1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* NIST Secure Hash Algorithm
* heavily modified by Uwe Hollerbach uh@alumni.caltech edu
* from Peter C. Gutmann's implementation as found in
* Applied Cryptography by Bruce Schneier
* This code is hereby placed in the public domain
*/
#ifndef APR_SHA1_H
#define APR_SHA1_H
#include "apu.h"
#include "apr_general.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @file apr_sha1.h
* @brief APR-UTIL SHA1 library
*/
/** size of the SHA1 DIGEST */
#define APR_SHA1_DIGESTSIZE 20
/**
* Define the Magic String prefix that identifies a password as being
* hashed using our algorithm.
*/
#define APR_SHA1PW_ID "{SHA}"
/** length of the SHA Password */
#define APR_SHA1PW_IDLEN 5
/**
* SHA1 context structure
*/
typedef struct apr_sha1_ctx_t apr_sha1_ctx_t;
struct apr_sha1_ctx_t {
/** message digest */
apr_uint32_t digest[5];
/** 64-bit bit counts */
apr_uint32_t count_lo, count_hi;
/** SHA data buffer */
apr_uint32_t data[16];
/** unprocessed amount in data */
int local;
};
/**
* Provide a means to SHA1 crypt/encode a plaintext password in a way which
* makes password file compatible with those commonly use in netscape web
* and ldap installations.
* @param clear The plaintext password
* @param len The length of the plaintext password
* @param out The encrypted/encoded password
* @note SHA1 support is useful for migration purposes, but is less
* secure than Apache's password format, since Apache's (MD5)
* password format uses a random eight character salt to generate
* one of many possible hashes for the same password. Netscape
* uses plain SHA1 without a salt, so the same password
* will always generate the same hash, making it easier
* to break since the search space is smaller.
*/
APU_DECLARE(void) apr_sha1_base64(const char *clear, int len, char *out);
/**
* Initialize the SHA digest
* @param context The SHA context to initialize
*/
APU_DECLARE(void) apr_sha1_init(apr_sha1_ctx_t *context);
/**
* Update the SHA digest
* @param context The SHA1 context to update
* @param input The buffer to add to the SHA digest
* @param inputLen The length of the input buffer
*/
APU_DECLARE(void) apr_sha1_update(apr_sha1_ctx_t *context, const char *input,
unsigned int inputLen);
/**
* Update the SHA digest with binary data
* @param context The SHA1 context to update
* @param input The buffer to add to the SHA digest
* @param inputLen The length of the input buffer
*/
APU_DECLARE(void) apr_sha1_update_binary(apr_sha1_ctx_t *context,
const unsigned char *input,
unsigned int inputLen);
/**
* Finish computing the SHA digest
* @param digest the output buffer in which to store the digest
* @param context The context to finalize
*/
APU_DECLARE(void) apr_sha1_final(unsigned char digest[APR_SHA1_DIGESTSIZE],
apr_sha1_ctx_t *context);
#ifdef __cplusplus
}
#endif
#endif /* APR_SHA1_H */
|
