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//
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// MYIdentity.m
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// MYCrypto
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//
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// Created by Jens Alfke on 4/9/09.
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// Copyright 2009 Jens Alfke. All rights reserved.
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//
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#import "MYIdentity.h"
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#import "MYCrypto_Private.h"
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@implementation MYIdentity
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/** Creates a MYIdentity object for an existing Keychain identity reference. */
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+ (MYIdentity*) identityWithIdentityRef: (SecIdentityRef)identityRef {
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return [[[self alloc] initWithIdentityRef: identityRef] autorelease];
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}
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- (id) initWithIdentityRef: (SecIdentityRef)identityRef {
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Assert(identityRef);
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SecCertificateRef certificateRef;
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if (!check(SecIdentityCopyCertificate(identityRef, &certificateRef), @"SecIdentityCopyCertificate")) {
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[self release];
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return nil;
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}
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self = [super initWithCertificateRef: certificateRef];
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if (self) {
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_identityRef = identityRef;
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CFRetain(identityRef);
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}
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CFRelease(certificateRef);
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return self;
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}
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#if !TARGET_OS_IPHONE
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- (id) initWithCertificateRef: (SecCertificateRef)certificateRef {
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self = [super initWithCertificateRef: certificateRef];
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if (self) {
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if (!check(SecIdentityCreateWithCertificate(NULL, certificateRef, &_identityRef),
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@"SecIdentityCreateWithCertificate")) {
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[self release];
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return nil;
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}
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}
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return self;
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}
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#endif
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- (void) dealloc
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{
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if (_identityRef) CFRelease(_identityRef);
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[super dealloc];
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}
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- (void) finalize
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{
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if (_identityRef) CFRelease(_identityRef);
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[super finalize];
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}
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@synthesize identityRef=_identityRef;
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- (MYPrivateKey*) privateKey {
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SecKeyRef keyRef = NULL;
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if (!check(SecIdentityCopyPrivateKey(_identityRef, &keyRef), @"SecIdentityCopyPrivateKey"))
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return NULL;
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MYPrivateKey *privateKey = [[MYPrivateKey alloc] _initWithKeyRef: keyRef
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publicKey: self.publicKey];
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CFRelease(keyRef);
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return [privateKey autorelease];
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}
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#if !TARGET_OS_IPHONE
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+ (MYIdentity*) preferredIdentityForName: (NSString*)name
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{
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Assert(name);
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SecIdentityRef identityRef;
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OSStatus err = SecIdentityCopyPreference((CFStringRef)name, 0, NULL, &identityRef);
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if (err==errKCItemNotFound || !check(err,@"SecIdentityCopyPreference") || !identityRef)
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return nil;
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return [self identityWithIdentityRef: identityRef];
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}
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- (BOOL) makePreferredIdentityForName: (NSString*)name {
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Assert(name);
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return check(SecIdentitySetPreference(_identityRef, (CFStringRef)name, 0),
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@"SecIdentitySetPreference");
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}
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#endif !TARGET_OS_IPHONE
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@end
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