diff -r 000000000000 -r 0a6527af039b MYCertificate-iPhone.m
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MYCertificate-iPhone.m	Sat Apr 04 20:42:03 2009 -0700
@@ -0,0 +1,77 @@
+//
+//  MYCertificate-iPhone.m
+//  MYCrypto-iPhone
+//
+//  Created by Jens Alfke on 3/30/09.
+//  Copyright 2009 Jens Alfke. All rights reserved.
+//
+
+#import "MYCertificate.h"
+#import "MYCrypto_Private.h"
+
+#if USE_IPHONE_API
+
+
+@implementation MYCertificate
+
+
+/** Creates a MYCertificate object for an existing Keychain certificate reference. */
+- (id) initWithCertificateRef: (SecCertificateRef)certificateRef {
+    self = [super initWithKeychainItemRef: (SecKeychainItemRef)certificateRef];
+    if (self) {
+        _certificateRef = certificateRef;     // superclass has already CFRetained it
+    }
+    return self;
+}
+
+/** Creates a MYCertificate object from exported key data, but does not add it to any keychain. */
+- (id) initWithCertificateData: (NSData*)data
+{
+    SecCertificateRef certificateRef = SecCertificateCreateWithData(NULL, (CFDataRef)data);
+    self = [self initWithCertificateRef: certificateRef];
+    CFRelease(certificateRef);
+    return self;
+}
+
+
+@synthesize certificateRef=_certificateRef;
+
+- (NSData*) certificateData {
+    CFDataRef data = SecCertificateCopyData(_certificateRef);
+    return data ?[(id)CFMakeCollectable(data) autorelease] :nil;
+}
+
+- (MYPublicKey*) publicKey {
+    SecTrustRef trust = NULL;
+    SecPolicyRef policy = SecPolicyCreateBasicX509();
+    OSStatus err = SecTrustCreateWithCertificates((CFArrayRef)$array((id)_certificateRef),
+                                                  policy,
+                                                  &trust);
+    CFRelease(policy);
+    if (!check(err,@"SecTrustCreateWithCertificates"))
+        return nil;
+    
+    MYPublicKey *key = nil;
+    SecKeyRef keyRef = SecTrustCopyPublicKey(trust);
+    if (keyRef) {
+        key = [[[MYPublicKey alloc] initWithKeyRef: keyRef] autorelease];
+        CFRelease(keyRef);
+    }
+    CFRelease(trust);
+    return key;
+}
+
+
+- (NSString*) commonName {
+    CFStringRef name = SecCertificateCopySubjectSummary(_certificateRef);
+    return name ?[(id)CFMakeCollectable(name) autorelease] :nil;
+}
+
+- (NSArray*) emailAddresses {
+    return nil; //FIX UNIMPLEMENTED
+}
+
+
+@end
+
+#endif USE_IPHONE_API