dd0..95f231df8e5483 100644
--- a/src/platform/bouffalolab/BL702L/bl702l-chip-mbedtls-config.h
+++ b/src/platform/bouffalolab/BL702L/bl702l-chip-mbedtls-config.h
@@ -123,6 +123,10 @@
 #include MBEDTLS_USER_CONFIG_FILE
 #endif
 
+#define MBEDTLS_AES_ALT 1
+#define MBEDTLS_ECP_ALT 1
+#define MBEDTLS_USE_HW 1
+
 #include "mbedtls/check_config.h"
 
 #endif /* MBEDTLS_CONFIG_H */
diff --git a/third_party/bouffalolab/bl702l/BUILD.gn b/third_party/bouffalolab/bl702l/BUILD.gn
index a1fb496c0a4d34..24f60f589bdeeb 100644
--- a/third_party/bouffalolab/bl702l/BUILD.gn
+++ b/third_party/bouffalolab/bl702l/BUILD.gn
@@ -23,15 +23,6 @@ declare_args() {
 
 assert(bl_iot_sdk_target != "", "bl_iot_sdk_target must be specified")
 
-config("bl702l_mbedtls_config") {
-  defines = [ "MBEDTLS_CONFIG_FILE=\"bl702l-chip-mbedtls-config.h\"" ]
-}
-
-mbedtls_target("mbedtls") {
-  public_configs = [ ":bl702l_mbedtls_config" ]
-  include_dirs = [ "${chip_root}/src/platform/bouffalolab/BL702L" ]
-}
-
 group("bl_iot_sdk") {
   public_deps = [ bl_iot_sdk_target ]
 }
diff --git a/third_party/bouffalolab/bl702l/bl_iot_sdk.gni b/third_party/bouffalolab/bl702l/bl_iot_sdk.gni
index 3f5a609c665bcf..2672bd71becf92 100644
--- a/third_party/bouffalolab/bl702l/bl_iot_sdk.gni
+++ b/third_party/bouffalolab/bl702l/bl_iot_sdk.gni
@@ -574,12 +574,91 @@ template("bl_iot_sdk") {
     ]
 
     public_deps = [
-      "${bouffalolab_iot_sdk_build_root}/bl702l:mbedtls",
       "${chip_root}/third_party/openthread/platforms:libopenthread-platform-utils",
       "${openthread_root}/src/core:libopenthread_core_headers",
     ]
   }
+    config("${sdk_target_name}_config_mbedtls") {
+    include_dirs = [
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/include",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port",
+      "${chip_root}/src/platform/bouffalolab/BL702L", 
+    ]
+
+    defines = [ "MBEDTLS_CONFIG_FILE=\"bl702l-chip-mbedtls-config.h\"" ]
+  }
+
+  source_set("${sdk_target_name}_mbedtls") {
+    include_dirs =
+        [ "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library" ]
+
+    sources = [
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/aes_alt.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/bignum_hw.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/ecp_alt.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/ecp_curves_alt.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/hw_common.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/hw_common.h",
+      #"${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/sha1_alt.c",
+      #"${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_acc/sha256_alt.c",
+    ]
+
+    sources += [
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/bignum_ext.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/hw_entropy_poll.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/mbedtls_port_mem.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/net_sockets.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/port/pkparse.c",
+    ]
+
+    sources += [
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/aes.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/asn1parse.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/asn1write.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/base64.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/bignum.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ccm.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/cipher.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/cipher_wrap.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/cmac.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/constant_time.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ctr_drbg.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecdh.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecdsa.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecp.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/ecp_curves.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/entropy.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/hkdf.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/hmac_drbg.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/md.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/oid.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pem.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pk.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pk_wrap.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pkcs5.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/pkwrite.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/platform.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/platform_util.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/sha256.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/sha512.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509_create.c",
+      "${bl_iot_sdk_root}/components/security/mbedtls_lts/mbedtls/library/x509write_csr.c",
+    ]
 
+    cflags_c = [
+      "-Wno-sign-compare",
+      "-Wno-implicit-function-declaration",
+    ]
+    configs += [
+      ":${sdk_target_name}_config_BSP_Driver",
+      ":${sdk_target_name}_config_hosal",
+      ":${sdk_target_name}_config_bl702l_rom_a0",
+    ]
+    public_configs = [
+      ":${sdk_target_name}_config",
+      ":${sdk_target_name}_config_mbedtls",
+    ]
+  }
 
   group(sdk_target_name) {
     public_deps = [
@@ -592,6 +671,7 @@ template("bl_iot_sdk") {
       ":${sdk_target_name}_sys",
       ":${sdk_target_name}_utils",
       ":${sdk_target_name}_ble",
+      ":${sdk_target_name}_mbedtls",
     ]
     public_configs = [
       ":${sdk_target_name}_config_BSP_Driver",