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753a7366ba98c37cc2f13e838af259a42bcadb2c
[BearSSL] / tools / names.c
1 /*
2 * Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 * SOFTWARE.
23 */
24
25 #include "brssl.h"
26 #include "bearssl.h"
27
28 /* see brssl.h */
29 const protocol_version protocol_versions[] = {
30 { "tls10", BR_TLS10, "TLS 1.0" },
31 { "tls11", BR_TLS11, "TLS 1.1" },
32 { "tls12", BR_TLS12, "TLS 1.2" },
33 { NULL, 0, NULL }
34 };
35
36 /* see brssl.h */
37 const hash_function hash_functions[] = {
38 { "md5", &br_md5_vtable, "MD5" },
39 { "sha1", &br_sha1_vtable, "SHA-1" },
40 { "sha224", &br_sha224_vtable, "SHA-224" },
41 { "sha256", &br_sha256_vtable, "SHA-256" },
42 { "sha384", &br_sha384_vtable, "SHA-384" },
43 { "sha512", &br_sha512_vtable, "SHA-512" },
44 { NULL, 0, NULL }
45 };
46
47 /* see brssl.h */
48 const cipher_suite cipher_suites[] = {
49 {
50 "ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256",
51 BR_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
52 REQ_ECDHE_ECDSA | REQ_CHAPOL | REQ_SHA256 | REQ_TLS12,
53 "ECDHE with ECDSA, ChaCha20+Poly1305 encryption (TLS 1.2+)"
54 },
55 {
56 "ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256",
57 BR_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
58 REQ_ECDHE_RSA | REQ_CHAPOL | REQ_SHA256 | REQ_TLS12,
59 "ECDHE with RSA, ChaCha20+Poly1305 encryption (TLS 1.2+)"
60 },
61 {
62 "ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
63 BR_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
64 REQ_ECDHE_ECDSA | REQ_AESGCM | REQ_SHA256 | REQ_TLS12,
65 "ECDHE with ECDSA, AES-128/GCM encryption (TLS 1.2+)"
66 },
67 {
68 "ECDHE_RSA_WITH_AES_128_GCM_SHA256",
69 BR_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
70 REQ_ECDHE_RSA | REQ_AESGCM | REQ_SHA256 | REQ_TLS12,
71 "ECDHE with RSA, AES-128/GCM encryption (TLS 1.2+)"
72 },
73 {
74 "ECDHE_ECDSA_WITH_AES_256_GCM_SHA384",
75 BR_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
76 REQ_ECDHE_ECDSA | REQ_AESGCM | REQ_SHA384 | REQ_TLS12,
77 "ECDHE with ECDSA, AES-256/GCM encryption (TLS 1.2+)"
78 },
79 {
80 "ECDHE_RSA_WITH_AES_256_GCM_SHA384",
81 BR_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
82 REQ_ECDHE_RSA | REQ_AESGCM | REQ_SHA384 | REQ_TLS12,
83 "ECDHE with RSA, AES-256/GCM encryption (TLS 1.2+)"
84 },
85 {
86 "ECDHE_ECDSA_WITH_AES_128_CBC_SHA256",
87 BR_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
88 REQ_ECDHE_ECDSA | REQ_AESCBC | REQ_SHA256 | REQ_TLS12,
89 "ECDHE with ECDSA, AES-128/CBC + SHA-256 (TLS 1.2+)"
90 },
91 {
92 "ECDHE_RSA_WITH_AES_128_CBC_SHA256",
93 BR_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
94 REQ_ECDHE_RSA | REQ_AESCBC | REQ_SHA256 | REQ_TLS12,
95 "ECDHE with RSA, AES-128/CBC + SHA-256 (TLS 1.2+)"
96 },
97 {
98 "ECDHE_ECDSA_WITH_AES_256_CBC_SHA384",
99 BR_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
100 REQ_ECDHE_ECDSA | REQ_AESCBC | REQ_SHA384 | REQ_TLS12,
