diff --git a/external/curl/build_curl.sh b/external/curl/build_curl.sh
new file mode 100755
index 00000000..10b8197c
--- /dev/null
+++ b/external/curl/build_curl.sh
@@ -0,0 +1,76 @@
+#!/bin/bash
+#编译curl库
+platform=$1
+CMAKE_SOURCE_DIR=$2
+echo "Compile curl, platform = $platform, cmake source dir = $CMAKE_SOURCE_DIR."
+export ROOT_PATH=$PWD
+if [ ! -d "./curl-8.1.2" ];then
+    echo "tar zxvf curl-8.1.2.tar.gz"
+    tar zxvf curl-8.1.2.tar.gz
+fi
+if [ -d "./curl-8.1.2" ];then
+    cd ./curl-8.1.2
+    
+    if [ ! -d "./build" ];then
+        echo "mkdir build"
+        mkdir build
+    fi
+    cd build
+fi
+exit
+# tailor="no-asm no-async no-md2 no-mdc2 no-poly1305 no-blake2 \
+#         no-siphash no-sm3 no-rc2 no-rc4 no-rc5 no-idea no-aria no-bf no-cast \
+#         no-camellia no-chacha no-ec no-sm2 no-dso \
+#         no-err no-comp no-cms no-ts no-cmac no-ct \
+#         no-hw-padlock no-nextprotoneg no-psk no-rfc3779 no-srtp \
+#         no-cms no-dgram no-dynamic-engine no-ec no-ec2m no-filenames no-gost \
+#         no-afalgeng no-async no-autoalginit no-autoerrinit no-capieng"
+tailor="--disable-dict --disable-file --disable-gopher \
+        --disable-imap --disable-ldap --disable-pop3 --disable-rtmp \
+        --disable-rtsp --disable-scp --disable-sftp --disable-smb \
+        --disable-telnet --disable-tftp --disable-ipv6"
+if [ ! -f "./googletest-release-1.11.0/googlemock/lib/libgtest.a" ] || [ ! -f "./googletest-release-1.11.0/googlemock/lib/libgmock.a" ];then
+    echo "make curl"
+    case $platform in
+    "linux")
+    echo "==Compile linux."
+    # cmake -DCMAKE_TOOLCHAIN_FILE=$CMAKE_SOURCE_DIR/build/cmake/toolchain/linux.toolchain.cmake .
+    # make
+    # CFLAGS=-fPIC cmake .. \
+	# -DCMAKE_BUILD_TYPE=RELEASE \
+	# -DCMAKE_INSTALL_PREFIX=$ROOT_PATH \
+	# -DBUILD_SHARED_LIBS=OFF -DCURL_USE_OPENSSL=ON \
+	# -DCMAKE_PREFIX_PATH=../../../openssl/build \
+	# -DCMAKE_TOOLCHAIN_FILE=../../../../build/cmake/toolchain/linux.toolchain.cmake
+    # make libcurl
+    cd ../
+    ./configure --without-zlib --prefix=$ROOT_PATH --with-ssl=/home/xiaojiazhu/project_codes/sifarsdk/external/openssl/build CC=gcc
+    make
+    # cmake --build .. --target install --config Release -j 8
+    ;;
+    "sigmastart_333DE")
+    echo "==Compile sigmastart_333DE."
+    # cmake -DCMAKE_TOOLCHAIN_FILE=$CMAKE_SOURCE_DIR/333DE/build/cmake/toolchain/sigmastart_333DE.toolchain.cmake .
+    # CFLAGS=-fPIC cmake .. \
+	# -DCMAKE_BUILD_TYPE=RELEASE \
+	# -DCMAKE_INSTALL_PREFIX=$ROOT_PATH \
+	# -DBUILD_SHARED_LIBS=OFF -DCURL_USE_OPENSSL=ON \
+	# -DCMAKE_PREFIX_PATH=../../../openssl/build \
+	# -DCMAKE_TOOLCHAIN_FILE=../../../../333DE/build/cmake/toolchain/sigmastart_333DE.toolchain.cmake
+    # make libcurl
+    cd ../
+    # without openssl
+    # ./configure --prefix=$ROOT_PATH  --host=arm-linux CC=arm-linux-gnueabihf-9.1.0-gcc --without-ssl
+    # with openssl
+    # ./configure --prefix=$ROOT_PATH --with-ssl=/home/xiaojiazhu/project_codes/sifarsdk/external/curl --host=arm-linux CC=arm-linux-gnueabihf-9.1.0-gcc
+    ./configure $tailor --without-zlib --prefix=$ROOT_PATH --with-ssl=/home/xiaojiazhu/project_codes/sifarsdk/external/openssl/build --host=arm-linux CC=arm-linux-gnueabihf-9.1.0-gcc
+    make
+    ;;
+    *)
+    echo "Compile gtest failed."
