Add plugins (#27)

plugins/wasm-cpp/common/crypto_util.h

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2022 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+#include "openssl/hmac.h"
+#include "openssl/md5.h"
+#include "openssl/sha.h"
+
+#define ASSERT(_X) assert(_X)
+
+namespace Wasm::Common::Crypto {
+
+std::vector<uint8_t> getShaHmac(std::string_view hash_type,
+                                std::string_view key, std::string_view message);
+
+std::string getShaHmacBase64(std::string_view hash_type, std::string_view key,
+                             std::string_view message);
+
+std::vector<uint8_t> getMD5(std::string_view message);
+
+std::string getMD5Base64(std::string_view message);
+
+bool crypt(const std::string& key, const std::string& salt,
+           std::string& encrypted);
+
+}  // namespace Wasm::Common::Crypto