certificates/ota_cert_tool/ios_ota_cert_tool/PSCertKey.m

   1 //
   2 //  PSCertKey.m
   3 //  ios_ota_cert_tool
   4 //
   5 //  Created by James Murphy on 12/12/12.
   6 //  Copyright (c) 2012 James Murphy. All rights reserved.
   7 //
   8
   9 #import "PSCertKey.h"
  10 #import <Security/Security.h>
  11 #import "PSUtilities.h"
  12
  13 @implementation PSCertKey
  14
  15 @synthesize key_hash = _key_hash;
  16
  17
  18 - (id)initWithCertFilePath:(NSString *)filePath
  19 {
  20     if ((self = [super init]))
  21     {
  22         _key_hash = nil;
  23
  24         CFDataRef temp_cf_data = [PSUtilities readFile:filePath];
  25         if (NULL == temp_cf_data)
  26         {
  27             NSLog(@"PSCertKey: Unable to read data for file %@", filePath);
  28             return nil;
  29         }
  30
  31         SecCertificateRef aCert = [PSUtilities getCertificateFromData:temp_cf_data];
  32         CFRelease(temp_cf_data);
  33         if (NULL != aCert)
  34         {
  35             CFDataRef temp_key_data = [PSUtilities getKeyDataFromCertificate:aCert];
  36             if (NULL != temp_key_data)
  37             {
  38                 _key_hash = [PSUtilities digestAndEncode:temp_key_data useSHA1:YES];
  39                 CFRelease(temp_key_data);
  40             }
  41             CFRelease(aCert);
  42         }
  43     }
  44     return self;
  45 }
  46
  47 @end