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#ifndef MD5_H
#define MD5_H
/**
* \file lib/md5.h
* @todo Eliminate, use rpmio version instead.
*/
#include <sys/types.h>
typedef unsigned int uint32;
/**
* MD5 private data.
*/
struct MD5Context {
uint32 buf[4];
uint32 bits[2];
unsigned char in[64];
int doByteReverse;
};
/*
* This is needed to make RSAREF happy on some MS-DOS compilers.
*/
/*@-mutrep@*/ /* FIX: redefine as pointer */
typedef /*@abstract@*/ struct MD5Context MD5_CTX;
/*@=mutrep@*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* Initialize MD5 hash.
* Set bit count to 0 and buffer to mysterious initialization constants.
* @param ctx MD5 private data
* @param brokenEndian calculate broken MD5 sum?
*/
void rpmMD5Init( /*@out@*/ struct MD5Context * ctx, int brokenEndian);
/**
* Update context to reflect the concatenation of another buffer full.
* of bytes.
* @param ctx MD5 private data
* @param data next data buffer
* @param len no. bytes of data
*/
void rpmMD5Update(struct MD5Context * ctx, unsigned char const *buf,
unsigned len);
/**
* Return MD5 digest, and reset context.
* @retval MD5 digest
* @param ctx MD5 private data
*/
/*@-fixedformalarray@*/
void rpmMD5Final(unsigned char digest[16], struct MD5Context * ctx);
/*@=fixedformalarray@*/
/**
* The core of the MD5 algorithm.
* This alters an existing MD5 hash to reflect the addition of 16 longwords
* of new data.
* @param buf current MD5 variables
* @param in next block of data to add
*/
/*@-fixedformalarray -exportlocal@*/
void rpmMD5Transform(uint32 buf[4], uint32 const in[16]);
/*@=fixedformalarray =exportlocal@*/
/**
* Return MD5 sum of file as ASCII string.
* @param fn file name
* @retval digest MD5 digest
* @return 0 on success, 1 on error
*/
int mdfile(const char *fn, unsigned char *digest);
/**
* Return MD5 sum of file as binary data.
* @param fn file name
* @retval bindigest MD5 digest
* @return 0 on success, 1 on error
*/
int mdbinfile(const char *fn, unsigned char *bindigest);
/* These assume a little endian machine and return incorrect results!
They are here for compatibility with old (broken) versions of RPM */
/**
* Return (broken!) MD5 sum of file as ASCII string.
* @deprecated Here for compatibility with old (broken) versions of RPM.
* @param fn file name
* @retval digest MD5 digest
* @return 0 on success, 1 on error
*/
int mdfileBroken(const char *fn, unsigned char *digest);
/**
* Return (broken!) MD5 sum of file as binary data.
* @deprecated Here for compatibility with old (broken) versions of RPM.
* @param fn file name
* @retval bindigest MD5 digest
* @return 0 on success, 1 on error
*/
int mdbinfileBroken(const char *fn, unsigned char *bindigest);
#ifdef __cplusplus
}
#endif
#endif /* MD5_H */
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