101 "ECDHE with ECDSA, AES-256/CBC + SHA-384 (TLS 1.2+)"
102 },
103 {
104 "ECDHE_RSA_WITH_AES_256_CBC_SHA384",
105 BR_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
106 REQ_ECDHE_RSA | REQ_AESCBC | REQ_SHA384 | REQ_TLS12,
107 "ECDHE with RSA, AES-256/CBC + SHA-384 (TLS 1.2+)"
108 },
109 {
110 "ECDHE_ECDSA_WITH_AES_128_CBC_SHA",
111 BR_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
112 REQ_ECDHE_ECDSA | REQ_AESCBC | REQ_SHA1,
113 "ECDHE with ECDSA, AES-128/CBC + SHA-1"
114 },
115 {
116 "ECDHE_RSA_WITH_AES_128_CBC_SHA",
117 BR_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
118 REQ_ECDHE_RSA | REQ_AESCBC | REQ_SHA1,
119 "ECDHE with RSA, AES-128/CBC + SHA-1"
120 },
121 {
122 "ECDHE_ECDSA_WITH_AES_256_CBC_SHA",
123 BR_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
124 REQ_ECDHE_ECDSA | REQ_AESCBC | REQ_SHA1,
125 "ECDHE with ECDSA, AES-256/CBC + SHA-1"
126 },
127 {
128 "ECDHE_RSA_WITH_AES_256_CBC_SHA",
129 BR_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
130 REQ_ECDHE_RSA | REQ_AESCBC | REQ_SHA1,
131 "ECDHE with RSA, AES-256/CBC + SHA-1"
132 },
133 {
134 "ECDH_ECDSA_WITH_AES_128_GCM_SHA256",
135 BR_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256,
136 REQ_ECDH | REQ_AESGCM | REQ_SHA256 | REQ_TLS12,
137 "ECDH key exchange (EC cert), AES-128/GCM (TLS 1.2+)"
138 },
139 {
140 "ECDH_RSA_WITH_AES_128_GCM_SHA256",
141 BR_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256,
142 REQ_ECDH | REQ_AESGCM | REQ_SHA256 | REQ_TLS12,
143 "ECDH key exchange (RSA cert), AES-128/GCM (TLS 1.2+)"
144 },
145 {
146 "ECDH_ECDSA_WITH_AES_256_GCM_SHA384",
147 BR_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384,
148 REQ_ECDH | REQ_AESGCM | REQ_SHA384 | REQ_TLS12,
149 "ECDH key exchange (EC cert), AES-256/GCM (TLS 1.2+)"
150 },
151 {
152 "ECDH_RSA_WITH_AES_256_GCM_SHA384",
153 BR_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384,
154 REQ_ECDH | REQ_AESGCM | REQ_SHA384 | REQ_TLS12,
155 "ECDH key exchange (RSA cert), AES-256/GCM (TLS 1.2+)"
156 },
157 {
158 "ECDH_ECDSA_WITH_AES_128_CBC_SHA256",
159 BR_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256,
160 REQ_ECDH | REQ_AESCBC | REQ_SHA256 | REQ_TLS12,
161 "ECDH key exchange (EC cert), AES-128/CBC + HMAC/SHA-256 (TLS 1.2+)"
162 },
163 {
164 "ECDH_RSA_WITH_AES_128_CBC_SHA256",
165 BR_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256,
166 REQ_ECDH | REQ_AESCBC | REQ_SHA256 | REQ_TLS12,
167 "ECDH key exchange (RSA cert), AES-128/CBC + HMAC/SHA-256 (TLS 1.2+)"
168 },
169 {
170 "ECDH_ECDSA_WITH_AES_256_CBC_SHA384",
171 BR_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384,
172 REQ_ECDH | REQ_AESCBC | REQ_SHA384 | REQ_TLS12,
173 "ECDH key exchange (EC cert), AES-256/CBC + HMAC/SHA-384 (TLS 1.2+)"
174 },
175 {
176 "ECDH_RSA_WITH_AES_256_CBC_SHA384",
177 BR_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384,
178 REQ_ECDH | REQ_AESCBC | REQ_SHA384 | REQ_TLS12,
