snej@0: //
snej@0: //  MYCertificate-iPhone.m
snej@0: //  MYCrypto-iPhone
snej@0: //
snej@0: //  Created by Jens Alfke on 3/30/09.
snej@0: //  Copyright 2009 Jens Alfke. All rights reserved.
snej@0: //
snej@0: 
snej@0: #import "MYCertificate.h"
snej@0: #import "MYCrypto_Private.h"
snej@0: 
snej@2: #if MYCRYPTO_USE_IPHONE_API
snej@0: 
snej@0: 
snej@0: @implementation MYCertificate
snej@0: 
snej@0: 
snej@8: + (MYCertificate*) certificateWithCertificateRef: (SecCertificateRef)certificateRef {
snej@8:     return [[[self alloc] initWithCertificateRef: certificateRef] autorelease];
snej@8: }
snej@8: 
snej@0: /** Creates a MYCertificate object for an existing Keychain certificate reference. */
snej@0: - (id) initWithCertificateRef: (SecCertificateRef)certificateRef {
snej@0:     self = [super initWithKeychainItemRef: (SecKeychainItemRef)certificateRef];
snej@0:     if (self) {
snej@0:         _certificateRef = certificateRef;     // superclass has already CFRetained it
snej@0:     }
snej@0:     return self;
snej@0: }
snej@0: 
snej@0: /** Creates a MYCertificate object from exported key data, but does not add it to any keychain. */
snej@0: - (id) initWithCertificateData: (NSData*)data
snej@0: {
snej@0:     SecCertificateRef certificateRef = SecCertificateCreateWithData(NULL, (CFDataRef)data);
snej@0:     self = [self initWithCertificateRef: certificateRef];
snej@0:     CFRelease(certificateRef);
snej@0:     return self;
snej@0: }
snej@0: 
snej@0: 
snej@8: - (BOOL)isEqualToCertificate:(MYCertificate*)cert {
snej@8:     return [self isEqual: cert] || [self.certificateData isEqual: cert.certificateData];
snej@8: }
snej@8: 
snej@0: @synthesize certificateRef=_certificateRef;
snej@0: 
snej@0: - (NSData*) certificateData {
snej@0:     CFDataRef data = SecCertificateCopyData(_certificateRef);
snej@0:     return data ?[(id)CFMakeCollectable(data) autorelease] :nil;
snej@0: }
snej@0: 
snej@0: - (MYPublicKey*) publicKey {
snej@0:     SecTrustRef trust = NULL;
snej@0:     SecPolicyRef policy = SecPolicyCreateBasicX509();
snej@0:     OSStatus err = SecTrustCreateWithCertificates((CFArrayRef)$array((id)_certificateRef),
snej@0:                                                   policy,
snej@0:                                                   &trust);
snej@0:     CFRelease(policy);
snej@0:     if (!check(err,@"SecTrustCreateWithCertificates"))
snej@0:         return nil;
snej@0:     
snej@0:     MYPublicKey *key = nil;
snej@0:     SecKeyRef keyRef = SecTrustCopyPublicKey(trust);
snej@0:     if (keyRef) {
snej@0:         key = [[[MYPublicKey alloc] initWithKeyRef: keyRef] autorelease];
snej@0:         CFRelease(keyRef);
snej@0:     }
snej@0:     CFRelease(trust);
snej@0:     return key;
snej@0: }
snej@0: 
snej@0: 
snej@0: - (NSString*) commonName {
snej@0:     CFStringRef name = SecCertificateCopySubjectSummary(_certificateRef);
snej@0:     return name ?[(id)CFMakeCollectable(name) autorelease] :nil;
snej@0: }
snej@0: 
snej@0: 
snej@0: @end
snej@0: 
snej@2: #endif MYCRYPTO_USE_IPHONE_API