Annotation of elwix/tools/uboot_mkimage/include/sha1.h, revision 1.1.1.1
1.1 misho 1: /**
2: * \file sha1.h
3: * based from http://xyssl.org/code/source/sha1/
4: * FIPS-180-1 compliant SHA-1 implementation
5: *
6: * Copyright (C) 2003-2006 Christophe Devine
7: *
8: * This library is free software; you can redistribute it and/or
9: * modify it under the terms of the GNU Lesser General Public
10: * License, version 2.1 as published by the Free Software Foundation.
11: *
12: * This library is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this library; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
20: * MA 02110-1301 USA
21: */
22: /*
23: * The SHA-1 standard was published by NIST in 1993.
24: *
25: * http://www.itl.nist.gov/fipspubs/fip180-1.htm
26: */
27: #ifndef _SHA1_H
28: #define _SHA1_H
29:
30: #ifdef __cplusplus
31: extern "C" {
32: #endif
33:
34: #define SHA1_SUM_POS -0x20
35: #define SHA1_SUM_LEN 20
36:
37: /**
38: * \brief SHA-1 context structure
39: */
40: typedef struct
41: {
42: unsigned long total[2]; /*!< number of bytes processed */
43: unsigned long state[5]; /*!< intermediate digest state */
44: unsigned char buffer[64]; /*!< data block being processed */
45: }
46: sha1_context;
47:
48: /**
49: * \brief SHA-1 context setup
50: *
51: * \param ctx SHA-1 context to be initialized
52: */
53: void sha1_starts( sha1_context *ctx );
54:
55: /**
56: * \brief SHA-1 process buffer
57: *
58: * \param ctx SHA-1 context
59: * \param input buffer holding the data
60: * \param ilen length of the input data
61: */
62: void sha1_update( sha1_context *ctx, unsigned char *input, int ilen );
63:
64: /**
65: * \brief SHA-1 final digest
66: *
67: * \param ctx SHA-1 context
68: * \param output SHA-1 checksum result
69: */
70: void sha1_finish( sha1_context *ctx, unsigned char output[20] );
71:
72: /**
73: * \brief Output = SHA-1( input buffer )
74: *
75: * \param input buffer holding the data
76: * \param ilen length of the input data
77: * \param output SHA-1 checksum result
78: */
79: void sha1_csum( unsigned char *input, int ilen,
80: unsigned char output[20] );
81:
82: /**
83: * \brief Output = SHA-1( input buffer ), with watchdog triggering
84: *
85: * \param input buffer holding the data
86: * \param ilen length of the input data
87: * \param output SHA-1 checksum result
88: * \param chunk_sz watchdog triggering period (in bytes of input processed)
89: */
90: void sha1_csum_wd (unsigned char *input, int ilen,
91: unsigned char output[20], unsigned int chunk_sz);
92:
93: /**
94: * \brief Output = SHA-1( file contents )
95: *
96: * \param path input file name
97: * \param output SHA-1 checksum result
98: * \return 0 if successful, or 1 if fopen failed
99: */
100: int sha1_file( char *path, unsigned char output[20] );
101:
102: /**
103: * \brief Output = HMAC-SHA-1( input buffer, hmac key )
104: *
105: * \param key HMAC secret key
106: * \param keylen length of the HMAC key
107: * \param input buffer holding the data
108: * \param ilen length of the input data
109: * \param output HMAC-SHA-1 result
110: */
111: void sha1_hmac( unsigned char *key, int keylen,
112: unsigned char *input, int ilen,
113: unsigned char output[20] );
114:
115: /**
116: * \brief Checkup routine
117: *
118: * \return 0 if successful, or 1 if the test failed
119: */
120: int sha1_self_test( void );
121:
122: #ifdef __cplusplus
123: }
124: #endif
125:
126: #endif /* sha1.h */
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