Security-55163.44.tar.gz

[apple/security.git] / libsecurity_ocspd / common / ocspdUtils.h

diff --git a/libsecurity_ocspd/common/ocspdUtils.h b/libsecurity_ocspd/common/ocspdUtils.h
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+/*
+ * Copyright (c) 2002,2000 Apple Computer, Inc. All rights reserved.
+ *
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
+ * 
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+/* 
+ * ocspUtils.h - common utilities for OCSPD
+ */
+#ifndef        _OCSPD_UTILS_H_
+#define _OCSPD_UTILS_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <CommonCrypto/CommonDigest.h>
+#include <Security/cssmtype.h>
+#include <CoreFoundation/CoreFoundation.h>
+
+/*
+ * Compare two CSSM_DATAs, return CSSM_TRUE if identical.
+ */
+CSSM_BOOL ocspdCompareCssmData(
+       const CSSM_DATA *data1,
+       const CSSM_DATA *data2);
+
+/*
+ * Parse a GeneralizedTime string into a CFAbsoluteTime. Returns NULL_TIME on 
+ * parse error. Fractional parts of a second are discarded. 
+ */
+#define NULL_TIME      0.0     
+
+CFAbsoluteTime genTimeToCFAbsTime(
+       const CSSM_DATA *strData);
+
+/* 
+ * Convert CFAbsoluteTime to generalized time string, GMT format (4 digit year,
+ * trailing 'Z'). Caller allocated the output which is GENERAL_TIME_STRLEN bytes plus
+ * a NULL.
+ */
+#define GENERAL_TIME_STRLEN    15              /* NOT including trailing NULL */
+
+void cfAbsTimeToGgenTime(
+       CFAbsoluteTime          absTime,
+       char                            *genTime);
+
+#define OCSPD_MAX_DIGEST_LEN           CC_SHA256_DIGEST_LENGTH
+
+void ocspdSha1(
+       const void              *data,
+       CC_LONG                 len,
+       unsigned char   *md);                   // allocd by caller, CC_SHA1_DIGEST_LENGTH bytes
+void ocspdMD5(
+       const void              *data,
+       CC_LONG                 len,
+       unsigned char   *md);                   // allocd by caller, CC_MD5_DIGEST_LENGTH bytes
+void ocspdMD4(
+       const void              *data,
+       CC_LONG                 len,
+       unsigned char   *md);                   // allocd by caller, CC_MD4_DIGEST_LENGTH bytes
+void ocspdSHA256(
+       const void              *data,
+       CC_LONG                 len,
+       unsigned char   *md);                   // allocd by caller, CC_SHA256_DIGEST_LENGTH bytes
+
+/*
+ * How many items in a NULL-terminated array of pointers?
+ */
+unsigned ocspdArraySize(
+       const void **array);
+
+#define CFRELEASE(cf)  \
+       if(cf != NULL) {        \
+               CFRelease(cf);  \
+       }
+       
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _OCSPD_UTILS_H_ */