Mercurial > dropbear

comparison src/headers/tomcrypt_hash.h @ 210:4768b55c5240 libtomcrypt

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propagate from branch 'au.asn.ucc.matt.ltc-orig' (head 33c416b902f1a44913d825bae7ad9a160f703ed3) to branch 'au.asn.ucc.matt.dropbear.ltc' (head 4d6aec6e6121e13f68c11c149b6579c41cb63e74)
author Matt Johnston <matt@ucc.asn.au>
date Wed, 06 Jul 2005 12:10:23 +0000
parents 39d5d58461d6
children
comparison
equal deleted inserted replaced
199:8be64e2c86f4 210:4768b55c5240
130 unsigned char ID; 130 unsigned char ID;
131 /** Size of digest in octets */ 131 /** Size of digest in octets */
132 unsigned long hashsize; 132 unsigned long hashsize;
133 /** Input block size in octets */ 133 /** Input block size in octets */
134 unsigned long blocksize; 134 unsigned long blocksize;
135 /** ASN.1 DER identifier */ 135 /** ASN.1 OID */
136 unsigned char DER[64]; 136 unsigned long OID[16];
137 /** Length of DER encoding */ 137 /** Length of DER encoding */
138 unsigned long DERlen; 138 unsigned long OIDlen;
139
139 /** Init a hash state 140 /** Init a hash state
140 @param hash The hash to initialize 141 @param hash The hash to initialize
141 @return CRYPT_OK if successful 142 @return CRYPT_OK if successful
142 */ 143 */
143 int (*init)(hash_state *hash); 144 int (*init)(hash_state *hash);
276 int find_hash_any(const char *name, int digestlen); 277 int find_hash_any(const char *name, int digestlen);
277 int register_hash(const struct ltc_hash_descriptor *hash); 278 int register_hash(const struct ltc_hash_descriptor *hash);
278 int unregister_hash(const struct ltc_hash_descriptor *hash); 279 int unregister_hash(const struct ltc_hash_descriptor *hash);
279 int hash_is_valid(int idx); 280 int hash_is_valid(int idx);
280 281
282 LTC_MUTEX_PROTO(ltc_hash_mutex);
283
281 int hash_memory(int hash, 284 int hash_memory(int hash,
282 const unsigned char *in, unsigned long inlen, 285 const unsigned char *in, unsigned long inlen,
283 unsigned char *out, unsigned long *outlen); 286 unsigned char *out, unsigned long *outlen);
284 int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen, 287 int hash_memory_multi(int hash, unsigned char *out, unsigned long *outlen,
285 const unsigned char *in, unsigned long inlen, ...); 288 const unsigned char *in, unsigned long inlen, ...);
290 #define HASH_PROCESS(func_name, compress_name, state_var, block_size) \ 293 #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) \ 294 int func_name (hash_state * md, const unsigned char *in, unsigned long inlen) \
292 { \ 295 { \
293 unsigned long n; \ 296 unsigned long n; \
294 int err; \ 297 int err; \
295 LTC_ARGCHK(md != NULL); \ 298 LTC_ARGCHK(md != NULL); \
296 LTC_ARGCHK(in != NULL); \ 299 LTC_ARGCHK(in != NULL); \
297 if (md-> state_var .curlen > sizeof(md-> state_var .buf)) { \ 300 if (md-> state_var .curlen > sizeof(md-> state_var .buf)) { \
298 return CRYPT_INVALID_ARG; \ 301 return CRYPT_INVALID_ARG; \
299 } \ 302 } \
300 while (inlen > 0) { \ 303 while (inlen > 0) { \
301 if (md-> state_var .curlen == 0 && inlen >= block_size) { \ 304 if (md-> state_var .curlen == 0 && inlen >= block_size) { \
302 if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) { \ 305 if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) { \
303 return err; \ 306 return err; \
304 } \ 307 } \
305 md-> state_var .length += block_size * 8; \ 308 md-> state_var .length += block_size * 8; \
306 in += block_size; \ 309 in += block_size; \
307 inlen -= block_size; \ 310 inlen -= block_size; \
308 } else { \ 311 } else { \
309 n = MIN(inlen, (block_size - md-> state_var .curlen)); \ 312 n = MIN(inlen, (block_size - md-> state_var .curlen)); \
310 memcpy(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n); \ 313 memcpy(md-> state_var .buf + md-> state_var.curlen, in, (size_t)n); \
311 md-> state_var .curlen += n; \ 314 md-> state_var .curlen += n; \
312 in += n; \ 315 in += n; \
313 inlen -= n; \ 316 inlen -= n; \
314 if (md-> state_var .curlen == block_size) { \ 317 if (md-> state_var .curlen == block_size) { \
315 if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) {\ 318 if ((err = compress_name (md, md-> state_var .buf)) != CRYPT_OK) { \
316 return err; \ 319 return err; \
317 } \ 320 } \
318 md-> state_var .length += 8*block_size; \ 321 md-> state_var .length += 8*block_size; \
319 md-> state_var .curlen = 0; \ 322 md-> state_var .curlen = 0; \
320 } \ 323 } \
321 } \ 324 } \
322 } \ 325 } \
323 return CRYPT_OK; \ 326 return CRYPT_OK; \
324 } 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 $ */