Keychain/SecKey.cpp

   1 /*
   2  * Copyright (c) 2002 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18 #include <Security/SecKey.h>
  19
  20 #include "SecBridge.h"
  21
  22 #include <Security/Access.h>
  23 #include <Security/Keychains.h>
  24 #include <Security/KeyItem.h>
  25
  26 CFTypeID
  27 SecKeyGetTypeID(void)
  28 {
  29         BEGIN_SECAPI
  30
  31         return gTypes().keyItem.typeId;
  32
  33         END_SECAPI1(_kCFRuntimeNotATypeID)
  34 }
  35
  36 OSStatus
  37 SecKeyCreatePair(
  38         SecKeychainRef keychainRef,
  39         CSSM_ALGORITHMS algorithm,
  40         uint32 keySizeInBits,
  41         CSSM_CC_HANDLE contextHandle,
  42         CSSM_KEYUSE publicKeyUsage,
  43         uint32 publicKeyAttr,
  44         CSSM_KEYUSE privateKeyUsage,
  45         uint32 privateKeyAttr,
  46         SecAccessRef initialAccess,
  47         SecKeyRef* publicKeyRef,
  48         SecKeyRef* privateKeyRef)
  49 {
  50         BEGIN_SECAPI
  51
  52         Keychain keychain = Keychain::optional(keychainRef);
  53         RefPointer<Access> theAccess(initialAccess ? gTypes().access.required(initialAccess) : new Access("<key>"));
  54         RefPointer<KeyItem> pubItem, privItem;
  55
  56         KeyItem::createPair(keychain,
  57         algorithm,
  58         keySizeInBits,
  59         contextHandle,
  60         publicKeyUsage,
  61         publicKeyAttr,
  62         privateKeyUsage,
  63         privateKeyAttr,
  64         theAccess,
  65         pubItem,
  66         privItem);
  67
  68         // Return the generated keys.
  69         if (publicKeyRef)
  70                 *publicKeyRef = gTypes().keyItem.handle(*pubItem);
  71         if (privateKeyRef)
  72                 *privateKeyRef = gTypes().keyItem.handle(*privItem);
  73
  74         END_SECAPI
  75 }
  76
  77 OSStatus
  78 SecKeyGetCSSMKey(SecKeyRef key, const CSSM_KEY **cssmKey)
  79 {
  80         BEGIN_SECAPI
  81
  82         Required(cssmKey) = &gTypes().keyItem.required(key)->cssmKey();
  83
  84         END_SECAPI
  85 }
  86
  87
  88 //
  89 // Private APIs
  90 //
  91
  92 OSStatus
  93 SecKeyGetCredentials(
  94         SecKeyRef keyRef,
  95         CSSM_ACL_AUTHORIZATION_TAG operation,
  96         SecCredentialType credentialType,
  97         const CSSM_ACCESS_CREDENTIALS **outCredentials)
  98 {
  99         BEGIN_SECAPI
 100
 101         RefPointer<KeyItem> keyItem(gTypes().keyItem.required(keyRef));
 102         Required(outCredentials) = keyItem->getCredentials(operation, credentialType);
 103
 104         END_SECAPI
 105 }
 106
 107 OSStatus
 108 SecKeyImportPair(
 109         SecKeychainRef keychainRef,
 110         const CSSM_KEY *publicCssmKey,
 111         const CSSM_KEY *privateCssmKey,
 112         SecAccessRef initialAccess,
 113         SecKeyRef* publicKey,
 114         SecKeyRef* privateKey)
 115 {
 116         BEGIN_SECAPI
 117
 118         Keychain keychain = Keychain::optional(keychainRef);
 119         RefPointer<Access> theAccess(initialAccess ? gTypes().access.required(initialAccess) : new Access("<key>"));
 120         RefPointer<KeyItem> pubItem, privItem;
 121
 122         KeyItem::importPair(keychain,
 123                 Required(publicCssmKey),
 124                 Required(privateCssmKey),
 125         theAccess,
 126         pubItem,
 127         privItem);
 128
 129         // Return the generated keys.
 130         if (publicKey)
 131                 *publicKey = gTypes().keyItem.handle(*pubItem);
 132         if (privateKey)
 133                 *privateKey = gTypes().keyItem.handle(*privItem);
 134
 135         END_SECAPI
 136 }