Updated pod spec and warning messages

Updated pod spec and warning messages during pod validation.

Author: Kanishk Panwar

ADALiOS.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name         = "ADALiOS"
-  s.version      = "1.1.5"
+  s.version      = "1.1.7"
   s.summary      = "The ADAL SDK for iOS gives you the ability to add Azure Identity authentication to your application"
 
   s.description  = <<-DESC
@@ -13,12 +13,11 @@ Pod::Spec.new do |s|
   }
   s.authors      = { "Brandon Werner" => "brandwe@microsoft.com" }
   s.social_media_url   = "https://twitter.com/azuread"
-  s.platform     = :ios, "6.0"
+  s.platform     = :ios, "7.0"
   s.source       = { 
     :git => "https://github.com/AzureAD/azure-activedirectory-library-for-objc.git", 
     :tag => s.version.to_s
   }
-  s.dependency 'OpenSSL', '1.0.1'
   s.source_files = "ADALiOS/ADALiOS/**/*.{h,m}"
   s.resources    = "ADALiOS/ADALiOS/*.storyboard"
   s.preserve_paths = "ADALiOS/ADALiOS/**/*.{h,m}"

ADALiOS/ADALiOS/ADPkeyAuthHelper.m

@@ -31,7 +31,7 @@ + (NSString*) computeThumbprint:(NSData*) certificateData{
 
     //compute SHA-1 thumbprint
     unsigned char sha1Buffer[CC_SHA1_DIGEST_LENGTH];
-    CC_SHA1(certificateData.bytes, certificateData.length, sha1Buffer);
+    CC_SHA1(certificateData.bytes, (CC_LONG)certificateData.length, sha1Buffer);
     NSMutableString *fingerprint = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 3];
     for (int i = 0; i < CC_SHA1_DIGEST_LENGTH; ++i)
     {
@@ -79,11 +79,15 @@ + (NSString*) createDeviceAuthResponse:(NSString*) authorizationServer
 + (NSString*) getOrgUnitFromIssuer:(NSString*) issuer{
     NSString *regexString = @"[a-fA-F0-9]{8}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{4}-[a-fA-F0-9]{12}";
     NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:regexString options:0 error:NULL];
-    NSTextCheckingResult* matches = (NSTextCheckingResult*)[regex matchesInString:issuer options:0 range:NSMakeRange(0, [issuer length])];
-    for (NSTextCheckingResult* match in matches)
-    {
-        return [NSString stringWithFormat:@"OU=%@", [issuer substringWithRange:match.range]];
+    
+    for (NSTextCheckingResult* myMatch in [regex matchesInString:issuer options:0 range:NSMakeRange(0, [issuer length])]){
+        for (NSUInteger i = 0; i < myMatch.numberOfRanges; ++i)
+        {
+            NSRange matchedRange = [myMatch rangeAtIndex: i];
+            return [NSString stringWithFormat:@"OU=%@", [issuer substringWithRange: matchedRange]];
+        }
     }
+    
     return nil;
 }
 
@@ -93,14 +97,18 @@ + (BOOL) isValidIssuer:(NSString*) certAuths
     keychainCertIssuer = [keychainCertIssuer uppercaseString];
     certAuths = [certAuths uppercaseString];
     NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:regexString options:0 error:NULL];
-    NSTextCheckingResult* matches = (NSTextCheckingResult*)[regex matchesInString:certAuths options:0 range:NSMakeRange(0, [certAuths length])];
-    for (NSTextCheckingResult *match in matches)
-    {
-        NSString *text = [certAuths substringWithRange:match.range];
-        if([NSString adSame:text toString:keychainCertIssuer]){
-            return true;
+
+    for (NSTextCheckingResult* myMatch in [regex matchesInString:certAuths options:0 range:NSMakeRange(0, [certAuths length])]){
+        for (NSUInteger i = 0; i < myMatch.numberOfRanges; ++i)
+        {
+            NSRange matchedRange = [myMatch rangeAtIndex: i];
+            NSString *text = [certAuths substringWithRange:matchedRange];
+            if([NSString adSame:text toString:keychainCertIssuer]){
+                return true;
+            }
         }
     }
+    
     return false;
 }