SecurityTool/srCdsaUtils.h

   1 /*
   2  * Copyright (c) 2001,2003-2011 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  *
  23  * srCdsaUtils.h -- common CDSA access utilities
  24  */
  25
  26 #ifndef _COMMON_CDSA_UTILS_H_
  27 #define _COMMON_CDSA_UTILS_H_
  28
  29 #include <Security/cssm.h>
  30 #include <Security/SecKeychain.h>
  31 #include <CoreFoundation/CFString.h>
  32
  33 #ifdef  __cplusplus
  34 extern "C" {
  35 #endif
  36
  37 /* common memory allocators shared by app and CSSM */
  38 extern void * srAppMalloc (CSSM_SIZE size, void *allocRef);
  39 extern void srAppFree (void *mem_ptr, void *allocRef);
  40 extern void * srAppRealloc (void *ptr, CSSM_SIZE size, void *allocRef);
  41 extern void * srAppCalloc (uint32 num, CSSM_SIZE size, void *allocRef);
  42
  43 #define APP_MALLOC(s)           srAppMalloc(s, NULL)
  44 #define APP_FREE(p)                     srAppFree(p, NULL)
  45 #define APP_REALLOC(p, s)       srAppRealloc(p, s, NULL)
  46 #define APP_CALLOC(n, s)        srAppRealloc(n, s, NULL)
  47
  48 extern CSSM_BOOL srCompareCssmData(
  49         const CSSM_DATA *d1,
  50         const CSSM_DATA *d2);
  51
  52 /* OID flavor of same, which will break when an OID is not a CSSM_DATA */
  53 #define srCompareOid(o1, o2)    srCompareCssmData(o1, o2)
  54
  55 void srPrintError(const char *op, CSSM_RETURN err);
  56
  57 /* Init CSSM; returns CSSM_FALSE on error. Reusable. */
  58 extern CSSM_BOOL srCssmStartup(void);
  59
  60 /* Attach to CSP. Returns zero on error. */
  61 extern CSSM_CSP_HANDLE srCspStartup(
  62         CSSM_BOOL bareCsp);                                     // true ==> CSP, false ==> CSP/DL
  63
  64 /* Attach to DL side of CSPDL. */
  65 extern CSSM_DL_HANDLE srDlStartup(void);
  66
  67 /* Attach to CL, TP */
  68 extern CSSM_CL_HANDLE srClStartup(void);
  69 extern CSSM_TP_HANDLE srTpStartup(void);
  70
  71 /*
  72  * Derive symmetric key using PBE.
  73  */
  74 extern CSSM_RETURN srCspDeriveKey(CSSM_CSP_HANDLE cspHand,
  75                 uint32                          keyAlg,                 // CSSM_ALGID_RC5, etc.
  76                 const char                      *keyLabel,
  77                 unsigned                        keyLabelLen,
  78                 uint32                          keyUsage,               // CSSM_KEYUSE_ENCRYPT, etc.
  79                 uint32                          keySizeInBits,
  80                 CSSM_DATA_PTR           password,               // in PKCS-5 lingo
  81                 CSSM_DATA_PTR           salt,                   // ditto
  82                 uint32                          iterationCnt,   // ditto
  83                 CSSM_KEY_PTR            key);
  84
  85 /*
  86  * Generate key pair of arbitrary algorithm.
  87  */
  88 extern CSSM_RETURN srCspGenKeyPair(CSSM_CSP_HANDLE cspHand,
  89         CSSM_DL_DB_HANDLE *dlDbHand,    // optional
  90         uint32 algorithm,
  91         const char *keyLabel,
  92         unsigned keyLabelLen,
  93         uint32 keySize,                                 // in bits
  94         CSSM_KEY_PTR pubKey,                    // mallocd by caller
  95         CSSM_KEYUSE pubKeyUsage,                // CSSM_KEYUSE_ENCRYPT, etc.
  96         CSSM_KEYATTR_FLAGS pubAttrs,    // CSSM_KEYATTR_EXTRACTABLE, etc.
  97         CSSM_KEY_PTR privKey,                   // mallocd by caller
  98         CSSM_KEYUSE privKeyUsage,               // CSSM_KEYUSE_DECRYPT, etc.
  99         CSSM_KEYATTR_FLAGS privAttrs);  // CSSM_KEYATTR_EXTRACTABLE, etc.
 100
 101 /* Convert a reference key to a raw key. */
 102 CSSM_RETURN srRefKeyToRaw(CSSM_CSP_HANDLE cspHand,
 103         const CSSM_KEY                  *refKey,
 104         CSSM_KEY_PTR                    rawKey);                // RETURNED
 105
 106 /*
 107  * Add a certificate to a keychain.
 108  */
 109 CSSM_RETURN srAddCertToKC(
 110         SecKeychainRef          keychain,
 111         const CSSM_DATA         *cert,
 112         CSSM_CERT_TYPE          certType,
 113         CSSM_CERT_ENCODING      certEncoding,
 114         const char                      *printName,             // C string
 115         const CSSM_DATA         *keyLabel);             // ??
 116
 117 /*
 118  * Convert a CSSM_DATA_PTR, referring to a DER-encoded int, to an
 119  * unsigned.
 120  */
 121 unsigned srDER_ToInt(
 122         const CSSM_DATA         *DER_Data);
 123
 124 char *srCfStrToCString(
 125         CFStringRef cfStr);
 126
 127 #ifdef  __cplusplus
 128 }
 129 #endif
 130
 131 #endif  /* _COMMON_CDSA_UTILS_H_ */