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BBRSACryptor+XHAdd\n\n## 1.RSA算法2个作用:\n* 1.加密:客户端使用公钥加密数据,服务器端使用私钥解密数据(主要实现数据加密)。\n* 2.加签:客户端用私钥加签,服务器端用公钥验签(主要为了防止别人模拟我们的客户端来攻击我们的服务器,导致瘫痪)。\n\n## 2.RSA客户端与服务器交互流程\n### 1.公钥私钥生成,保存\n* 1.客户端生成一对公钥私钥,假如叫公钥K、私钥K,\u003cbr\u003e\n    服务器生成一对公钥私钥,假如叫公钥F、私钥F.\n* 2.客服端把公钥K 发给服务器,服务器保存公钥K,\u003cbr\u003e\n    服务器把公钥F 发给客服端,客服端保存公钥F.\u003cbr\u003e\n    (公钥都发给对方,自己保留私钥)\n\n### 2.加密交互流程\n* 1.客服端用公钥F加密数据,服务器接收后,用私钥F解密.\u003cbr\u003e\n    服务器用公钥K加密数据,客服端接收后,用私钥k解密.\n\n### 3.签名交互流程\n* 1.客服端用私钥k签名,服务器用公钥k验证签名\n  \n## 3.导入步骤\n* 1.将RSALibary文件夹加入工程\n* 2.在TARGETAS-Build Settings中配置Header Search Pathes 添加文件搜索相对路径 ./RSALibary/OpenSSL/include\n* 3.导入BBRSACryptor+XHAdd.h，使用[BBRSACryptor createPublicKeyAndPrivateKey]生成公钥,私钥\n* 4.运行后，在控制台会打印出证书路径，进入路径后，可以看到公钥证书(bb.publicKey.pem)和私钥证书(bb.privateKey.pem),将两证书拷贝到桌面.pem后缀改为.txt并打开,将—–BEGIN PUBLIC KEY—–和—–END PUBLIC KEY—–之间的部分复制，新建一个宏，来保存这个公钥(宏定义时,公钥中若有换行,记得删除),客户端仅保存公钥即可，私钥放在服务器上。\n\n## 4.使用方法:\n\n```objc\n/**\n*  生成公钥,私钥 (生成成功后控制台会打印出 公钥,私钥 存储路径)\n*/\n+(void)createPublicKeyAndPrivateKey;\n\n/**\n*  公钥加密\n*\n*  @param string    普通字符串\n*  @param publicKey 公钥\n*\n*  @return 加密后字符串\n*/\n+(NSString *)encryptString:(NSString *)string publicKey:(NSString *)publicKey;\n\n/**\n*  公钥解密\n*\n*  @param string    私钥加密字符串\n*  @param publicKey 公钥\n*\n*  @return 解密后字符串\n*/\n+(NSString *)decodingString:(NSString *)string publicKey:(NSString *)publicKey;\n\n/**\n*  私钥加密\n*\n*  @param string     普通字符串\n*  @param privateKey 私钥\n*\n*  @return 加密后字符串\n*/\n+(NSString *)encryptString:(NSString *)string privateKey:(NSString *)privateKey;\n\n/**\n*  私钥解密\n*\n*  @param string     公钥加密字符串\n*  @param privateKey 私钥\n*\n*  @return 解密后字符串\n*/\n+(NSString *)decodingString:(NSString *)string privateKey:(NSString *)privateKey;\n\n/**\n*  私钥签名\n*\n*  @param string     普通字符串\n*  @param privateKey 私钥\n*\n*  @return 签名后字符串\n*/\n+(NSString *)singString:(NSString *)string privateKey:(NSString *)privateKey;\n\n/**\n*  私钥签名MD5\n*\n*  @param string     普通字符串\n*  @param privateKey 私钥\n*\n*  @return 签名后字符串\n*/\n+(NSString *)singMD5String:(NSString *)string privateKey:(NSString *)privateKey;\n\n/**\n*  RSA sha1 验证签名\n*\n*  @param string     普通字符串\n*  @param signString 签名字符串(base64)\n*  @param publicKey  公钥\n*\n*  @return 验证结果\n*/\n+(BOOL)verifyString:(NSString *)string sign:(NSString *)signString publicKey:(NSString *)publicKey;\n\n/**\n*  RSA MD5 验证签名\n*\n*  @param string     普通字符串\n*  @param signString 签名字符串\n*  @param publicKey  公钥\n*\n*  @return 验证结果\n*/\n+(BOOL)verifyMD5String:(NSString *)string sign:(NSString *)signString publicKey:(NSString *)publicKey;\n\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcoderzhuxh%2Fbbrsacryptor-xhadd","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcoderzhuxh%2Fbbrsacryptor-xhadd","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcoderzhuxh%2Fbbrsacryptor-xhadd/lists"}