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comparison libtomcrypt/src/misc/crypt/crypt_sizes.c @ 1471:6dba84798cd5

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Update to libtomcrypt 1.18.1, merged with Dropbear changes
author Matt Johnston <matt@ucc.asn.au>
date Fri, 09 Feb 2018 21:44:05 +0800
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children e9dba7abd939
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1470:8bba51a55704 1471:6dba84798cd5
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
2 *
3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner.
5 *
6 * The library is free for all purposes without any express
7 * guarantee it works.
8 */
9 #include "tomcrypt.h"
10
11 /**
12 @file crypt_sizes.c
13
14 Make various struct sizes available to dynamic languages
15 like Python - Larry Bugbee, February 2013
16
17 LB - Dec 2013 - revised to include compiler define options
18 */
19
20
21 typedef struct {
22 const char *name;
23 const unsigned int size;
24 } crypt_size;
25
26 #define _SZ_STRINGIFY_S(s) { #s, sizeof(struct s) }
27 #define _SZ_STRINGIFY_T(s) { #s, sizeof(s) }
28
29 static const crypt_size _crypt_sizes[] = {
30 /* hash state sizes */
31 _SZ_STRINGIFY_S(ltc_hash_descriptor),
32 _SZ_STRINGIFY_T(hash_state),
33 #ifdef LTC_CHC_HASH
34 _SZ_STRINGIFY_S(chc_state),
35 #endif
36 #ifdef LTC_WHIRLPOOL
37 _SZ_STRINGIFY_S(whirlpool_state),
38 #endif
39 #ifdef LTC_SHA3
40 _SZ_STRINGIFY_S(sha3_state),
41 #endif
42 #ifdef LTC_SHA512
43 _SZ_STRINGIFY_S(sha512_state),
44 #endif
45 #ifdef LTC_SHA256
46 _SZ_STRINGIFY_S(sha256_state),
47 #endif
48 #ifdef LTC_SHA1
49 _SZ_STRINGIFY_S(sha1_state),
50 #endif
51 #ifdef LTC_MD5
52 _SZ_STRINGIFY_S(md5_state),
53 #endif
54 #ifdef LTC_MD4
55 _SZ_STRINGIFY_S(md4_state),
56 #endif
57 #ifdef LTC_MD2
58 _SZ_STRINGIFY_S(md2_state),
59 #endif
60 #ifdef LTC_TIGER
61 _SZ_STRINGIFY_S(tiger_state),
62 #endif
63 #ifdef LTC_RIPEMD128
64 _SZ_STRINGIFY_S(rmd128_state),
65 #endif
66 #ifdef LTC_RIPEMD160
67 _SZ_STRINGIFY_S(rmd160_state),
68 #endif
69 #ifdef LTC_RIPEMD256
70 _SZ_STRINGIFY_S(rmd256_state),
71 #endif
72 #ifdef LTC_RIPEMD320
73 _SZ_STRINGIFY_S(rmd320_state),
74 #endif
75 #ifdef LTC_BLAKE2S
76 _SZ_STRINGIFY_S(blake2s_state),
77 #endif
78 #ifdef LTC_BLAKE2B
79 _SZ_STRINGIFY_S(blake2b_state),
80 #endif
81
82 /* block cipher key sizes */
83 _SZ_STRINGIFY_S(ltc_cipher_descriptor),
84 _SZ_STRINGIFY_T(symmetric_key),
85 #ifdef LTC_ANUBIS
86 _SZ_STRINGIFY_S(anubis_key),
87 #endif
88 #ifdef LTC_CAMELLIA
89 _SZ_STRINGIFY_S(camellia_key),
90 #endif
91 #ifdef LTC_BLOWFISH
92 _SZ_STRINGIFY_S(blowfish_key),
93 #endif
94 #ifdef LTC_CAST5
95 _SZ_STRINGIFY_S(cast5_key),
96 #endif
97 #ifdef LTC_DES
98 _SZ_STRINGIFY_S(des_key),
99 _SZ_STRINGIFY_S(des3_key),
100 #endif
101 #ifdef LTC_KASUMI
102 _SZ_STRINGIFY_S(kasumi_key),
103 #endif
104 #ifdef LTC_KHAZAD
105 _SZ_STRINGIFY_S(khazad_key),
106 #endif
107 #ifdef LTC_KSEED
108 _SZ_STRINGIFY_S(kseed_key),
109 #endif
110 #ifdef LTC_MULTI2
111 _SZ_STRINGIFY_S(multi2_key),
112 #endif
113 #ifdef LTC_NOEKEON
114 _SZ_STRINGIFY_S(noekeon_key),
