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comparison libtomcrypt/src/headers/tomcrypt_mac.h @ 389:5ff8218bcee9

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propagate from branch 'au.asn.ucc.matt.ltm.dropbear' (head 2af95f00ebd5bb7a28b3817db1218442c935388e) to branch 'au.asn.ucc.matt.dropbear' (head ecd779509ef23a8cdf64888904fc9b31d78aa933)
author Matt Johnston <matt@ucc.asn.au>
date Thu, 11 Jan 2007 03:14:55 +0000
parents 0cbe8f6dbf9e
children f849a5ca2efc
comparison
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388:fb54020f78e1 389:5ff8218bcee9
1 #ifdef LTC_HMAC
2 typedef struct Hmac_state {
3 hash_state md;
4 int hash;
5 hash_state hashstate;
6 unsigned char *key;
7 } hmac_state;
8
9 int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned long keylen);
10 int hmac_process(hmac_state *hmac, const unsigned char *in, unsigned long inlen);
11 int hmac_done(hmac_state *hmac, unsigned char *out, unsigned long *outlen);
12 int hmac_test(void);
13 int hmac_memory(int hash,
14 const unsigned char *key, unsigned long keylen,
15 const unsigned char *in, unsigned long inlen,
16 unsigned char *out, unsigned long *outlen);
17 int hmac_memory_multi(int hash,
18 const unsigned char *key, unsigned long keylen,
19 unsigned char *out, unsigned long *outlen,
20 const unsigned char *in, unsigned long inlen, ...);
21 int hmac_file(int hash, const char *fname, const unsigned char *key,
22 unsigned long keylen,
23 unsigned char *dst, unsigned long *dstlen);
24 #endif
25
26 #ifdef LTC_OMAC
27
28 typedef struct {
29 int cipher_idx,
30 buflen,
31 blklen;
32 unsigned char block[MAXBLOCKSIZE],
33 prev[MAXBLOCKSIZE],
34 Lu[2][MAXBLOCKSIZE];
35 symmetric_key key;
36 } omac_state;
37
38 int omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned long keylen);
39 int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen);
40 int omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen);
41 int omac_memory(int cipher,
42 const unsigned char *key, unsigned long keylen,
43 const unsigned char *in, unsigned long inlen,
44 unsigned char *out, unsigned long *outlen);
45 int omac_memory_multi(int cipher,
46 const unsigned char *key, unsigned long keylen,
47 unsigned char *out, unsigned long *outlen,
48 const unsigned char *in, unsigned long inlen, ...);
49 int omac_file(int cipher,
50 const unsigned char *key, unsigned long keylen,
51 const char *filename,
52 unsigned char *out, unsigned long *outlen);
53 int omac_test(void);
54 #endif /* OMAC */
55
56 #ifdef LTC_PMAC
57
58 typedef struct {
59 unsigned char Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */
60 Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */
61 Lr[MAXBLOCKSIZE], /* L * x^-1 */
62 block[MAXBLOCKSIZE], /* currently accumulated block */
63 checksum[MAXBLOCKSIZE]; /* current checksum */
64
65 symmetric_key key; /* scheduled key for cipher */
66 unsigned long block_index; /* index # for current block */
67 int cipher_idx, /* cipher idx */
68 block_len, /* length of block */
69 buflen; /* number of bytes in the buffer */
70 } pmac_state;
71
72 int pmac_init(pmac_state *pmac, int cipher, const unsigned char *key, unsigned long keylen);
73 int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen);
74 int pmac_done(pmac_state *pmac, unsigned char *out, unsigned long *outlen);
