/usr/include/cyrus/md5.h is in cyrus-dev 2.4.17+nocaldav-0+deb8u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | /* MD5.H - wrapper for MD5 message digest routines
*/
#ifndef _CYRUS_MD5_H_
#define _CYRUS_MD5_H_ 1
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
/*
* This is gnarly, sorry :( We might have been configured to build
* with OpenSSL, or we might not. Some older versions of OpenSSL
* will drag in their own md5.h when we include <openssl/ssl.h>, but
* newer ones don't. The OpenSSL header might be included before or
* after this header file is included.
*
* So, we *might* have a definition of the MD5_CTX structure from
* OpenSSL, now or later, or not.
*
* LibSASL also has MD5 routines, declared in <sasl/md5.h>, and that
* header also defines a MD5_CTX structure. So we can't include
* both md5.h's, but we need one.
*
* So we explicitly include the OpenSSL md5.h if OpenSSL is configured
* in, otherwise we fallback to the libSASL routines. Note that we
* cannot build without libSASL anyway, so we don't need to fallback
* any further.
*
* The MD5 API varies slightly from library to library. Here's a
* description of the API that Cyrus is expecting and that we try
* to provide on top of whatever the library has.
*
* typedef struct ... { ... } MD5_CTX;
* void MD5Init(MD5_CTX *);
* void MD5Update(MD5_CTX *, const void *data, size_t len);
* void MD5Final(unsigned char[MD5_DIGEST_LENGTH], MD5_CTX *);
*/
#ifdef HAVE_SSL
#include <openssl/md5.h>
#define MD5Init MD5_Init
#define MD5Update MD5_Update
#define MD5Final MD5_Final
#else
#include <sasl/md5global.h>
#include <sasl/md5.h>
#define MD5Init _sasl_MD5Init
#define MD5Update _sasl_MD5Update
#define MD5Final _sasl_MD5Final
#endif /* !HAVE_SSL */
#ifndef MD5_DIGEST_LENGTH
#define MD5_DIGEST_LENGTH 16
#endif
#endif /* _CYRUS_MD5_H_ */
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