1285031Sdes/* $OpenBSD: md5.h,v 1.17 2012/12/05 23:19:57 deraadt Exp $ */ 2285031Sdes 3285031Sdes/* 4285031Sdes * This code implements the MD5 message-digest algorithm. 5285031Sdes * The algorithm is due to Ron Rivest. This code was 6285031Sdes * written by Colin Plumb in 1993, no copyright is claimed. 7285031Sdes * This code is in the public domain; do with it what you wish. 8285031Sdes * 9285031Sdes * Equivalent code is available from RSA Data Security, Inc. 10285031Sdes * This code has been tested against that, and is equivalent, 11285031Sdes * except that you don't need to include two pages of legalese 12285031Sdes * with every copy. 13285031Sdes */ 14285031Sdes 15285031Sdes#ifndef _MD5_H_ 16285031Sdes#define _MD5_H_ 17285031Sdes 18285031Sdes#ifndef WITH_OPENSSL 19285031Sdes 20285031Sdes#define MD5_BLOCK_LENGTH 64 21285031Sdes#define MD5_DIGEST_LENGTH 16 22285031Sdes#define MD5_DIGEST_STRING_LENGTH (MD5_DIGEST_LENGTH * 2 + 1) 23285031Sdes 24285031Sdestypedef struct MD5Context { 25285031Sdes u_int32_t state[4]; /* state */ 26285031Sdes u_int64_t count; /* number of bits, mod 2^64 */ 27285031Sdes u_int8_t buffer[MD5_BLOCK_LENGTH]; /* input buffer */ 28285031Sdes} MD5_CTX; 29285031Sdes 30285031Sdesvoid MD5Init(MD5_CTX *); 31285031Sdesvoid MD5Update(MD5_CTX *, const u_int8_t *, size_t) 32285031Sdes __attribute__((__bounded__(__string__,2,3))); 33285031Sdesvoid MD5Pad(MD5_CTX *); 34285031Sdesvoid MD5Final(u_int8_t [MD5_DIGEST_LENGTH], MD5_CTX *) 35285031Sdes __attribute__((__bounded__(__minbytes__,1,MD5_DIGEST_LENGTH))); 36285031Sdesvoid MD5Transform(u_int32_t [4], const u_int8_t [MD5_BLOCK_LENGTH]) 37285031Sdes __attribute__((__bounded__(__minbytes__,1,4))) 38285031Sdes __attribute__((__bounded__(__minbytes__,2,MD5_BLOCK_LENGTH))); 39285031Sdeschar *MD5End(MD5_CTX *, char *) 40285031Sdes __attribute__((__bounded__(__minbytes__,2,MD5_DIGEST_STRING_LENGTH))); 41285031Sdeschar *MD5File(const char *, char *) 42285031Sdes __attribute__((__bounded__(__minbytes__,2,MD5_DIGEST_STRING_LENGTH))); 43285031Sdeschar *MD5FileChunk(const char *, char *, off_t, off_t) 44285031Sdes __attribute__((__bounded__(__minbytes__,2,MD5_DIGEST_STRING_LENGTH))); 45285031Sdeschar *MD5Data(const u_int8_t *, size_t, char *) 46285031Sdes __attribute__((__bounded__(__string__,1,2))) 47285031Sdes __attribute__((__bounded__(__minbytes__,3,MD5_DIGEST_STRING_LENGTH))); 48285031Sdes 49285031Sdes#endif /* !WITH_OPENSSL */ 50285031Sdes 51285031Sdes#endif /* _MD5_H_ */ 52