179 "ECDH key exchange (RSA cert), AES-256/CBC + HMAC/SHA-384 (TLS 1.2+)"
180 },
181 {
182 "ECDH_ECDSA_WITH_AES_128_CBC_SHA",
183 BR_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA,
184 REQ_ECDH | REQ_AESCBC | REQ_SHA1,
185 "ECDH key exchange (EC cert), AES-128/CBC + HMAC/SHA-1"
186 },
187 {
188 "ECDH_RSA_WITH_AES_128_CBC_SHA",
189 BR_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA,
190 REQ_ECDH | REQ_AESCBC | REQ_SHA1,
191 "ECDH key exchange (RSA cert), AES-128/CBC + HMAC/SHA-1"
192 },
193 {
194 "ECDH_ECDSA_WITH_AES_256_CBC_SHA",
195 BR_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA,
196 REQ_ECDH | REQ_AESCBC | REQ_SHA1,
197 "ECDH key exchange (EC cert), AES-256/CBC + HMAC/SHA-1"
198 },
199 {
200 "ECDH_RSA_WITH_AES_256_CBC_SHA",
201 BR_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA,
202 REQ_ECDH | REQ_AESCBC | REQ_SHA1,
203 "ECDH key exchange (RSA cert), AES-256/CBC + HMAC/SHA-1"
204 },
205 {
206 "RSA_WITH_AES_128_GCM_SHA256",
207 BR_TLS_RSA_WITH_AES_128_GCM_SHA256,
208 REQ_RSAKEYX | REQ_AESGCM | REQ_SHA256 | REQ_TLS12,
209 "RSA key exchange, AES-128/GCM encryption (TLS 1.2+)"
210 },
211 {
212 "RSA_WITH_AES_256_GCM_SHA384",
213 BR_TLS_RSA_WITH_AES_256_GCM_SHA384,
214 REQ_RSAKEYX | REQ_AESGCM | REQ_SHA384 | REQ_TLS12,
215 "RSA key exchange, AES-256/GCM encryption (TLS 1.2+)"
216 },
217 {
218 "RSA_WITH_AES_128_CBC_SHA256",
219 BR_TLS_RSA_WITH_AES_128_CBC_SHA256,
220 REQ_RSAKEYX | REQ_AESCBC | REQ_SHA256 | REQ_TLS12,
221 "RSA key exchange, AES-128/CBC + HMAC/SHA-256 (TLS 1.2+)"
222 },
223 {
224 "RSA_WITH_AES_256_CBC_SHA256",
225 BR_TLS_RSA_WITH_AES_256_CBC_SHA256,
226 REQ_RSAKEYX | REQ_AESCBC | REQ_SHA256 | REQ_TLS12,
227 "RSA key exchange, AES-256/CBC + HMAC/SHA-256 (TLS 1.2+)"
228 },
229 {
230 "RSA_WITH_AES_128_CBC_SHA",
231 BR_TLS_RSA_WITH_AES_128_CBC_SHA,
232 REQ_RSAKEYX | REQ_AESCBC | REQ_SHA1,
233 "RSA key exchange, AES-128/CBC + HMAC/SHA-1"
234 },
235 {
236 "RSA_WITH_AES_256_CBC_SHA",
237 BR_TLS_RSA_WITH_AES_256_CBC_SHA,
238 REQ_RSAKEYX | REQ_AESCBC | REQ_SHA1,
239 "RSA key exchange, AES-256/CBC + HMAC/SHA-1"
240 },
241 {
242 "ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA",
243 BR_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA,
244 REQ_ECDHE_ECDSA | REQ_3DESCBC | REQ_SHA1,
245 "ECDHE with ECDSA, 3DES/CBC + SHA-1"
246 },
247 {
248 "ECDHE_RSA_WITH_3DES_EDE_CBC_SHA",
249 BR_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
250 REQ_ECDHE_RSA | REQ_3DESCBC | REQ_SHA1,
251 "ECDHE with RSA, 3DES/CBC + SHA-1"
252 },
253 {
254 "ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA",
255 BR_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA,
256 REQ_ECDH | REQ_3DESCBC | REQ_SHA1,
257 "ECDH key exchange (EC cert), 3DES/CBC + HMAC/SHA-1"
258 },
259 {
260 "ECDH_RSA_WITH_3DES_EDE_CBC_SHA",
261 BR_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA,
262 REQ_ECDH | REQ_3DESCBC | REQ_SHA1,
