Overview

签名创建器。通过一个密钥将创建一个网络请求的签名。

示例

@code

 QCloudCredential* credential = [QCloudCredential new];
 credential.secretID  = @"secretID";
 credential.secretKey = @"secretKey";
 QCloudAuthentationV5Creator* creator = [[QCloudAuthentationV5Creator alloc] initWithCredential:credential];
 QCloudSignature* signature =  [creator signatureForData:urlRequst];