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MYCrypto_Private.h
author snej@snej.local
Sat Apr 04 22:56:13 2009 -0700 (2009-04-04)
changeset 1 60e4cbbb5128
parent 0 0a6527af039b
child 2 8982b8fada63
permissions -rw-r--r--
Code cleanup, more header comments. 
     1 //

     2 //  MYCrypto_Private.h

     3 //  MYCrypto

     4 //

     5 //  Created by Jens Alfke on 3/23/09.

     6 //  Copyright 2009 Jens Alfke. All rights reserved.

     7 //

     8 

     9 #import "MYKeychain.h"

    10 #import "MYKey.h"

    11 #import "MYSymmetricKey.h"

    12 #import "MYKeyPair.h"

    13 #import "MYCertificate.h"

    14 #import "Test.h"

    15 #import <Security/Security.h>

    16 

    17 /*  The iPhone simulator actually has the Mac OS X security API, not the iPhone one.

    18     So don't use the iPhone API when configured to run in the simulator. */

    19 #if TARGET_OS_IPHONE && !TARGET_IPHONE_SIMULATOR

    20 #define USE_IPHONE_API 1

    21 #else

    22 #define USE_IPHONE_API 0

    23 #endif

    24 

    25 #if USE_IPHONE_API

    26 typedef CFTypeRef SecKeychainAttrType;

    27 typedef CFTypeRef SecKeychainItemRef;

    28 typedef CFTypeRef SecKeychainRef;

    29 typedef CFTypeRef SecExternalItemType;

    30 #endif

    31 

    32 

    33 #if TARGET_IPHONE_SIMULATOR

    34 @interface MYKeychain (Private)

    35 - (id) initWithKeychainRef: (SecKeychainRef)keychainRef;

    36 @property (readonly) SecKeychainRef keychainRef, keychainRefOrDefault;

    37 @property (readonly) CSSM_CSP_HANDLE CSPHandle;

    38 @property (readonly) NSString* path;

    39 @end

    40 #endif

    41 

    42 

    43 @interface MYKeychainItem (Private);

    44 - (id) initWithKeychainItemRef: (MYKeychainItemRef)itemRef;

    45 - (NSData*) _getContents: (OSStatus*)outError;

    46 - (NSString*) stringValueOfAttribute: (SecKeychainAttrType)attr;

    47 - (BOOL) setValue: (NSString*)valueStr ofAttribute: (SecKeychainAttrType)attr;

    48 + (NSData*) _getAttribute: (SecKeychainAttrType)attr ofItem: (MYKeychainItemRef)item;

    49 - (id) _attribute: (SecKeychainAttrType)attribute;

    50 + (NSString*) _getStringAttribute: (SecKeychainAttrType)attr ofItem: (MYKeychainItemRef)item;

    51 + (BOOL) _setAttribute: (SecKeychainAttrType)attr ofItem: (MYKeychainItemRef)item

    52            stringValue: (NSString*)stringValue;

    53 @end      

    54 

    55 

    56 @interface MYKey (Private)

    57 - (id) initWithKeyData: (NSData*)data;

    58 - (id) _initWithKeyData: (NSData*)data

    59             forKeychain: (SecKeychainRef)keychain;

    60 @property (readonly) SecExternalItemType keyType;

    61 #if !USE_IPHONE_API

    62 @property (readonly) const CSSM_KEY* cssmKey;

    63 - (NSData*) exportKeyInFormat: (SecExternalFormat)format withPEM: (BOOL)withPEM;

    64 #endif

    65 @property (readonly) NSArray* _itemList;

    66 @end

    67 

    68 

    69 @interface MYSymmetricKey (Private)

    70 + (MYSymmetricKey*) _generateSymmetricKeyOfSize: (unsigned)keySizeInBits

    71                                       algorithm: (CCAlgorithm)algorithm

    72                                      inKeychain: (MYKeychain*)keychain;

    73 @end

    74 

    75 

    76 @interface MYPublicKey (Private)

    77 + (MYSHA1Digest*) _digestOfKey: (SecKeyRef)key;

    78 - (BOOL) setValue: (NSString*)valueStr ofAttribute: (SecKeychainAttrType)attr;

    79 @end

    80 

    81 

    82 @interface MYKeyPair (Private)

    83 + (MYKeyPair*) _generateRSAKeyPairOfSize: (unsigned)keySize

    84                             inKeychain: (SecKeychainRef)keychain;

    85 - (id) _initWithPublicKeyData: (NSData*)pubKeyData 

    86                privateKeyData: (NSData*)privKeyData

    87                   forKeychain: (SecKeychainRef)keychain

    88                    alertTitle: (NSString*)title

    89                   alertPrompt: (NSString*)prompt;

    90 - (id) _initWithPublicKeyData: (NSData*)pubKeyData 

    91                privateKeyData: (NSData*)privKeyData

    92                   forKeychain: (SecKeychainRef)keychain 

    93                    passphrase: (NSString*)passphrase;

    94 #if !TARGET_OS_IPHONE

    95 - (NSData*) _exportPrivateKeyInFormat: (SecExternalFormat)format

    96                               withPEM: (BOOL)withPEM

    97                            passphrase: (NSString*)passphrase;

    98 #endif

    99 @end

   100 

   101 

   102 #if TARGET_IPHONE_SIMULATOR

   103 @interface MYCertificate (Private)

   104 - (id) initWithCertificateData: (NSData*)data

   105                           type: (CSSM_CERT_TYPE) type

   106                       encoding: (CSSM_CERT_ENCODING) encoding;

   107 @end

   108 #endif

   109 

   110 

   111 NSData* _crypt(SecKeyRef key, NSData *data, CCOperation op);

   112 

   113 #undef check

   114 BOOL check(OSStatus err, NSString *what);

   115 

   116 #if !USE_IPHONE_API

   117 BOOL checkcssm(CSSM_RETURN err, NSString *what);

   118 

   119 SecKeyRef importKey(NSData *data, 

   120                     SecExternalItemType type,

   121                     SecKeychainRef keychain,

   122                     SecKeyImportExportParameters *params /*non-null*/);

   123 CSSM_CC_HANDLE cssmCreateSignatureContext(SecKeyRef key);

   124 #endif
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