115 #endif
116 #ifdef LTC_RC2
117 _SZ_STRINGIFY_S(rc2_key),
118 #endif
119 #ifdef LTC_RC5
120 _SZ_STRINGIFY_S(rc5_key),
121 #endif
122 #ifdef LTC_RC6
123 _SZ_STRINGIFY_S(rc6_key),
124 #endif
125 #ifdef LTC_SKIPJACK
126 _SZ_STRINGIFY_S(skipjack_key),
127 #endif
128 #ifdef LTC_XTEA
129 _SZ_STRINGIFY_S(xtea_key),
130 #endif
131 #ifdef LTC_RIJNDAEL
132 _SZ_STRINGIFY_S(rijndael_key),
133 #endif
134 #ifdef LTC_SAFER
135 _SZ_STRINGIFY_S(safer_key),
136 #endif
137 #ifdef LTC_SAFERP
138 _SZ_STRINGIFY_S(saferp_key),
139 #endif
140 #ifdef LTC_TWOFISH
141 _SZ_STRINGIFY_S(twofish_key),
142 #endif
143
144 /* mode sizes */
145 #ifdef LTC_ECB_MODE
146 _SZ_STRINGIFY_T(symmetric_ECB),
147 #endif
148 #ifdef LTC_CFB_MODE
149 _SZ_STRINGIFY_T(symmetric_CFB),
150 #endif
151 #ifdef LTC_OFB_MODE
152 _SZ_STRINGIFY_T(symmetric_OFB),
153 #endif
154 #ifdef LTC_CBC_MODE
155 _SZ_STRINGIFY_T(symmetric_CBC),
156 #endif
157 #ifdef LTC_CTR_MODE
158 _SZ_STRINGIFY_T(symmetric_CTR),
159 #endif
160 #ifdef LTC_LRW_MODE
161 _SZ_STRINGIFY_T(symmetric_LRW),
162 #endif
163 #ifdef LTC_F8_MODE
164 _SZ_STRINGIFY_T(symmetric_F8),
165 #endif
166 #ifdef LTC_XTS_MODE
167 _SZ_STRINGIFY_T(symmetric_xts),
168 #endif
169
170 /* stream cipher sizes */
171 #ifdef LTC_CHACHA
172 _SZ_STRINGIFY_T(chacha_state),
173 #endif
174 #ifdef LTC_RC4_STREAM
175 _SZ_STRINGIFY_T(rc4_state),
176 #endif
177 #ifdef LTC_SOBER128_STREAM
178 _SZ_STRINGIFY_T(sober128_state),
179 #endif
180
181 /* MAC sizes -- no states for ccm, lrw */
182 #ifdef LTC_HMAC
183 _SZ_STRINGIFY_T(hmac_state),
184 #endif
185 #ifdef LTC_OMAC
186 _SZ_STRINGIFY_T(omac_state),
187 #endif
188 #ifdef LTC_PMAC
189 _SZ_STRINGIFY_T(pmac_state),
190 #endif
191 #ifdef LTC_POLY1305
192 _SZ_STRINGIFY_T(poly1305_state),
193 #endif
194 #ifdef LTC_EAX_MODE
195 _SZ_STRINGIFY_T(eax_state),
196 #endif
197 #ifdef LTC_OCB_MODE
198 _SZ_STRINGIFY_T(ocb_state),
199 #endif
200 #ifdef LTC_OCB3_MODE
201 _SZ_STRINGIFY_T(ocb3_state),
202 #endif
203 #ifdef LTC_CCM_MODE
204 _SZ_STRINGIFY_T(ccm_state),
205 #endif
206 #ifdef LTC_GCM_MODE
207 _SZ_STRINGIFY_T(gcm_state),
208 #endif
209 #ifdef LTC_PELICAN
210 _SZ_STRINGIFY_T(pelican_state),
211 #endif
212 #ifdef LTC_XCBC
213 _SZ_STRINGIFY_T(xcbc_state),
214 #endif
215 #ifdef LTC_F9_MODE
216 _SZ_STRINGIFY_T(f9_state),
217 #endif
218 #ifdef LTC_CHACHA20POLY1305_MODE
219 _SZ_STRINGIFY_T(chacha20poly1305_state),
220 #endif
221
222 /* asymmetric keys */
223 #ifdef LTC_MRSA
224 _SZ_STRINGIFY_T(rsa_key),
225 #endif
226 #ifdef LTC_MDSA
227 _SZ_STRINGIFY_T(dsa_key),
228 #endif
229 #ifdef LTC_MDH
230 _SZ_STRINGIFY_T(dh_key),
231 #endif
232 #ifdef LTC_MECC
233 _SZ_STRINGIFY_T(ltc_ecc_set_type),
234 _SZ_STRINGIFY_T(ecc_point),
235 _SZ_STRINGIFY_T(ecc_key),
236 #endif
237 #ifdef LTC_MKAT
238 _SZ_STRINGIFY_T(katja_key),
239 #endif
240
241 /* DER handling */
242 #ifdef LTC_DER
243 _SZ_STRINGIFY_T(ltc_asn1_list), /* a list entry */
244 _SZ_STRINGIFY_T(ltc_utctime),
245 _SZ_STRINGIFY_T(ltc_generalizedtime),
246 #endif
247
248 /* prng state sizes */
249 _SZ_STRINGIFY_S(ltc_prng_descriptor),
250 _SZ_STRINGIFY_T(prng_state),
