eic-opticks/sysrap/md5.hh

0001 /*
0002  * Copyright (c) 2019 Opticks Team. All Rights Reserved.
0003  *
0004  * This file is part of Opticks
0005  * (see https://bitbucket.org/simoncblyth/opticks).
0006  *
0007  * Licensed under the Apache License, Version 2.0 (the "License");
0008  * you may not use this file except in compliance with the License.
0009  * You may obtain a copy of the License at
0010  *
0011  *   http://www.apache.org/licenses/LICENSE-2.0
0012  *
0013  * Unless required by applicable law or agreed to in writing, software
0014  * distributed under the License is distributed on an "AS IS" BASIS,
0015  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
0016  * See the License for the specific language governing permissions and
0017  * limitations under the License.
0018  */
0019
0020 //  see solarmd5-
0021
0022 /**
0023 md5
0024 =====
0025
0026 Updatable digest hash mechanics.
0027
0028
0029 **/
0030
0031 /*
0032  * This is an OpenSSL-compatible implementation of the RSA Data Security, Inc.
0033  * MD5 Message-Digest Algorithm (RFC 1321).
0034  *
0035  * Homepage:
0036  * http://openwall.info/wiki/people/solar/software/public-domain-source-code/md5
0037  *
0038  * Author:
0039  * Alexander Peslyak, better known as Solar Designer <solar at openwall.com>
0040  *
0041  * This software was written by Alexander Peslyak in 2001.  No copyright is
0042  * claimed, and the software is hereby placed in the public domain.
0043  * In case this attempt to disclaim copyright and place the software in the
0044  * public domain is deemed null and void, then the software is
0045  * Copyright (c) 2001 Alexander Peslyak and it is hereby released to the
0046  * general public under the following terms:
0047  *
0048  * Redistribution and use in source and binary forms, with or without
0049  * modification, are permitted.
0050  *
0051  * There's ABSOLUTELY NO WARRANTY, express or implied.
0052  *
0053  * See md5.c for more information.
0054  */
0055
0056 #ifdef HAVE_OPENSSL
0057 #include <openssl/md5.h>
0058 #elif !defined(_MD5_H)
0059 #define _MD5_H
0060
0061
0062 /* Any 32-bit or wider unsigned integer data type will do */
0063 typedef unsigned int MD5_u32plus;
0064
0065 typedef struct {
0066     MD5_u32plus lo, hi;
0067     MD5_u32plus a, b, c, d;
0068     unsigned char buffer[64];
0069     MD5_u32plus block[16];
0070 } MD5_CTX;
0071
0072 extern void MD5_Init(MD5_CTX *ctx);
0073 extern void MD5_Update(MD5_CTX *ctx, const void *data, unsigned long size);
0074 extern void MD5_Final(unsigned char *result, MD5_CTX *ctx);
0075
0076 #endif