263 "ECDH key exchange (RSA cert), 3DES/CBC + HMAC/SHA-1"
264 },
265 {
266 "RSA_WITH_3DES_EDE_CBC_SHA",
267 BR_TLS_RSA_WITH_3DES_EDE_CBC_SHA,
268 REQ_RSAKEYX | REQ_3DESCBC | REQ_SHA1,
269 "RSA key exchange, 3DES/CBC + HMAC/SHA-1"
270 },
271 { NULL, 0, 0, NULL }
272 };
273
274 static const struct {
275 int id;
276 const char *name;
277 } curves[] = {
278 { BR_EC_sect163k1,
279 "sect163k1" },
280 { BR_EC_sect163r1,
281 "sect163r1" },
282 { BR_EC_sect163r2,
283 "sect163r2" },
284 { BR_EC_sect193r1,
285 "sect193r1" },
286 { BR_EC_sect193r2,
287 "sect193r2" },
288 { BR_EC_sect233k1,
289 "sect233k1" },
290 { BR_EC_sect233r1,
291 "sect233r1" },
292 { BR_EC_sect239k1,
293 "sect239k1" },
294 { BR_EC_sect283k1,
295 "sect283k1" },
296 { BR_EC_sect283r1,
297 "sect283r1" },
298 { BR_EC_sect409k1,
299 "sect409k1" },
300 { BR_EC_sect409r1,
301 "sect409r1" },
302 { BR_EC_sect571k1,
303 "sect571k1" },
304 { BR_EC_sect571r1,
305 "sect571r1" },
306 { BR_EC_secp160k1,
307 "secp160k1" },
308 { BR_EC_secp160r1,
309 "secp160r1" },
310 { BR_EC_secp160r2,
311 "secp160r2" },
312 { BR_EC_secp192k1,
313 "secp192k1" },
314 { BR_EC_secp192r1,
315 "secp192r1" },
316 { BR_EC_secp224k1,
317 "secp224k1" },
318 { BR_EC_secp224r1,
319 "secp224r1" },
320 { BR_EC_secp256k1,
321 "secp256k1" },
322 { BR_EC_secp256r1,
323 "secp256r1 (P-256)" },
324 { BR_EC_secp384r1,
325 "secp384r1 (P-384)" },
326 { BR_EC_secp521r1,
327 "secp521r1 (P-521)" },
328 { BR_EC_brainpoolP256r1,
329 "brainpoolP256r1" },
330 { BR_EC_brainpoolP384r1,
331 "brainpoolP384r1" },
332 { BR_EC_brainpoolP512r1,
333 "brainpoolP512r1" },
334 { BR_EC_curve25519,
335 "Curve25519" },
336 { BR_EC_curve448,
337 "Curve448" },
338 { 0, 0 }
339 };
340
341 static const struct {
342 const char *long_name;
343 const char *short_name;
344 const void *impl;
345 } algo_names[] = {
346 /* Block ciphers */
347 { "aes_big_cbcenc", "big", &br_aes_big_cbcenc_vtable },
348 { "aes_big_cbcdec", "big", &br_aes_big_cbcdec_vtable },
349 { "aes_big_ctr", "big", &br_aes_big_ctr_vtable },
350 { "aes_small_cbcenc", "small", &br_aes_small_cbcenc_vtable },
351 { "aes_small_cbcdec", "small", &br_aes_small_cbcdec_vtable },
352 { "aes_small_ctr", "small", &br_aes_small_ctr_vtable },
353 { "aes_ct_cbcenc", "ct", &br_aes_ct_cbcenc_vtable },
354 { "aes_ct_cbcdec", "ct", &br_aes_ct_cbcdec_vtable },
355 { "aes_ct_ctr", "ct", &br_aes_ct_ctr_vtable },
356 { "aes_ct64_cbcenc", "ct64", &br_aes_ct64_cbcenc_vtable },
357 { "aes_ct64_cbcdec", "ct64", &br_aes_ct64_cbcdec_vtable },
358 { "aes_ct64_ctr", "ct64", &br_aes_ct64_ctr_vtable },
359
360 { "des_tab_cbcenc", "tab", &br_des_tab_cbcenc_vtable },
361 { "des_tab_cbcdec", "tab", &br_des_tab_cbcdec_vtable },
362 { "des_ct_cbcenc", "ct", &br_des_ct_cbcenc_vtable },
363 { "des_ct_cbcdec", "ct", &br_des_ct_cbcdec_vtable },
364
365 { "chacha20_ct", "ct", &br_chacha20_ct_run },
366
367 { "ghash_ctmul", "ctmul", &br_ghash_ctmul },
368 { "ghash_ctmul32", "ctmul32", &br_ghash_ctmul32 },
