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comparison libtomcrypt/src/headers/tomcrypt_hash.h @ 285:1b9e69c058d2

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propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 20dccfc09627970a312d77fb41dc2970b62689c3) to branch 'au.asn.ucc.matt.dropbear' (head fdf4a7a3b97ae5046139915de7e40399cceb2c01)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 08 Mar 2006 13:23:58 +0000
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children 0cbe8f6dbf9e
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281:997e6f7dc01e 285:1b9e69c058d2
1 /* ---- HASH FUNCTIONS ---- */
2 #ifdef SHA512
3 struct sha512_state {
4 ulong64 length, state[8];
5 unsigned long curlen;
6 unsigned char buf[128];
7 };
8 #endif
9
10 #ifdef SHA256
11 struct sha256_state {
12 ulong64 length;
13 ulong32 state[8], curlen;
14 unsigned char buf[64];
15 };
16 #endif
17
18 #ifdef SHA1
19 struct sha1_state {
20 ulong64 length;
21 ulong32 state[5], curlen;
22 unsigned char buf[64];
23 };
24 #endif
25
26 #ifdef MD5
27 struct md5_state {
28 ulong64 length;
29 ulong32 state[4], curlen;
30 unsigned char buf[64];
31 };
32 #endif
33
34 #ifdef MD4
35 struct md4_state {
36 ulong64 length;
37 ulong32 state[4], curlen;
38 unsigned char buf[64];
39 };
40 #endif
41
42 #ifdef TIGER
43 struct tiger_state {
44 ulong64 state[3], length;
45 unsigned long curlen;
46 unsigned char buf[64];
47 };
48 #endif
49
50 #ifdef MD2
51 struct md2_state {
52 unsigned char chksum[16], X[48], buf[16];
53 unsigned long curlen;
54 };
55 #endif
56
57 #ifdef RIPEMD128
58 struct rmd128_state {
59 ulong64 length;
60 unsigned char buf[64];
61 ulong32 curlen, state[4];
62 };
63 #endif
64
65 #ifdef RIPEMD160
66 struct rmd160_state {
67 ulong64 length;
68 unsigned char buf[64];
69 ulong32 curlen, state[5];
70 };
71 #endif
72
73 #ifdef WHIRLPOOL
74 struct whirlpool_state {
75 ulong64 length, state[8];
76 unsigned char buf[64];
77 ulong32 curlen;
78 };
79 #endif
80
81 #ifdef CHC_HASH
82 struct chc_state {
83 ulong64 length;
84 unsigned char state[MAXBLOCKSIZE], buf[MAXBLOCKSIZE];
85 ulong32 curlen;
86 };
87 #endif
88
89 typedef union Hash_state {
90 #ifdef CHC_HASH
91 struct chc_state chc;
92 #endif
93 #ifdef WHIRLPOOL
94 struct whirlpool_state whirlpool;
95 #endif
96 #ifdef SHA512
97 struct sha512_state sha512;
98 #endif
99 #ifdef SHA256
100 struct sha256_state sha256;
101 #endif
102 #ifdef SHA1
103 struct sha1_state sha1;
104 #endif
105 #ifdef MD5
106 struct md5_state md5;
107 #endif
108 #ifdef MD4
109 struct md4_state md4;
110 #endif
111 #ifdef MD2
112 struct md2_state md2;
113 #endif
114 #ifdef TIGER
115 struct tiger_state tiger;
116 #endif
117 #ifdef RIPEMD128
118 struct rmd128_state rmd128;
119 #endif
120 #ifdef RIPEMD160
121 struct rmd160_state rmd160;
122 #endif
123 void *data;
124 } hash_state;
125
126 extern struct ltc_hash_descriptor {
127 /** name of hash */
128 char *name;
129 /** internal ID */
130 unsigned char ID;
131 /** Size of digest in octets */
132 unsigned long hashsize;
133 /** Input block size in octets */
134 unsigned long blocksize;
135 /** ASN.1 OID */
136 unsigned long OID[16];
137 /** Length of DER encoding */
138 unsigned long OIDlen;
139
140 /** Init a hash state
141 @param hash The hash to initialize
142 @return CRYPT_OK if successful
143 */
144 int (*init)(hash_state *hash);
145 /** Process a block of data
146 @param hash The hash state
147 @param in The data to hash
148 @param inlen The length of the data (octets)
149 @return CRYPT_OK if successful
150 */
151 int (*process)(hash_state *hash, const unsigned char *in, unsigned long inlen);
152 /** Produce the digest and store it
153 @param hash The hash state
154 @param out [out] The destination of the digest
155 @return CRYPT_OK if successful
156 */
157 int (*done)(hash_state *hash, unsigned char *out);
158 /** Self-test
159 @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
160 */
161 int (*test)(void);
162 } hash_descriptor[];
163
164 #ifdef CHC_HASH
165 int chc_register(int cipher);
166 int chc_init(hash_state * md);
167 int chc_process(hash_state * md, const unsigned char *in, unsigned long inlen);
168 int chc_done(hash_state * md, unsigned char *hash);
169 int chc_test(void);
170 extern const struct ltc_hash_descriptor chc_desc;
171 #endif
172
173 #ifdef WHIRLPOOL
174 int whirlpool_init(hash_state * md);
175 int whirlpool_process(hash_state * md, const unsigned char *in, unsigned long inlen);
176 int whirlpool_done(hash_state * md, unsigned char *hash);
177 int whirlpool_test(void);
178 extern const struct ltc_hash_descriptor whirlpool_desc;
179 #endif
180
181 #ifdef SHA512
182 int sha512_init(hash_state * md);
183 int sha512_process(hash_state * md, const unsigned char *in, unsigned long inlen);
184 int sha512_done(hash_state * md, unsigned char *hash);
185 int sha512_test(void);
186 extern const struct ltc_hash_descriptor sha512_desc;
187 #endif
188
189 #ifdef SHA384
190 #ifndef SHA512
191 #error SHA512 is required for SHA384
