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我正在编写一个与服务器通信的应用程序,该服务器要求客户端使用客户端证书对自己进行身份验证。我需要从应用程序包中的 .p12 文件中提取证书并将其添加到应用程序钥匙串中。

我一直在试图弄清楚如何从 Apple 的“iOS 证书、密钥和信任服务任务”中运行它,但对我来说,它似乎不完整,并且没有指定我如何向钥匙串添加任何东西(?)。

我很迷茫,任何帮助都会得到帮助,在此先感谢!

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1 回答 1

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iOS 的证书、密钥和信任服务任务”确实包含从 .p12 文件中提取证书的足够信息。

  • 清单 2-1 演示了如何提取SecIdentityRef

  • 清单 2-2 第二行 (// 1) 显示了如何从 SecIdentityRef 中复制 SecCertificateRef

示例加载 p12 文件,提取证书,安装到钥匙串。(不包括错误处理和内存管理)

  NSString * password = @"Your-P12-File-Password";
  NSString * path = [[NSBundle mainBundle]
                     pathForResource:@"Your-P12-File" ofType:@"p12"];

  // prepare password
  CFStringRef cfPassword = CFStringCreateWithCString(NULL,
                                                     password.UTF8String,
                                                     kCFStringEncodingUTF8);
  const void *keys[]   = { kSecImportExportPassphrase };
  const void *values[] = { cfPassword };
  CFDictionaryRef optionsDictionary
  = CFDictionaryCreate(kCFAllocatorDefault, keys, values, 1,
                                                  NULL, NULL);

  // prepare p12 file content
  NSData * fileContent = [[NSData alloc] initWithContentsOfFile:path];
  CFDataRef cfDataOfFileContent = (__bridge CFDataRef)fileContent;

  // extract p12 file content into items (array)
  CFArrayRef items = CFArrayCreate(NULL, 0, 0, NULL);
  OSStatus status = errSecSuccess;
  status = SecPKCS12Import(cfDataOfFileContent,
                           optionsDictionary,
                           &items);
  // TODO: error handling on status

  // extract identity
  CFDictionaryRef yourIdentityAndTrust = CFArrayGetValueAtIndex(items, 0);
  const void *tempIdentity = NULL;
  tempIdentity = CFDictionaryGetValue(yourIdentityAndTrust,
                                      kSecImportItemIdentity);

  SecIdentityRef yourIdentity = (SecIdentityRef)tempIdentity;


  // get certificate from identity
  SecCertificateRef yourCertificate = NULL;
  status = SecIdentityCopyCertificate(yourIdentity, &yourCertificate);


  // at last, install certificate into keychain
  const void *keys2[]   = {    kSecValueRef,             kSecClass };
  const void *values2[] = { yourCertificate,  kSecClassCertificate };
  CFDictionaryRef dict
  = CFDictionaryCreate(kCFAllocatorDefault, keys2, values2,
                                            2, NULL, NULL);
  status = SecItemAdd(dict, NULL);

  // TODO: error handling on status
于 2012-10-20T05:39:34.290 回答