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comparison src/headers/tomcrypt_hash.h @ 191:1c15b283127b libtomcrypt-orig

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Import of libtomcrypt 1.02 with manual path rename rearrangement etc
author Matt Johnston <matt@ucc.asn.au>
date Fri, 06 May 2005 13:23:02 +0000
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children 39d5d58461d6
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143:5d99163f7e32 191:1c15b283127b
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 DER identifier */
136 unsigned char DER[64];
137 /** Length of DER encoding */
138 unsigned long DERlen;
139 /** Init a hash state
140 @param hash The hash to initialize
141 @return CRYPT_OK if successful
142 */
143 int (*init)(hash_state *hash);
144 /** Process a block of data
145 @param hash The hash state
146 @param in The data to hash
147 @param inlen The length of the data (octets)
148 @return CRYPT_OK if successful
149 */
150 int (*process)(hash_state *hash, const unsigned char *in, unsigned long inlen);
151 /** Produce the digest and store it
152 @param hash The hash state
153 @param out [out] The destination of the digest
154 @return CRYPT_OK if successful
155 */
156 int (*done)(hash_state *hash, unsigned char *out);
157 /** Self-test
158 @return CRYPT_OK if successful, CRYPT_NOP if self-tests have been disabled
159 */
160 int (*test)(void);
161 } hash_descriptor[];
162
163 #ifdef CHC_HASH
164 int chc_register(int cipher);
165 int chc_init(hash_state * md);
166 int chc_process(hash_state * md, const unsigned char *in, unsigned long inlen);
167 int chc_done(hash_state * md, unsigned char *hash);
168 int chc_test(void);
169 extern const struct ltc_hash_descriptor chc_desc;
170 #endif
171
172 #ifdef WHIRLPOOL
173 int whirlpool_init(hash_state * md);
174 int whirlpool_process(hash_state * md, const unsigned char *in, unsigned long inlen);
175 int whirlpool_done(hash_state * md, unsigned char *hash);
176 int whirlpool_test(void);
177 extern const struct ltc_hash_descriptor whirlpool_desc;
178 #endif
179
180 #ifdef SHA512
181 int sha512_init(hash_state * md);
182 int sha512_process(hash_state * md, const unsigned char *in, unsigned long inlen);
183 int sha512_done(hash_state * md, unsigned char *hash);
184 int sha512_test(void);
185 extern const struct ltc_hash_descriptor sha512_desc;
186 #endif
187
188 #ifdef SHA384
189 #ifndef SHA512
190 #error SHA512 is required for SHA384
191 #endif
192 int sha384_init(hash_state * md);
193 #define sha384_process sha512_process
194 int sha384_done(hash_state * md, unsigned char *hash);
195 int sha384_test(void);
196 extern const struct ltc_hash_descriptor sha384_desc;
197 #endif
198
199 #ifdef SHA256
200 int sha256_init(hash_state * md);
201 int sha256_process(hash_state * md, const unsigned char *in, unsigned long inlen);
202 int sha256_done(hash_state * md, unsigned char *hash);
203 int sha256_test(void);
204 extern const struct ltc_hash_descriptor sha256_desc;
205
206 #ifdef SHA224
207 #ifndef SHA256
208 #error SHA256 is required for SHA224
209 #endif
210 int sha224_init(hash_state * md);
211 #define sha224_process sha256_process
212 int sha224_done(hash_state * md, unsigned char *hash);
213 int sha224_test(void);
214 extern const struct ltc_hash_descriptor sha224_desc;
215 #endif
216 #endif
217
218 #ifdef SHA1
219 int sha1_init(hash_state * md);
220 int sha1_process(hash_state * md, const unsigned char *in, unsigned long inlen);
221 int sha1_done(hash_state * md, unsigned char *hash);
222 int sha1_test(void);
223 extern const struct ltc_hash_descriptor sha1_desc;
224 #endif
225
226 #ifdef MD5
