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MYCrypto_Private.h
author snej@snej.local
Sun Apr 12 22:16:14 2009 -0700 (2009-04-12)
changeset 9 aa5eb3fd6ebf
parent 4 f4709533c816
child 12 e4c971be4079
permissions -rw-r--r--
Doc touch-up 
     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 "MYCryptoConfig.h"

    10 #import "MYKeychain.h"

    11 #import "MYKey.h"

    12 #import "MYSymmetricKey.h"

    13 #import "MYPublicKey.h"

    14 #import "MYPrivateKey.h"

    15 #import "MYCertificate.h"

    16 #import "Test.h"

    17 #import <Security/Security.h>

    18 

    19 

    20 #if MYCRYPTO_USE_IPHONE_API

    21 typedef CFTypeRef SecKeychainAttrType;

    22 typedef CFTypeRef SecKeychainItemRef;

    23 typedef CFTypeRef SecKeychainRef;

    24 typedef CFTypeRef SecExternalItemType;

    25 #endif

    26 

    27 

    28 #if TARGET_OS_IPHONE && !MYCRYPTO_USE_IPHONE_API

    29 @interface MYKeychain (Private)

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

    31 @property (readonly) SecKeychainRef keychainRef, keychainRefOrDefault;

    32 @property (readonly) CSSM_CSP_HANDLE CSPHandle;

    33 @property (readonly) NSString* path;

    34 @end

    35 #endif

    36 

    37 

    38 @interface MYKeychainItem (Private);

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

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

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

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

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

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

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

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

    47            stringValue: (NSString*)stringValue;

    48 @end      

    49 

    50 

    51 @interface MYKey (Private)

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

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

    54             forKeychain: (SecKeychainRef)keychain;

    55 @property (readonly) SecExternalItemType keyType;

    56 @property (readonly) MYSHA1Digest* _keyDigest;

    57 - (NSData*) _crypt: (NSData *)data operation: (BOOL) op;    // YES to encrypt, NO to decrypt

    58 #if !MYCRYPTO_USE_IPHONE_API

    59 @property (readonly) const CSSM_KEY* cssmKey;

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

    61 - (CSSM_CC_HANDLE) _createSignatureContext: (CSSM_ALGORITHMS)algorithm;

    62 - (CSSM_CC_HANDLE) _createPassThroughContext;

    63 #endif

    64 @property (readonly) NSArray* _itemList;

    65 @end

    66 

    67 

    68 @interface MYSymmetricKey (Private)

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

    70                                       algorithm: (CCAlgorithm)algorithm

    71                                      inKeychain: (MYKeychain*)keychain;

    72 @end

    73 

    74 

    75 @interface MYPublicKey (Private)

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

    77 #if !TARGET_OS_IPHONE

    78 - (CSSM_WRAP_KEY*) _unwrappedCSSMKey;

    79 #endif

    80 @end

    81 

    82 

    83 @interface MYPrivateKey (Private)

    84 + (MYPrivateKey*) _generateRSAKeyPairOfSize: (unsigned)keySize

    85                                  inKeychain: (MYKeychain*)keychain;

    86 - (id) _initWithKeyRef: (SecKeyRef)privateKey

    87              publicKey: (MYPublicKey*)publicKey;

    88 - (id) _initWithKeyData: (NSData*)privKeyData 

    89           publicKeyData: (NSData*)pubKeyData

    90             forKeychain: (SecKeychainRef)keychain 

    91              alertTitle: (NSString*)title

    92             alertPrompt: (NSString*)prompt;

    93 - (id) _initWithKeyData: (NSData*)privKeyData 

    94           publicKeyData: (NSData*)pubKeyData

    95             forKeychain: (SecKeychainRef)keychain 

    96              passphrase: (NSString*)passphrase;

    97 #if !TARGET_OS_IPHONE

    98 - (NSData*) _exportKeyInFormat: (SecExternalFormat)format

    99                        withPEM: (BOOL)withPEM

   100                     passphrase: (NSString*)passphrase;

   101 #endif

   102 @end

   103 

   104 

   105 #if TARGET_OS_IPHONE && !MYCRYPTO_USE_IPHONE_API

   106 @interface MYCertificate (Private)

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

   108                           type: (CSSM_CERT_TYPE) type

   109                       encoding: (CSSM_CERT_ENCODING) encoding;

   110 @end

   111 #endif

   112 

   113 

   114 #undef check

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

   116 

   117 #define checksave(CALL) ({OSStatus err=(CALL); check(err,@""#CALL) || (_error=err, NO);})

   118 

   119 #if !MYCRYPTO_USE_IPHONE_API

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

   121 

   122 SecKeyRef importKey(NSData *data, 

   123                     SecExternalItemType type,

   124                     SecKeychainRef keychain,

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

   126 

   127 NSString* OIDAsString(CSSM_OID OID);

   128 

   129 #endif
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