369 { "ghash_ctmul64", "ctmul64", &br_ghash_ctmul64 },
370
371 { "poly1305_ctmul", "ctmul", &br_poly1305_ctmul_run },
372 { "poly1305_ctmul32", "ctmul32", &br_poly1305_ctmul32_run },
373
374 { "ec_all_m15", "all_m15", &br_ec_all_m15 },
375 { "ec_all_m31", "all_m31", &br_ec_all_m31 },
376 { "ec_c25519_i15", "c25519_i15", &br_ec_c25519_i15 },
377 { "ec_c25519_i31", "c25519_i31", &br_ec_c25519_i31 },
378 { "ec_c25519_m15", "c25519_m15", &br_ec_c25519_m15 },
379 { "ec_c25519_m31", "c25519_m31", &br_ec_c25519_m31 },
380 { "ec_p256_m15", "p256_m15", &br_ec_p256_m15 },
381 { "ec_p256_m31", "p256_m31", &br_ec_p256_m31 },
382 { "ec_prime_i15", "prime_i15", &br_ec_prime_i15 },
383 { "ec_prime_i31", "prime_i31", &br_ec_prime_i31 },
384
385 { "ecdsa_i15_sign_asn1", "i15_asn1", &br_ecdsa_i15_sign_asn1 },
386 { "ecdsa_i15_sign_raw", "i15_raw", &br_ecdsa_i15_sign_raw },
387 { "ecdsa_i31_sign_asn1", "i31_asn1", &br_ecdsa_i31_sign_asn1 },
388 { "ecdsa_i31_sign_raw", "i31_raw", &br_ecdsa_i31_sign_raw },
389 { "ecdsa_i15_vrfy_asn1", "i15_asn1", &br_ecdsa_i15_vrfy_asn1 },
390 { "ecdsa_i15_vrfy_raw", "i15_raw", &br_ecdsa_i15_vrfy_raw },
391 { "ecdsa_i31_vrfy_asn1", "i31_asn1", &br_ecdsa_i31_vrfy_asn1 },
392 { "ecdsa_i31_vrfy_raw", "i31_raw", &br_ecdsa_i31_vrfy_raw },
393
394 { "rsa_i15_pkcs1_sign", "i15", &br_rsa_i15_pkcs1_sign },
395 { "rsa_i31_pkcs1_sign", "i31", &br_rsa_i31_pkcs1_sign },
396 { "rsa_i32_pkcs1_sign", "i32", &br_rsa_i32_pkcs1_sign },
397 { "rsa_i15_pkcs1_vrfy", "i15", &br_rsa_i15_pkcs1_vrfy },
398 { "rsa_i31_pkcs1_vrfy", "i31", &br_rsa_i31_pkcs1_vrfy },
399 { "rsa_i32_pkcs1_vrfy", "i32", &br_rsa_i32_pkcs1_vrfy },
400
401 { 0, 0, 0 }
402 };
403
404 static const struct {
405 const char *long_name;
406 const char *short_name;
407 const void *(*get)(void);
408 } algo_names_dyn[] = {
409 { "aes_x86ni_cbcenc", "x86ni",
410 (const void *(*)(void))&br_aes_x86ni_cbcenc_get_vtable },
411 { "aes_x86ni_cbcdec", "x86ni",
412 (const void *(*)(void))&br_aes_x86ni_cbcdec_get_vtable },
413 { "aes_x86ni_ctr", "x86ni",
414 (const void *(*)(void))&br_aes_x86ni_ctr_get_vtable },
415 { "ghash_pclmul", "pclmul",
416 (const void *(*)(void))&br_ghash_pclmul_get },
417 { 0, 0, 0, }
418 };
419
420 /* see brssl.h */
421 const char *
422 get_algo_name(const void *impl, int long_name)
423 {
424 size_t u;
425
426 for (u = 0; algo_names[u].long_name; u ++) {
427 if (impl == algo_names[u].impl) {
428 return long_name
429 ? algo_names[u].long_name
430 : algo_names[u].short_name;
431 }
432 }
433 for (u = 0; algo_names_dyn[u].long_name; u ++) {
434 if (impl == algo_names_dyn[u].get()) {
435 return long_name
436 ? algo_names_dyn[u].long_name
437 : algo_names_dyn[u].short_name;
438 }
439 }
440 return "UNKNOWN";
441 }
442
443 /* see brssl.h */
444 const char *
445 get_curve_name(int id)
446 {
447 size_t u;
448
449 for (u = 0; curves[u].name; u ++) {
450 if (curves[u].id == id) {
