//

 //  MYIdentity.m

 //  MYCrypto

 //

 //  Created by Jens Alfke on 4/9/09.

 //  Copyright 2009 Jens Alfke. All rights reserved.

 //

 #import "MYIdentity.h"

 #import "MYCrypto_Private.h"

 @implementation MYIdentity

 /** Creates a MYIdentity object for an existing Keychain identity reference. */

 + (MYIdentity*) identityWithIdentityRef: (SecIdentityRef)identityRef {

     return [[[self alloc] initWithIdentityRef: identityRef] autorelease];

 }

 - (id) initWithIdentityRef: (SecIdentityRef)identityRef {

     Assert(identityRef);

     SecCertificateRef certificateRef;

     if (!check(SecIdentityCopyCertificate(identityRef, &certificateRef), @"SecIdentityCopyCertificate")) {

         [self release];

         return nil;

     }

     self = [super initWithCertificateRef: certificateRef];

     if (self) {

         _identityRef = identityRef;

         CFRetain(identityRef);

     }

     CFRelease(certificateRef);

     return self;

 }

 #if !TARGET_OS_IPHONE

 - (id) initWithCertificateRef: (SecCertificateRef)certificateRef {

     self = [super initWithCertificateRef: certificateRef];

     if (self) {

         if (!check(SecIdentityCreateWithCertificate(NULL, certificateRef, &_identityRef),

                    @"SecIdentityCreateWithCertificate")) {

             [self release];

             return nil;

         }

     }

     return self;

 }

 #endif

 - (void) dealloc

 {

     if (_identityRef) CFRelease(_identityRef);

     [super dealloc];

 }

 - (void) finalize

 {

     if (_identityRef) CFRelease(_identityRef);

     [super finalize];

 }

 @synthesize identityRef=_identityRef;

 - (MYPrivateKey*) privateKey {

     SecKeyRef keyRef = NULL;

     if (!check(SecIdentityCopyPrivateKey(_identityRef, &keyRef), @"SecIdentityCopyPrivateKey"))

         return NULL;

     MYPrivateKey *privateKey = [[MYPrivateKey alloc] _initWithKeyRef: keyRef

                                                           publicKey: self.publicKey];

     CFRelease(keyRef);

     return [privateKey autorelease];

 }

 #if !TARGET_OS_IPHONE

 + (MYIdentity*) preferredIdentityForName: (NSString*)name

 {

     Assert(name);

     SecIdentityRef identityRef;

     OSStatus err = SecIdentityCopyPreference((CFStringRef)name, 0, NULL, &identityRef);

     if (err==errKCItemNotFound || !check(err,@"SecIdentityCopyPreference") || !identityRef)

         return nil;

     return [self identityWithIdentityRef: identityRef];

 }

 - (BOOL) makePreferredIdentityForName: (NSString*)name {

     Assert(name);

     return check(SecIdentitySetPreference(_identityRef, (CFStringRef)name, 0),

                  @"SecIdentitySetPreference");

 }

 #endif !TARGET_OS_IPHONE

 @end