+    ;;
+    esac
+fi
+
+cd $ROOT_PATH
+echo "Exit build_curl.sh."
\ No newline at end of file
diff --git a/external/curl/curl-8.1.2.tar.gz b/external/curl/curl-8.1.2.tar.gz
new file mode 100644
index 00000000..f4c028ef
Binary files /dev/null and b/external/curl/curl-8.1.2.tar.gz differ
diff --git a/external/openssl/build_openssl.sh b/external/openssl/build_openssl.sh
new file mode 100755
index 00000000..cbdfb848
--- /dev/null
+++ b/external/openssl/build_openssl.sh
@@ -0,0 +1,62 @@
+#!/bin/bash
+#编译curl库
+platform=$1
+CMAKE_SOURCE_DIR=$2
+echo "Compile curl, platform = $platform, cmake source dir = $CMAKE_SOURCE_DIR."
+export ROOT_PATH=$PWD
+
+# if [ ! -d "./openssl-3.1.0" ];then
+#     echo "tar zxvf openssl-3.1.0.tar.gz"
+#     tar zxvf openssl-3.1.0.tar.gz
+# fi
+# if [ -d "./openssl-3.1.0" ];then
+#     echo "cd ./openssl-3.1.0"
+#     cd ./openssl-3.1.0
+# fi
+
+if [ ! -d "./openssl-1.1.1s" ];then
+    echo "tar zxvf openssl-1.1.1s.tar.gz"
+    tar zxvf openssl-1.1.1s.tar.gz
+fi
+if [ -d "./openssl-1.1.1s" ];then
+    cd ./openssl-1.1.1s
+fi
+exit
+tailor="no-asm no-async no-md2 no-mdc2 no-poly1305 no-blake2 \
+        no-siphash no-sm3 no-rc2 no-rc4 no-rc5 no-idea no-aria no-bf no-cast \
+        no-camellia no-chacha no-ec no-sm2 no-dso \
+        no-err no-comp no-cms no-ts no-cmac no-ct \
+        no-hw-padlock no-nextprotoneg no-psk no-rfc3779 no-srtp \
+        no-dgram no-dynamic-engine no-ec2m no-filenames no-gost \
+        no-afalgeng no-async no-autoalginit no-autoerrinit no-capieng \
+        no-tests \
+        no-ssl-trace no-static-engine no-stdio no-threads no-deprecated no-makedepend \
+        no-multiblock"
+echo $tailor
+# if [ -d "./build" ];then
+#     mkdir build
+# fi
+if [ ! -f "./googletest-release-1.11.0/googlemock/lib/libgtest.a" ] || [ ! -f "./googletest-release-1.11.0/googlemock/lib/libgmock.a" ];then
+    echo "make openssl"
+    case $platform in
+    "linux")
+    echo "==Compile linux."
+    ./Configure $tailor linux-x86_64 --prefix=$ROOT_PATH/build --openssldir=$ROOT_PATH/build --cross-compile-prefix=
+    # ./Configure no-asm shared --prefix=$ROOT_PATH/build --openssldir=$ROOT_PATH/build
+    make
+    make install
+    ;;
+    "sigmastart_333DE")
+    echo "==Compile sigmastart_333DE."
+    ./Configure $tailor linux-armv4 --prefix=$ROOT_PATH/build --openssldir=$ROOT_PATH/build --cross-compile-prefix=arm-linux-gnueabihf-9.1.0-
+    make
+    make install
+    ;;
+    *)
+    echo "Compile gtest failed."
+    ;;
+    esac
+fi
+
+cd $ROOT_PATH
+echo "Exit build_openssl.sh."
\ No newline at end of file
diff --git a/external/openssl/openssl-1.1.1s.tar.gz b/external/openssl/openssl-1.1.1s.tar.gz
new file mode 100644
index 00000000..9f41c501
Binary files /dev/null and b/external/openssl/openssl-1.1.1s.tar.gz differ