451 return curves[u].name;
452 }
453 }
454 return NULL;
455 }
456
457 /* see brssl.h */
458 int
459 get_curve_name_ext(int id, char *dst, size_t len)
460 {
461 const char *name;
462 char tmp[30];
463 size_t n;
464
465 name = get_curve_name(id);
466 if (name == NULL) {
467 sprintf(tmp, "unknown (%d)", id);
468 name = tmp;
469 }
470 n = 1 + strlen(name);
471 if (n > len) {
472 if (len > 0) {
473 dst[0] = 0;
474 }
475 return -1;
476 }
477 memcpy(dst, name, n);
478 return 0;
479 }
480
481 /* see brssl.h */
482 const char *
483 get_suite_name(unsigned suite)
484 {
485 size_t u;
486
487 for (u = 0; cipher_suites[u].name; u ++) {
488 if (cipher_suites[u].suite == suite) {
489 return cipher_suites[u].name;
490 }
491 }
492 return NULL;
493 }
494
495 /* see brssl.h */
496 int
497 get_suite_name_ext(unsigned suite, char *dst, size_t len)
498 {
499 const char *name;
500 char tmp[30];
501 size_t n;
502
503 name = get_suite_name(suite);
504 if (name == NULL) {
505 sprintf(tmp, "unknown (0x%04X)", suite);
506 name = tmp;
507 }
508 n = 1 + strlen(name);
509 if (n > len) {
510 if (len > 0) {
511 dst[0] = 0;
512 }
513 return -1;
514 }
515 memcpy(dst, name, n);
516 return 0;
517 }
518
519 /* see brssl.h */
520 int
521 uses_ecdhe(unsigned suite)
522 {
523 size_t u;
524
525 for (u = 0; cipher_suites[u].name; u ++) {
526 if (cipher_suites[u].suite == suite) {
527 return (cipher_suites[u].req
528 & (REQ_ECDHE_RSA | REQ_ECDHE_ECDSA)) != 0;
529 }
530 }
531 return 0;
532 }
533
534 /* see brssl.h */
535 void
536 list_names(void)
537 {
538 size_t u;
539
540 printf("Protocol versions:\n");
541 for (u = 0; protocol_versions[u].name; u ++) {
542 printf(" %-8s %s\n",
543 protocol_versions[u].name,
544 protocol_versions[u].comment);
545 }
546 printf("Hash functions:\n");
547 for (u = 0; hash_functions[u].name; u ++) {
548 printf(" %-8s %s\n",
549 hash_functions[u].name,
550 hash_functions[u].comment);
551 }
552 printf("Cipher suites:\n");
553 for (u = 0; cipher_suites[u].name; u ++) {
554 printf(" %s\n %s\n",
555 cipher_suites[u].name,
556 cipher_suites[u].comment);
557 }
558 }
559
560 static int
561 is_ign(int c)
562 {
563 if (c == 0) {
564 return 0;
565 }
566 if (c <= 32 || c == '-' || c == '_' || c == '.'
567 || c == '/' || c == '+' || c == ':')
568 {
569 return 1;
570 }
571 return 0;
572 }
573
574 /*
575 * Get next non-ignored character, normalised:
576 * ASCII letters are converted to lowercase
577 * control characters, space, '-', '_', '.', '/', '+' and ':' are ignored
578 * A terminating zero is returned as 0.
579 */
580 static int
581 next_char(const char **ps, const char *limit)
582 {
583 for (;;) {
584 int c;
585
586 if (*ps == limit) {
587 return 0;
588 }
589 c = *(*ps) ++;
590 if (c == 0) {
591 return 0;
592 }
593 if (c >= 'A' && c <= 'Z') {
594 c += 'a' - 'A';
595 }
596 if (!is_ign(c)) {
597 return c;
598 }
599 }
600 }
601
602 /*
603 * Partial string equality comparison, with normalisation.
