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comparison rmd128.c @ 143:5d99163f7e32 libtomcrypt-orig

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import of libtomcrypt 0.99
author Matt Johnston <matt@ucc.asn.au>
date Sun, 19 Dec 2004 11:34:45 +0000
parents 6362d3854bb4
children
comparison
equal deleted inserted replaced
15:6362d3854bb4 143:5d99163f7e32
73 #define III(a, b, c, d, x, s) \ 73 #define III(a, b, c, d, x, s) \
74 (a) += I((b), (c), (d)) + (x) + 0x50a28be6UL;\ 74 (a) += I((b), (c), (d)) + (x) + 0x50a28be6UL;\
75 (a) = ROL((a), (s)); 75 (a) = ROL((a), (s));
76 76
77 #ifdef CLEAN_STACK 77 #ifdef CLEAN_STACK
78 static void _rmd128_compress(hash_state *md, unsigned char *buf) 78 static int _rmd128_compress(hash_state *md, unsigned char *buf)
79 #else 79 #else
80 static void rmd128_compress(hash_state *md, unsigned char *buf) 80 static int rmd128_compress(hash_state *md, unsigned char *buf)
81 #endif 81 #endif
82 { 82 {
83 ulong32 aa,bb,cc,dd,aaa,bbb,ccc,ddd,X[16]; 83 ulong32 aa,bb,cc,dd,aaa,bbb,ccc,ddd,X[16];
84 int i; 84 int i;
85 85
242 ddd += cc + md->rmd128.state[1]; /* final result for MDbuf[0] */ 242 ddd += cc + md->rmd128.state[1]; /* final result for MDbuf[0] */
243 md->rmd128.state[1] = md->rmd128.state[2] + dd + aaa; 243 md->rmd128.state[1] = md->rmd128.state[2] + dd + aaa;
244 md->rmd128.state[2] = md->rmd128.state[3] + aa + bbb; 244 md->rmd128.state[2] = md->rmd128.state[3] + aa + bbb;
245 md->rmd128.state[3] = md->rmd128.state[0] + bb + ccc; 245 md->rmd128.state[3] = md->rmd128.state[0] + bb + ccc;
246 md->rmd128.state[0] = ddd; 246 md->rmd128.state[0] = ddd;
247
248 return CRYPT_OK;
247 } 249 }
248 250
249 #ifdef CLEAN_STACK 251 #ifdef CLEAN_STACK
250 static void rmd128_compress(hash_state *md, unsigned char *buf) 252 static int rmd128_compress(hash_state *md, unsigned char *buf)
251 { 253 {
252 _rmd128_compress(md, buf); 254 int err;
255 err = _rmd128_compress(md, buf);
253 burn_stack(sizeof(ulong32) * 24 + sizeof(int)); 256 burn_stack(sizeof(ulong32) * 24 + sizeof(int));
254 } 257 return err;
255 #endif 258 }
256 259 #endif
257 void rmd128_init(hash_state * md) 260
261 int rmd128_init(hash_state * md)
258 { 262 {
259 _ARGCHK(md != NULL); 263 _ARGCHK(md != NULL);
260 md->rmd128.state[0] = 0x67452301UL; 264 md->rmd128.state[0] = 0x67452301UL;
261 md->rmd128.state[1] = 0xefcdab89UL; 265 md->rmd128.state[1] = 0xefcdab89UL;
262 md->rmd128.state[2] = 0x98badcfeUL; 266 md->rmd128.state[2] = 0x98badcfeUL;
263 md->rmd128.state[3] = 0x10325476UL; 267 md->rmd128.state[3] = 0x10325476UL;
264 md->rmd128.curlen = 0; 268 md->rmd128.curlen = 0;
265 md->rmd128.length = 0; 269 md->rmd128.length = 0;
270 return CRYPT_OK;
266 } 271 }
267 272
268 HASH_PROCESS(rmd128_process, rmd128_compress, rmd128, 64) 273 HASH_PROCESS(rmd128_process, rmd128_compress, rmd128, 64)
269 274
270 int rmd128_done(hash_state * md, unsigned char *hash) 275 int rmd128_done(hash_state * md, unsigned char *hash)