251 #ifdef LTC_FORTUNA
252 _SZ_STRINGIFY_S(fortuna_prng),
253 #endif
254 #ifdef LTC_CHACHA20_PRNG
255 _SZ_STRINGIFY_S(chacha20_prng),
256 #endif
257 #ifdef LTC_RC4
258 _SZ_STRINGIFY_S(rc4_prng),
259 #endif
260 #ifdef LTC_SOBER128
261 _SZ_STRINGIFY_S(sober128_prng),
262 #endif
263 #ifdef LTC_YARROW
264 _SZ_STRINGIFY_S(yarrow_prng),
265 #endif
266 /* sprng has no state as it uses other potentially available sources */
267 /* like /dev/random. See Developers Guide for more info. */
268
269 #ifdef LTC_ADLER32
270 _SZ_STRINGIFY_T(adler32_state),
271 #endif
272 #ifdef LTC_CRC32
273 _SZ_STRINGIFY_T(crc32_state),
274 #endif
275
276 _SZ_STRINGIFY_T(ltc_mp_digit),
277 _SZ_STRINGIFY_T(ltc_math_descriptor)
278
279 };
280
281 /* crypt_get_size()
282 * sizeout will be the size (bytes) of the named struct or union
283 * return -1 if named item not found
284 */
285 int crypt_get_size(const char* namein, unsigned int *sizeout) {
286 int i;
287 int count = sizeof(_crypt_sizes) / sizeof(_crypt_sizes[0]);
288 for (i=0; i<count; i++) {
289 if (XSTRCMP(_crypt_sizes[i].name, namein) == 0) {
290 *sizeout = _crypt_sizes[i].size;
291 return 0;
292 }
293 }
294 return -1;
295 }
296
297 /* crypt_list_all_sizes()
298 * if names_list is NULL, names_list_size will be the minimum
299 * size needed to receive the complete names_list
300 * if names_list is NOT NULL, names_list must be the addr with
301 * sufficient memory allocated into which the names_list
302 * is to be written. Also, the value in names_list_size
303 * sets the upper bound of the number of characters to be
304 * written.
305 * a -1 return value signifies insufficient space made available
306 */
307 int crypt_list_all_sizes(char *names_list, unsigned int *names_list_size) {
308 int i;
309 unsigned int total_len = 0;
310 char number[32], *ptr;
311 int number_len;
312 int count = sizeof(_crypt_sizes) / sizeof(_crypt_sizes[0]);
313
314 /* calculate amount of memory required for the list */
315 for (i=0; i<count; i++) {
316 total_len += (unsigned int)strlen(_crypt_sizes[i].name) + 1;
317 /* the above +1 is for the commas */
318 number_len = snprintf(number, sizeof(number), "%u", _crypt_sizes[i].size);
319 if ((number_len < 0) ||
320 ((unsigned int)number_len >= sizeof(number)))
321 return -1;
322 total_len += (unsigned int)strlen(number) + 1;
323 /* this last +1 is for newlines (and ending NULL) */
324 }
325
326 if (names_list == NULL) {
327 *names_list_size = total_len;
328 } else {
329 if (total_len > *names_list_size) {
330 return -1;
331 }
332 /* build the names list */
333 ptr = names_list;
334 for (i=0; i<count; i++) {
335 strcpy(ptr, _crypt_sizes[i].name);
336 ptr += strlen(_crypt_sizes[i].name);
337 strcpy(ptr, ",");
338 ptr += 1;
339
340 number_len = snprintf(number, sizeof(number), "%u", _crypt_sizes[i].size);
341 strcpy(ptr, number);
342 ptr += number_len;
343 strcpy(ptr, "\n");
344 ptr += 1;
345 }
346 /* to remove the trailing new-line */
347 ptr -= 1;
348 *ptr = 0;
349 }
350 return 0;
351 }
352
353
354 /* ref: $Format:%D$ */
355 /* git commit: $Format:%H$ */
356 /* commit time: $Format:%ai$ */