SSLUtil.h 4.4 KB

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  1. /*
  2. * Copyright (c) 2016 The ZLToolKit project authors. All Rights Reserved.
  3. *
  4. * This file is part of ZLToolKit(https://github.com/xia-chu/ZLToolKit).
  5. *
  6. * Use of this source code is governed by MIT license that can be found in the
  7. * LICENSE file in the root of the source tree. All contributing project authors
  8. * may be found in the AUTHORS file in the root of the source tree.
  9. */
  10. #ifndef ZLTOOLKIT_SSLUTIL_H
  11. #define ZLTOOLKIT_SSLUTIL_H
  12. #include <memory>
  13. #include <string>
  14. #include <vector>
  15. using namespace std;
  16. typedef struct x509_st X509;
  17. typedef struct evp_pkey_st EVP_PKEY;
  18. typedef struct ssl_ctx_st SSL_CTX;
  19. typedef struct ssl_st SSL;
  20. typedef struct bio_st BIO;
  21. namespace toolkit{
  22. /**
  23. * ssl证书后缀一般分为以下几种
  24. * pem:这个是base64的字符编码串,可能存在公钥、私钥或者两者都存在
  25. * cer:只且只能是公钥,可以与pem的私钥配合使用
  26. * p12:必须包括私钥和公钥
  27. */
  28. class SSLUtil {
  29. public:
  30. static std::string getLastError();
  31. /**
  32. * 加载公钥证书,支持pem,p12,cer后缀
  33. * 由于openssl加载p12证书时会校验公钥和私钥是否匹对,所以加载p12的公钥时可能需要传入证书密码
  34. * @param file_path_or_data 文件路径或文件内容
  35. * @param isFile 是否为文件
  36. * @return 公钥证书列表
  37. */
  38. static vector<shared_ptr<X509> > loadPublicKey(const string &file_path_or_data,const string &passwd = "",bool isFile = true);
  39. /**
  40. * 加载私钥证书,支持pem,p12后缀
  41. * @param file_path_or_data 文件路径或文件内容
  42. * @param passwd 密码
  43. * @param isFile 是否为文件
  44. * @return 私钥证书
  45. */
  46. static shared_ptr<EVP_PKEY> loadPrivateKey(const string &file_path_or_data,const string &passwd = "",bool isFile = true);
  47. /**
  48. * 创建SSL_CTX对象
  49. * @param cer 公钥数组
  50. * @param key 私钥
  51. * @param serverMode 是否为服务器模式或客户端模式
  52. * @return SSL_CTX对象
  53. */
  54. static shared_ptr<SSL_CTX> makeSSLContext(const vector<shared_ptr<X509> > &cers, const shared_ptr<EVP_PKEY> &key, bool serverMode = true);
  55. /**
  56. * 创建ssl对象
  57. * @param ctx SSL_CTX对象
  58. * @return
  59. */
  60. static shared_ptr<SSL> makeSSL(SSL_CTX *ctx);
  61. /**
  62. * specifies that the default locations from which CA certificates are loaded should be used.
  63. * There is one default directory and one default file.
  64. * The default CA certificates directory is called "certs" in the default OpenSSL directory.
  65. * Alternatively the SSL_CERT_DIR environment variable can be defined to override this location.
  66. * The default CA certificates file is called "cert.pem" in the default OpenSSL directory.
  67. * Alternatively the SSL_CERT_FILE environment variable can be defined to override this location.
  68. * 信任/usr/local/ssl/certs/目录下的所有证书/usr/local/ssl/cert.pem的证书
  69. * 环境变量SSL_CERT_FILE将替换/usr/local/ssl/cert.pem的路径
  70. * @param ctx
  71. */
  72. static bool loadDefaultCAs(SSL_CTX *ctx);
  73. /**
  74. * 信任某公钥
  75. * @param cer
  76. */
  77. static bool trustCertificate(SSL_CTX *ctx , X509 *cer);
  78. /**
  79. * 验证证书合法性
  80. * @param cer 待验证的证书
  81. * @param ... 信任的CA根证书,X509类型,以NULL结尾
  82. * @return 是否合法
  83. */
  84. static bool verifyX509(X509 *cer,...);
  85. /**
  86. * 使用公钥加解密数据
  87. * @param cer 公钥,必须为ras的公钥
  88. * @param in_str 加密或解密的原始数据,实测加密最大支持245个字节,加密后数据长度固定为256个字节
  89. * @param enc_or_dec true:加密,false:解密
  90. * @return 加密或解密后的数据
  91. */
  92. static string cryptWithRsaPublicKey(X509 *cer , const string &in_str,bool enc_or_dec);
  93. /**
  94. * 使用私钥加解密数据
  95. * @param private_key 私钥,必须为ras的私钥
  96. * @param in_str 加密或解密的原始数据,实测加密最大支持245个字节,加密后数据长度固定为256个字节
  97. * @param enc_or_dec true:加密,false:解密
  98. * @return 加密或解密后的数据
  99. */
  100. static string cryptWithRsaPrivateKey(EVP_PKEY *private_key, const string &in_str, bool enc_or_dec);
  101. /**
  102. * 获取证书域名
  103. * @param cer 证书公钥
  104. * @return 证书域名
  105. */
  106. static string getServerName(X509 *cer);
  107. };
  108. }//namespace toolkit
  109. #endif //ZLTOOLKIT_SSLUTIL_H