227 int md5_init(hash_state * md);
228 int md5_process(hash_state * md, const unsigned char *in, unsigned long inlen);
229 int md5_done(hash_state * md, unsigned char *hash);
230 int md5_test(void);
231 extern const struct ltc_hash_descriptor md5_desc;
232 #endif
233
234 #ifdef MD4
235 int md4_init(hash_state * md);
236 int md4_process(hash_state * md, const unsigned char *in, unsigned long inlen);
237 int md4_done(hash_state * md, unsigned char *hash);
238 int md4_test(void);
239 extern const struct ltc_hash_descriptor md4_desc;
240 #endif
241
242 #ifdef MD2
243 int md2_init(hash_state * md);
244 int md2_process(hash_state * md, const unsigned char *in, unsigned long inlen);
245 int md2_done(hash_state * md, unsigned char *hash);
246 int md2_test(void);
247 extern const struct ltc_hash_descriptor md2_desc;
248 #endif
249
250 #ifdef TIGER
251 int tiger_init(hash_state * md);
252 int tiger_process(hash_state * md, const unsigned char *in, unsigned long inlen);
253 int tiger_done(hash_state * md, unsigned char *hash);
254 int tiger_test(void);
255 extern const struct ltc_hash_descriptor tiger_desc;
256 #endif
257
258 #ifdef RIPEMD128
259 int rmd128_init(hash_state * md);
260 int rmd128_process(hash_state * md, const unsigned char *in, unsigned long inlen);
261 int rmd128_done(hash_state * md, unsigned char *hash);
262 int rmd128_test(void);
263 extern const struct ltc_hash_descriptor rmd128_desc;
264 #endif
265
266 #ifdef RIPEMD160
267 int rmd160_init(hash_state * md);
268 int rmd160_process(hash_state * md, const unsigned char *in, unsigned long inlen);
269 int rmd160_done(hash_state * md, unsigned char *hash);
270 int rmd160_test(void);
271 extern const struct ltc_hash_descriptor rmd160_desc;
272 #endif
273
274 int find_hash(const char *name);
275 int find_hash_id(unsigned char ID);
276 int find_hash_any(const char *name, int digestlen);
277 int register_hash(const struct ltc_hash_descriptor *hash);
278 int unregister_hash(const struct ltc_hash_descriptor *hash);
279 int hash_is_valid(int idx);
280
281 int hash_memory(int hash,
282 const unsigned char *in, unsigned long inlen,
283 unsigned char *out, unsigned long *outlen);
284 int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
285 const unsigned char *in, unsigned long inlen, ...);
286 int hash_filehandle(int hash, FILE *in, unsigned char *out, unsigned long *outlen);
287 int hash_file(int hash, const char *fname, unsigned char *out, unsigned long *outlen);
288
289 /* a simple macro for making hash "process" functions */
290 #define HASH_PROCESS(func_name, compress_name, state_var, block_size) \
291 int func_name (hash_state * md, const unsigned char *in, unsigned long inlen) \
292 { \
293 unsigned long n; \
294 int err; \
295 LTC_ARGCHK(md != NULL); \
296 LTC_ARGCHK(in != NULL); \
297 if (md-> state_var .curlen > sizeof(md-> state_var .buf)) { \
298 return CRYPT_INVALID_ARG; \
299 } \
300 while (inlen > 0) { \
301 if (md-> state_var .curlen == 0 && inlen >= block_size) { \
302 if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) { \
303 return err; \
304 } \
305 md-> state_var .length += block_size * 8; \
306 in += block_size; \
307 inlen -= block_size; \
308 } else { \
309 n = MIN(inlen, (block_size - md-> state_var .curlen)); \
310 memcpy(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n); \
311 md-> state_var .curlen += n; \
312 in += n; \
313 inlen -= n; \
314 if (md-> state_var .curlen == block_size) { \
315 if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) {\
316 return err; \
317 } \
318 md-> state_var .length += 8*block_size; \
319 md-> state_var .curlen = 0; \
320 } \
321 } \
322 } \
323 return CRYPT_OK; \
324 }