604 */
605 static int
606 eqstr_chunk(const char *s1, size_t s1_len, const char *s2, size_t s2_len)
607 {
608 const char *lim1, *lim2;
609
610 lim1 = s1 + s1_len;
611 lim2 = s2 + s2_len;
612 for (;;) {
613 int c1, c2;
614
615 c1 = next_char(&s1, lim1);
616 c2 = next_char(&s2, lim2);
617 if (c1 != c2) {
618 return 0;
619 }
620 if (c1 == 0) {
621 return 1;
622 }
623 }
624 }
625
626 /* see brssl.h */
627 int
628 eqstr(const char *s1, const char *s2)
629 {
630 return eqstr_chunk(s1, strlen(s1), s2, strlen(s2));
631 }
632
633 static int
634 hexval(int c)
635 {
636 if (c >= '0' && c <= '9') {
637 return c - '0';
638 } else if (c >= 'A' && c <= 'F') {
639 return c - 'A' + 10;
640 } else if (c >= 'a' && c <= 'f') {
641 return c - 'a' + 10;
642 } else {
643 return -1;
644 }
645 }
646
647 /* see brssl.h */
648 size_t
649 parse_size(const char *s)
650 {
651 int radix;
652 size_t acc;
653 const char *t;
654
655 t = s;
656 if (t[0] == '0' && (t[1] == 'x' || t[1] == 'X')) {
657 radix = 16;
658 t += 2;
659 } else {
660 radix = 10;
661 }
662 acc = 0;
663 for (;;) {
664 int c, d;
665 size_t z;
666
667 c = *t ++;
668 if (c == 0) {
669 return acc;
670 }
671 d = hexval(c);
672 if (d < 0 || d >= radix) {
673 fprintf(stderr, "ERROR: not a valid digit: '%c'\n", c);
674 return (size_t)-1;
675 }
676 z = acc * (size_t)radix + (size_t)d;
677 if (z < (size_t)d || (z / (size_t)radix) != acc
678 || z == (size_t)-1)
679 {
680 fprintf(stderr, "ERROR: value too large: %s\n", s);
681 return (size_t)-1;
682 }
683 acc = z;
684 }
685 }
686
687 /*
688 * Comma-separated list enumeration. This returns a pointer to the first
689 * word in the string, skipping leading ignored characters. '*len' is
690 * set to the word length (not counting trailing ignored characters).
691 * '*str' is updated to point to immediately after the next comma, or to
692 * the terminating zero, whichever comes first.
693 *
694 * Empty words are skipped. If there is no next non-empty word, then this
695 * function returns NULL and sets *len to 0.
696 */
697 static const char *
698 next_word(const char **str, size_t *len)
699 {
700 int c;
701 const char *begin;
702 size_t u;
703
704 /*
705 * Find next non-ignored character which is not a comma.
706 */
707 for (;;) {
708 c = **str;
709 if (c == 0) {
710 *len = 0;
711 return NULL;
712 }
713 if (!is_ign(c) && c != ',') {
714 break;
715 }
716 (*str) ++;
717 }
718
719 /*
720 * Find next comma or terminator.
721 */
722 begin = *str;
723 for (;;) {
724 c = *(*str);
725 if (c == 0 || c == ',') {
726 break;
727 }
728 (*str) ++;
729 }
730
731 /*
732 * Remove trailing ignored characters.
733 */
734 u = (size_t)(*str - begin);
735 while (u > 0 && is_ign(begin[u - 1])) {
736 u --;
737 }
738 if (c == ',') {
739 (*str) ++;
740 }
741 *len = u;
742 return begin;
743 }
744
745 /* see brssl.h */
746 unsigned
747 parse_version(const char *name, size_t len)
748 {
749 size_t u;
750
751 for (u = 0;; u ++) {
752 const char *ref;
753
754 ref = protocol_versions[u].name;
755 if (ref == NULL) {
756 fprintf(stderr, "ERROR: unrecognised protocol"
757 " version name: '%s'\n", name);
758 return 0;
759 }
760 if (eqstr_chunk(ref, strlen(ref), name, len)) {
761 return protocol_versions[u].version;
762 }
763 }
764 }
765
766 /* see brssl.h */
767 unsigned
768 parse_hash_functions(const char *arg)
769 {
770 unsigned r;
771
772 r = 0;
773 for (;;) {
774 const char *name;
775 size_t len;
776 size_t u;
777
778 name = next_word(&arg, &len);
