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md5_int.h
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1 /*-------------------------------------------------------------------------
2  *
3  * md5_int.h
4  * Internal headers for fallback implementation of MD5
5  *
6  * Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
7  * Portions Copyright (c) 1994, Regents of the University of California
8  *
9  * IDENTIFICATION
10  * src/common/md5_int.h
11  *
12  *-------------------------------------------------------------------------
13  */
14 
15 /* $KAME: md5.h,v 1.3 2000/02/22 14:01:18 itojun Exp $ */
16 
17 /*
18  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
19  * All rights reserved.
20  *
21  * Redistribution and use in source and binary forms, with or without
22  * modification, are permitted provided that the following conditions
23  * are met:
24  * 1. Redistributions of source code must retain the above copyright
25  * notice, this list of conditions and the following disclaimer.
26  * 2. Redistributions in binary form must reproduce the above copyright
27  * notice, this list of conditions and the following disclaimer in the
28  * documentation and/or other materials provided with the distribution.
29  * 3. Neither the name of the project nor the names of its contributors
30  * may be used to endorse or promote products derived from this software
31  * without specific prior written permission.
32  *
33  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
34  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
35  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
36  * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
37  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
38  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
39  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
40  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
41  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
42  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43  * SUCH DAMAGE.
44  */
45 
46 #ifndef PG_MD5_INT_H
47 #define PG_MD5_INT_H
48 
49 #include "common/md5.h"
50 
51 #define MD5_BUFLEN 64
52 
53 /* Context data for MD5 */
54 typedef struct
55 {
56  union
57  {
58  uint32 md5_state32[4];
59  uint8 md5_state8[16];
60  } md5_st;
61 
62 #define md5_sta md5_st.md5_state32[0]
63 #define md5_stb md5_st.md5_state32[1]
64 #define md5_stc md5_st.md5_state32[2]
65 #define md5_std md5_st.md5_state32[3]
66 #define md5_st8 md5_st.md5_state8
67 
68  union
69  {
70  uint64 md5_count64;
71  uint8 md5_count8[8];
72  } md5_count;
73 #define md5_n md5_count.md5_count64
74 #define md5_n8 md5_count.md5_count8
75 
76  unsigned int md5_i;
77  uint8 md5_buf[MD5_BUFLEN];
78 } pg_md5_ctx;
79 
80 /* Interface routines for MD5 */
81 extern void pg_md5_init(pg_md5_ctx *ctx);
82 extern void pg_md5_update(pg_md5_ctx *ctx, const uint8 *data, size_t len);
83 extern void pg_md5_final(pg_md5_ctx *ctx, uint8 *dest);
84 
85 #endif /* PG_MD5_INT_H */
void pg_md5_final(pg_md5_ctx *ctx, uint8 *dest)
Definition: md5.c:435
unsigned char uint8
Definition: c.h:439
#define MD5_BUFLEN
Definition: md5_int.h:51
void pg_md5_update(pg_md5_ctx *ctx, const uint8 *data, size_t len)
Definition: md5.c:403
unsigned int md5_i
Definition: md5_int.h:76
unsigned int uint32
Definition: c.h:441
void pg_md5_init(pg_md5_ctx *ctx)
Definition: md5.c:385
uint64 md5_count64
Definition: md5_int.h:70