75
76 int pmac_memory(int cipher,
77 const unsigned char *key, unsigned long keylen,
78 const unsigned char *msg, unsigned long msglen,
79 unsigned char *out, unsigned long *outlen);
80
81 int pmac_memory_multi(int cipher,
82 const unsigned char *key, unsigned long keylen,
83 unsigned char *out, unsigned long *outlen,
84 const unsigned char *in, unsigned long inlen, ...);
85
86 int pmac_file(int cipher,
87 const unsigned char *key, unsigned long keylen,
88 const char *filename,
89 unsigned char *out, unsigned long *outlen);
90
91 int pmac_test(void);
92
93 /* internal functions */
94 int pmac_ntz(unsigned long x);
95 void pmac_shift_xor(pmac_state *pmac);
96
97 #endif /* PMAC */
98
99 #ifdef EAX_MODE
100
101 #if !(defined(LTC_OMAC) && defined(LTC_CTR_MODE))
102 #error EAX_MODE requires OMAC and CTR
103 #endif
104
105 typedef struct {
106 unsigned char N[MAXBLOCKSIZE];
107 symmetric_CTR ctr;
108 omac_state headeromac, ctomac;
109 } eax_state;
110
111 int eax_init(eax_state *eax, int cipher, const unsigned char *key, unsigned long keylen,
112 const unsigned char *nonce, unsigned long noncelen,
113 const unsigned char *header, unsigned long headerlen);
114
115 int eax_encrypt(eax_state *eax, const unsigned char *pt, unsigned char *ct, unsigned long length);
116 int eax_decrypt(eax_state *eax, const unsigned char *ct, unsigned char *pt, unsigned long length);
117 int eax_addheader(eax_state *eax, const unsigned char *header, unsigned long length);
118 int eax_done(eax_state *eax, unsigned char *tag, unsigned long *taglen);
119
120 int eax_encrypt_authenticate_memory(int cipher,
121 const unsigned char *key, unsigned long keylen,
122 const unsigned char *nonce, unsigned long noncelen,
123 const unsigned char *header, unsigned long headerlen,
124 const unsigned char *pt, unsigned long ptlen,
125 unsigned char *ct,
126 unsigned char *tag, unsigned long *taglen);
127
128 int eax_decrypt_verify_memory(int cipher,
129 const unsigned char *key, unsigned long keylen,
130 const unsigned char *nonce, unsigned long noncelen,
131 const unsigned char *header, unsigned long headerlen,
132 const unsigned char *ct, unsigned long ctlen,
133 unsigned char *pt,
134 unsigned char *tag, unsigned long taglen,
135 int *stat);
136
137 int eax_test(void);
138 #endif /* EAX MODE */
139
140 #ifdef OCB_MODE
141 typedef struct {
142 unsigned char L[MAXBLOCKSIZE], /* L value */
143 Ls[32][MAXBLOCKSIZE], /* L shifted by i bits to the left */
144 Li[MAXBLOCKSIZE], /* value of Li [current value, we calc from previous recall] */
145 Lr[MAXBLOCKSIZE], /* L * x^-1 */
146 R[MAXBLOCKSIZE], /* R value */
147 checksum[MAXBLOCKSIZE]; /* current checksum */
148
149 symmetric_key key; /* scheduled key for cipher */
150 unsigned long block_index; /* index # for current block */
151 int cipher, /* cipher idx */
152 block_len; /* length of block */
153 } ocb_state;
154
155 int ocb_init(ocb_state *ocb, int cipher,
156 const unsigned char *key, unsigned long keylen, const unsigned char *nonce);
157
158 int ocb_encrypt(ocb_state *ocb, const unsigned char *pt, unsigned char *ct);
159 int ocb_decrypt(ocb_state *ocb, const unsigned char *ct, unsigned char *pt);
160
161 int ocb_done_encrypt(ocb_state *ocb,
162 const unsigned char *pt, unsigned long ptlen,
163 unsigned char *ct,
