release/src/router/mysql/include/sha1.h

   1 /* Copyright (C) 2002, 2006 MySQL AB
   2
   3  This program is free software; you can redistribute it and/or modify
   4  it under the terms of the GNU General Public License as published by
   5  the Free Software Foundation; version 2 of the License.
   6
   7  This program is distributed in the hope that it will be useful,
   8  but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  10  GNU General Public License for more details.
  11
  12  You should have received a copy of the GNU General Public License
  13  along with this program; if not, write to the Free Software
  14  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  15 */
  16
  17 /*
  18  This is the header file for code which implements the Secure
  19  Hashing Algorithm 1 as defined in FIPS PUB 180-1 published
  20  April 17, 1995.
  21
  22  Many of the variable names in this code, especially the
  23  single character names, were used because those were the names
  24  used in the publication.
  25
  26  Please read the file sha1.c for more information.
  27
  28  Modified 2002 by Peter Zaitsev to better follow MySQL standards
  29
  30   Original Source from: http://www.faqs.org/rfcs/rfc3174.html
  31
  32   Copyright (C) The Internet Society (2001).  All Rights Reserved.
  33
  34   This document and translations of it may be copied and furnished to
  35   others, and derivative works that comment on or otherwise explain it
  36   or assist in its implementation may be prepared, copied, published
  37   and distributed, in whole or in part, without restriction of any
  38   kind, provided that the above copyright notice and this paragraph are
  39   included on all such copies and derivative works.  However, this
  40   document itself may not be modified in any way, such as by removing
  41   the copyright notice or references to the Internet Society or other
  42   Internet organizations, except as needed for the purpose of
  43   developing Internet standards in which case the procedures for
  44   copyrights defined in the Internet Standards process must be
  45   followed, or as required to translate it into languages other than
  46   English.
  47
  48   The limited permissions granted above are perpetual and will not be
  49   revoked by the Internet Society or its successors or assigns.
  50
  51   This document and the information contained herein is provided on an
  52   "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING
  53   TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
  54   BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION
  55   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
  56   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
  57
  58   Acknowledgement
  59   Funding for the RFC Editor function is currently provided by the
  60   Internet Society.
  61 */
  62
  63
  64 enum sha_result_codes
  65 {
  66   SHA_SUCCESS = 0,
  67   SHA_NULL,             /* Null pointer parameter */
  68   SHA_INPUT_TOO_LONG,   /* input data too long */
  69   SHA_STATE_ERROR       /* called Input after Result */
  70 };
  71
  72 #define SHA1_HASH_SIZE 20 /* Hash size in bytes */
  73
  74 /*
  75   This structure will hold context information for the SHA-1
  76   hashing operation
  77 */
  78
  79 typedef struct SHA1_CONTEXT
  80 {
  81   ulonglong  Length;            /* Message length in bits      */
  82   uint32 Intermediate_Hash[SHA1_HASH_SIZE/4]; /* Message Digest  */
  83   int Computed;                 /* Is the digest computed?         */
  84   int Corrupted;                /* Is the message digest corrupted? */
  85   int16 Message_Block_Index;    /* Index into message block array   */
  86   uint8 Message_Block[64];      /* 512-bit message blocks      */
  87 } SHA1_CONTEXT;
  88
  89 /*
  90   Function Prototypes
  91 */
  92
  93 C_MODE_START
  94
  95 int mysql_sha1_reset(SHA1_CONTEXT*);
  96 int mysql_sha1_input(SHA1_CONTEXT*, const uint8 *, unsigned int);
  97 int mysql_sha1_result(SHA1_CONTEXT* , uint8 Message_Digest[SHA1_HASH_SIZE]);
  98
  99 C_MODE_END