192 #endif
193 int sha384_init(hash_state * md);
194 #define sha384_process sha512_process
195 int sha384_done(hash_state * md, unsigned char *hash);
196 int sha384_test(void);
197 extern const struct ltc_hash_descriptor sha384_desc;
198 #endif
199
200 #ifdef SHA256
201 int sha256_init(hash_state * md);
202 int sha256_process(hash_state * md, const unsigned char *in, unsigned long inlen);
203 int sha256_done(hash_state * md, unsigned char *hash);
204 int sha256_test(void);
205 extern const struct ltc_hash_descriptor sha256_desc;
206
207 #ifdef SHA224
208 #ifndef SHA256
209 #error SHA256 is required for SHA224
210 #endif
211 int sha224_init(hash_state * md);
212 #define sha224_process sha256_process
213 int sha224_done(hash_state * md, unsigned char *hash);
214 int sha224_test(void);
215 extern const struct ltc_hash_descriptor sha224_desc;
216 #endif
217 #endif
218
219 #ifdef SHA1
220 int sha1_init(hash_state * md);
221 int sha1_process(hash_state * md, const unsigned char *in, unsigned long inlen);
222 int sha1_done(hash_state * md, unsigned char *hash);
223 int sha1_test(void);
224 extern const struct ltc_hash_descriptor sha1_desc;
225 #endif
226
227 #ifdef MD5
228 int md5_init(hash_state * md);
229 int md5_process(hash_state * md, const unsigned char *in, unsigned long inlen);
230 int md5_done(hash_state * md, unsigned char *hash);
231 int md5_test(void);
232 extern const struct ltc_hash_descriptor md5_desc;
233 #endif
234
235 #ifdef MD4
236 int md4_init(hash_state * md);
237 int md4_process(hash_state * md, const unsigned char *in, unsigned long inlen);
238 int md4_done(hash_state * md, unsigned char *hash);
239 int md4_test(void);
240 extern const struct ltc_hash_descriptor md4_desc;
241 #endif
242
243 #ifdef MD2
244 int md2_init(hash_state * md);
245 int md2_process(hash_state * md, const unsigned char *in, unsigned long inlen);
246 int md2_done(hash_state * md, unsigned char *hash);
247 int md2_test(void);
248 extern const struct ltc_hash_descriptor md2_desc;
249 #endif
250
251 #ifdef TIGER
252 int tiger_init(hash_state * md);
253 int tiger_process(hash_state * md, const unsigned char *in, unsigned long inlen);
254 int tiger_done(hash_state * md, unsigned char *hash);
255 int tiger_test(void);
256 extern const struct ltc_hash_descriptor tiger_desc;
257 #endif
258
259 #ifdef RIPEMD128
260 int rmd128_init(hash_state * md);
261 int rmd128_process(hash_state * md, const unsigned char *in, unsigned long inlen);
262 int rmd128_done(hash_state * md, unsigned char *hash);
263 int rmd128_test(void);
264 extern const struct ltc_hash_descriptor rmd128_desc;
265 #endif
266
267 #ifdef RIPEMD160
268 int rmd160_init(hash_state * md);
269 int rmd160_process(hash_state * md, const unsigned char *in, unsigned long inlen);
270 int rmd160_done(hash_state * md, unsigned char *hash);
271 int rmd160_test(void);
272 extern const struct ltc_hash_descriptor rmd160_desc;
273 #endif
274
275 int find_hash(const char *name);
276 int find_hash_id(unsigned char ID);
277 int find_hash_any(const char *name, int digestlen);
278 int register_hash(const struct ltc_hash_descriptor *hash);
279 int unregister_hash(const struct ltc_hash_descriptor *hash);
280 int hash_is_valid(int idx);
281
282 LTC_MUTEX_PROTO(ltc_hash_mutex);
283
284 int hash_memory(int hash,
285 const unsigned char *in, unsigned long inlen,
286 unsigned char *out, unsigned long *outlen);
287 int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
288 const unsigned char *in, unsigned long inlen, ...);
289 int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outlen);
290 int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen);
291
292 /* a simple macro for making hash "process" functions */
293 #define HASH_PROCESS(func_name, compress_name, state_var, block_size) \
294 int func_name (hash_state * md, const unsigned char *in, unsigned long inlen) \
295 { \
296 unsigned long n; \
297 int err; \
298 LTC_ARGCHK(md != NULL); \
299 LTC_ARGCHK(in != NULL); \
300 if (md-> state_var .curlen > sizeof(md-> state_var .buf)) { \
301 return CRYPT_INVALID_ARG; \
302 } \
303 while (inlen > 0) { \
304 if (md-> state_var .curlen == 0 && inlen >= block_size) { \
305 if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) { \
306 return err; \
307 } \
308 md-> state_var .length += block_size * 8; \
309 in += block_size; \
310 inlen -= block_size; \
311 } else { \
312 n = MIN(inlen, (block_size - md-> state_var .curlen)); \
313 memcpy(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n); \
314 md-> state_var .curlen += n; \
315 in += n; \
316 inlen -= n; \
317 if (md-> state_var .curlen == block_size) { \
318 if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) { \
319 return err; \
320 } \
321 md-> state_var .length += 8*block_size; \
322 md-> state_var .curlen = 0; \
323 } \
324 } \
325 } \
326 return CRYPT_OK; \
327 }
328
329 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_hash.h,v $ */
330 /* $Revision: 1.12 $ */
331 /* $Date: 2005/06/19 18:00:28 $ */