779 if (name == NULL) {
780 break;
781 }
782 for (u = 0;; u ++) {
783 const char *ref;
784
785 ref = hash_functions[u].name;
786 if (ref == 0) {
787 fprintf(stderr, "ERROR: unrecognised"
788 " hash function name: '");
789 fwrite(name, 1, len, stderr);
790 fprintf(stderr, "'\n");
791 return 0;
792 }
793 if (eqstr_chunk(ref, strlen(ref), name, len)) {
794 int id;
795
796 id = (hash_functions[u].hclass->desc
797 >> BR_HASHDESC_ID_OFF)
798 & BR_HASHDESC_ID_MASK;
799 r |= (unsigned)1 << id;
800 break;
801 }
802 }
803 }
804 if (r == 0) {
805 fprintf(stderr, "ERROR: no hash function name provided\n");
806 }
807 return r;
808 }
809
810 /* see brssl.h */
811 cipher_suite *
812 parse_suites(const char *arg, size_t *num)
813 {
814 VECTOR(cipher_suite) suites = VEC_INIT;
815 cipher_suite *r;
816
817 for (;;) {
818 const char *name;
819 size_t u, len;
820
821 name = next_word(&arg, &len);
822 if (name == NULL) {
823 break;
824 }
825 for (u = 0;; u ++) {
826 const char *ref;
827
828 ref = cipher_suites[u].name;
829 if (ref == NULL) {
830 fprintf(stderr, "ERROR: unrecognised"
831 " cipher suite '");
832 fwrite(name, 1, len, stderr);
833 fprintf(stderr, "'\n");
834 return 0;
835 }
836 if (eqstr_chunk(ref, strlen(ref), name, len)) {
837 VEC_ADD(suites, cipher_suites[u]);
838 break;
839 }
840 }
841 }
842 if (VEC_LEN(suites) == 0) {
843 fprintf(stderr, "ERROR: no cipher suite provided\n");
844 }
845 r = VEC_TOARRAY(suites);
846 *num = VEC_LEN(suites);
847 VEC_CLEAR(suites);
848 return r;
849 }
850
851 /* see brssl.h */
852 const char *
853 ec_curve_name(int curve)
854 {
855 switch (curve) {
856 case BR_EC_sect163k1: return "sect163k1";
857 case BR_EC_sect163r1: return "sect163r1";
858 case BR_EC_sect163r2: return "sect163r2";
859 case BR_EC_sect193r1: return "sect193r1";
860 case BR_EC_sect193r2: return "sect193r2";
861 case BR_EC_sect233k1: return "sect233k1";
862 case BR_EC_sect233r1: return "sect233r1";
863 case BR_EC_sect239k1: return "sect239k1";
864 case BR_EC_sect283k1: return "sect283k1";
865 case BR_EC_sect283r1: return "sect283r1";
866 case BR_EC_sect409k1: return "sect409k1";
867 case BR_EC_sect409r1: return "sect409r1";
868 case BR_EC_sect571k1: return "sect571k1";
869 case BR_EC_sect571r1: return "sect571r1";
870 case BR_EC_secp160k1: return "secp160k1";
871 case BR_EC_secp160r1: return "secp160r1";
872 case BR_EC_secp160r2: return "secp160r2";
873 case BR_EC_secp192k1: return "secp192k1";
874 case BR_EC_secp192r1: return "secp192r1";
875 case BR_EC_secp224k1: return "secp224k1";
876 case BR_EC_secp224r1: return "secp224r1";
877 case BR_EC_secp256k1: return "secp256k1";
878 case BR_EC_secp256r1: return "secp256r1";
879 case BR_EC_secp384r1: return "secp384r1";
880 case BR_EC_secp521r1: return "secp521r1";
881 case BR_EC_brainpoolP256r1: return "brainpoolP256r1";
882 case BR_EC_brainpoolP384r1: return "brainpoolP384r1";
883 case BR_EC_brainpoolP512r1: return "brainpoolP512r1";
884 default:
885 return "unknown";
886 }
887 }
888
889 /* see brssl.h */
890 const char *
891 hash_function_name(int id)
892 {
893 switch (id) {
894 case br_md5sha1_ID: return "MD5+SHA-1";
895 case br_md5_ID: return "MD5";
896 case br_sha1_ID: return "SHA-1";
897 case br_sha224_ID: return "SHA-224";
898 case br_sha256_ID: return "SHA-256";
899 case br_sha384_ID: return "SHA-384";
900 case br_sha512_ID: return "SHA-512";
901 default:
902 return "unknown";
903 }
904 }
The BearSSL library and tools.