Security/libsecurity_ocspd/common/ocspdUtils.h

   1 /*
   2  * Copyright (c) 2000,2002,2011,2014 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
  24 /*
  25  * ocspUtils.h - common utilities for OCSPD
  26  */
  27 #ifndef _OCSPD_UTILS_H_
  28 #define _OCSPD_UTILS_H_
  29
  30 #ifdef  __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 #include <CommonCrypto/CommonDigest.h>
  35 #include <Security/cssmtype.h>
  36 #include <CoreFoundation/CoreFoundation.h>
  37
  38 /*
  39  * Compare two CSSM_DATAs, return CSSM_TRUE if identical.
  40  */
  41 CSSM_BOOL ocspdCompareCssmData(
  42         const CSSM_DATA *data1,
  43         const CSSM_DATA *data2);
  44
  45 /*
  46  * Parse a GeneralizedTime string into a CFAbsoluteTime. Returns NULL_TIME on
  47  * parse error. Fractional parts of a second are discarded.
  48  */
  49 #define NULL_TIME       0.0
  50
  51 CFAbsoluteTime genTimeToCFAbsTime(
  52         const CSSM_DATA *strData);
  53
  54 /*
  55  * Convert CFAbsoluteTime to generalized time string, GMT format (4 digit year,
  56  * trailing 'Z'). Caller allocated the output which is GENERAL_TIME_STRLEN bytes plus
  57  * a NULL.
  58  */
  59 #define GENERAL_TIME_STRLEN     15              /* NOT including trailing NULL */
  60
  61 void cfAbsTimeToGgenTime(
  62         CFAbsoluteTime          absTime,
  63         char                            *genTime);
  64
  65 #define OCSPD_MAX_DIGEST_LEN            CC_SHA256_DIGEST_LENGTH
  66
  67 void ocspdSha1(
  68         const void              *data,
  69         CC_LONG                 len,
  70         unsigned char   *md);                   // allocd by caller, CC_SHA1_DIGEST_LENGTH bytes
  71 void ocspdMD5(
  72         const void              *data,
  73         CC_LONG                 len,
  74         unsigned char   *md);                   // allocd by caller, CC_MD5_DIGEST_LENGTH bytes
  75 void ocspdMD4(
  76         const void              *data,
  77         CC_LONG                 len,
  78         unsigned char   *md);                   // allocd by caller, CC_MD4_DIGEST_LENGTH bytes
  79 void ocspdSHA256(
  80         const void              *data,
  81         CC_LONG                 len,
  82         unsigned char   *md);                   // allocd by caller, CC_SHA256_DIGEST_LENGTH bytes
  83
  84 /*
  85  * How many items in a NULL-terminated array of pointers?
  86  */
  87 unsigned ocspdArraySize(
  88         const void **array);
  89
  90 #define CFRELEASE(cf)   \
  91         if(cf != NULL) {        \
  92                 CFRelease(cf);  \
  93         }
  94
  95 #ifdef  __cplusplus
  96 }
  97 #endif
  98
  99 #endif  /* _OCSPD_UTILS_H_ */