libsecurity_ocspd/common/ocspdUtils.h

   1 /*
   2  * Copyright (c) 2002,2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 /*
  24  * ocspUtils.h - common utilities for OCSPD
  25  */
  26 #ifndef _OCSPD_UTILS_H_
  27 #define _OCSPD_UTILS_H_
  28
  29 #ifdef  __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #include <CommonCrypto/CommonDigest.h>
  34 #include <Security/cssmtype.h>
  35 #include <CoreFoundation/CoreFoundation.h>
  36
  37 /*
  38  * Compare two CSSM_DATAs, return CSSM_TRUE if identical.
  39  */
  40 CSSM_BOOL ocspdCompareCssmData(
  41         const CSSM_DATA *data1,
  42         const CSSM_DATA *data2);
  43
  44 /*
  45  * Parse a GeneralizedTime string into a CFAbsoluteTime. Returns NULL_TIME on
  46  * parse error. Fractional parts of a second are discarded.
  47  */
  48 #define NULL_TIME       0.0
  49
  50 CFAbsoluteTime genTimeToCFAbsTime(
  51         const CSSM_DATA *strData);
  52
  53 /*
  54  * Convert CFAbsoluteTime to generalized time string, GMT format (4 digit year,
  55  * trailing 'Z'). Caller allocated the output which is GENERAL_TIME_STRLEN bytes plus
  56  * a NULL.
  57  */
  58 #define GENERAL_TIME_STRLEN     15              /* NOT including trailing NULL */
  59
  60 void cfAbsTimeToGgenTime(
  61         CFAbsoluteTime          absTime,
  62         char                            *genTime);
  63
  64 #define OCSPD_MAX_DIGEST_LEN            CC_SHA256_DIGEST_LENGTH
  65
  66 void ocspdSha1(
  67         const void              *data,
  68         CC_LONG                 len,
  69         unsigned char   *md);                   // allocd by caller, CC_SHA1_DIGEST_LENGTH bytes
  70 void ocspdMD5(
  71         const void              *data,
  72         CC_LONG                 len,
  73         unsigned char   *md);                   // allocd by caller, CC_MD5_DIGEST_LENGTH bytes
  74 void ocspdMD4(
  75         const void              *data,
  76         CC_LONG                 len,
  77         unsigned char   *md);                   // allocd by caller, CC_MD4_DIGEST_LENGTH bytes
  78 void ocspdSHA256(
  79         const void              *data,
  80         CC_LONG                 len,
  81         unsigned char   *md);                   // allocd by caller, CC_SHA256_DIGEST_LENGTH bytes
  82
  83 /*
  84  * How many items in a NULL-terminated array of pointers?
  85  */
  86 unsigned ocspdArraySize(
  87         const void **array);
  88
  89 #define CFRELEASE(cf)   \
  90         if(cf != NULL) {        \
  91                 CFRelease(cf);  \
  92         }
  93
  94 #ifdef  __cplusplus
  95 }
  96 #endif
  97
  98 #endif  /* _OCSPD_UTILS_H_ */