164 unsigned char *tag, unsigned long *taglen);
165
166 int ocb_done_decrypt(ocb_state *ocb,
167 const unsigned char *ct, unsigned long ctlen,
168 unsigned char *pt,
169 const unsigned char *tag, unsigned long taglen, int *stat);
170
171 int ocb_encrypt_authenticate_memory(int cipher,
172 const unsigned char *key, unsigned long keylen,
173 const unsigned char *nonce,
174 const unsigned char *pt, unsigned long ptlen,
175 unsigned char *ct,
176 unsigned char *tag, unsigned long *taglen);
177
178 int ocb_decrypt_verify_memory(int cipher,
179 const unsigned char *key, unsigned long keylen,
180 const unsigned char *nonce,
181 const unsigned char *ct, unsigned long ctlen,
182 unsigned char *pt,
183 const unsigned char *tag, unsigned long taglen,
184 int *stat);
185
186 int ocb_test(void);
187
188 /* internal functions */
189 void ocb_shift_xor(ocb_state *ocb, unsigned char *Z);
190 int ocb_ntz(unsigned long x);
191 int s_ocb_done(ocb_state *ocb, const unsigned char *pt, unsigned long ptlen,
192 unsigned char *ct, unsigned char *tag, unsigned long *taglen, int mode);
193
194 #endif /* OCB_MODE */
195
196 #ifdef CCM_MODE
197
198 #define CCM_ENCRYPT 0
199 #define CCM_DECRYPT 1
200
201 int ccm_memory(int cipher,
202 const unsigned char *key, unsigned long keylen,
203 symmetric_key *uskey,
204 const unsigned char *nonce, unsigned long noncelen,
205 const unsigned char *header, unsigned long headerlen,
206 unsigned char *pt, unsigned long ptlen,
207 unsigned char *ct,
208 unsigned char *tag, unsigned long *taglen,
209 int direction);
210
211 int ccm_test(void);
212
213 #endif /* CCM_MODE */
214
215 #if defined(LRW_MODE) || defined(GCM_MODE)
216 void gcm_gf_mult(const unsigned char *a, const unsigned char *b, unsigned char *c);
217 #endif
218
219
220 /* table shared between GCM and LRW */
221 #if defined(GCM_TABLES) || defined(LRW_TABLES) || ((defined(GCM_MODE) || defined(GCM_MODE)) && defined(LTC_FAST))
222 extern const unsigned char gcm_shift_table[];
223 #endif
224
225 #ifdef GCM_MODE
226
227 #define GCM_ENCRYPT 0
228 #define GCM_DECRYPT 1
229
230 #define GCM_MODE_IV 0
231 #define GCM_MODE_AAD 1
232 #define GCM_MODE_TEXT 2
233
234 typedef struct {
235 symmetric_key K;
236 unsigned char H[16], /* multiplier */
237 X[16], /* accumulator */
238 Y[16], /* counter */
239 Y_0[16], /* initial counter */
240 buf[16]; /* buffer for stuff */
241
242 int cipher, /* which cipher */
243 ivmode, /* Which mode is the IV in? */
244 mode, /* mode the GCM code is in */
245 buflen; /* length of data in buf */
246
247 ulong64 totlen, /* 64-bit counter used for IV and AAD */
248 pttotlen; /* 64-bit counter for the PT */
249
250 #ifdef GCM_TABLES
251 unsigned char PC[16][256][16] /* 16 tables of 8x128 */
252 #ifdef GCM_TABLES_SSE2
253 __attribute__ ((aligned (16)))
254 #endif
255 ;
256 #endif
257 } gcm_state;
258
259 void gcm_mult_h(gcm_state *gcm, unsigned char *I);
260
261 int gcm_init(gcm_state *gcm, int cipher,
262 const unsigned char *key, int keylen);
263
264 int gcm_reset(gcm_state *gcm);
265
266 int gcm_add_iv(gcm_state *gcm,
267 const unsigned char *IV, unsigned long IVlen);
268
269 int gcm_add_aad(gcm_state *gcm,
270 const unsigned char *adata, unsigned long adatalen);
271
272 int gcm_process(gcm_state *gcm,
273 unsigned char *pt, unsigned long ptlen,
274 unsigned char *ct,
275 int direction);
276
277 int gcm_done(gcm_state *gcm,
278 unsigned char *tag, unsigned long *taglen);
279
280 int gcm_memory( int cipher,
281 const unsigned char *key, unsigned long keylen,
282 const unsigned char *IV, unsigned long IVlen,
283 const unsigned char *adata, unsigned long adatalen,
284 unsigned char *pt, unsigned long ptlen,
285 unsigned char *ct,
286 unsigned char *tag, unsigned long *taglen,
287 int direction);
288 int gcm_test(void);
289
290 #endif /* GCM_MODE */
291
292 #ifdef PELICAN
293
294 typedef struct pelican_state
295 {
296 symmetric_key K;
297 unsigned char state[16];
298 int buflen;
299 } pelican_state;
300
301 int pelican_init(pelican_state *pelmac, const unsigned char *key, unsigned long keylen);
302 int pelican_process(pelican_state *pelmac, const unsigned char *in, unsigned long inlen);
303 int pelican_done(pelican_state *pelmac, unsigned char *out);
304 int pelican_test(void);
305
306 int pelican_memory(const unsigned char *key, unsigned long keylen,
307 const unsigned char *in, unsigned long inlen,
308 unsigned char *out);
309
310 #endif
311
312 #ifdef LTC_XCBC
313
314 typedef struct {
315 unsigned char K[3][MAXBLOCKSIZE],
316 IV[MAXBLOCKSIZE];
317
318 symmetric_key key;
319
320 int cipher,
321 buflen,
322 blocksize;
323 } xcbc_state;
324
325 int xcbc_init(xcbc_state *xcbc, int cipher, const unsigned char *key, unsigned long keylen);
326 int xcbc_process(xcbc_state *xcbc, const unsigned char *in, unsigned long inlen);
327 int xcbc_done(xcbc_state *xcbc, unsigned char *out, unsigned long *outlen);
328 int xcbc_memory(int cipher,
329 const unsigned char *key, unsigned long keylen,
330 const unsigned char *in, unsigned long inlen,
331 unsigned char *out, unsigned long *outlen);
332 int xcbc_memory_multi(int cipher,
333 const unsigned char *key, unsigned long keylen,
334 unsigned char *out, unsigned long *outlen,
335 const unsigned char *in, unsigned long inlen, ...);
336 int xcbc_file(int cipher,
337 const unsigned char *key, unsigned long keylen,
338 const char *filename,
339 unsigned char *out, unsigned long *outlen);
340 int xcbc_test(void);
341
342 #endif
343
344 #ifdef LTC_F9_MODE
345
346 typedef struct {
347 unsigned char akey[MAXBLOCKSIZE],
348 ACC[MAXBLOCKSIZE],
349 IV[MAXBLOCKSIZE];
350
351 symmetric_key key;
352
353 int cipher,
354 buflen,
355 keylen,
356 blocksize;
357 } f9_state;
358
359 int f9_init(f9_state *f9, int cipher, const unsigned char *key, unsigned long keylen);
360 int f9_process(f9_state *f9, const unsigned char *in, unsigned long inlen);
361 int f9_done(f9_state *f9, unsigned char *out, unsigned long *outlen);
362 int f9_memory(int cipher,
363 const unsigned char *key, unsigned long keylen,
364 const unsigned char *in, unsigned long inlen,
365 unsigned char *out, unsigned long *outlen);
366 int f9_memory_multi(int cipher,
367 const unsigned char *key, unsigned long keylen,
368 unsigned char *out, unsigned long *outlen,
369 const unsigned char *in, unsigned long inlen, ...);
370 int f9_file(int cipher,
371 const unsigned char *key, unsigned long keylen,
372 const char *filename,
373 unsigned char *out, unsigned long *outlen);
374 int f9_test(void);
375
376 #endif
377
378
379 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_mac.h,v $ */
380 /* $Revision: 1.20 $ */
381 /* $Date: 2006/11/08 21:57:04 $ */