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a8bb645236087e27c75566a4e5b42130eec23244
[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_pwr8_cbcenc", "pwr8",
410 (const void *(*)(void))&br_aes_pwr8_cbcenc_get_vtable },
411 { "aes_pwr8_cbcdec", "pwr8",
412 (const void *(*)(void))&br_aes_pwr8_cbcdec_get_vtable },
413 { "aes_pwr8_ctr", "pwr8",
414 (const void *(*)(void))&br_aes_pwr8_ctr_get_vtable },
415 { "aes_x86ni_cbcenc", "x86ni",
416 (const void *(*)(void))&br_aes_x86ni_cbcenc_get_vtable },
417 { "aes_x86ni_cbcdec", "x86ni",
418 (const void *(*)(void))&br_aes_x86ni_cbcdec_get_vtable },
419 { "aes_x86ni_ctr", "x86ni",
420 (const void *(*)(void))&br_aes_x86ni_ctr_get_vtable },
421 { "ghash_pclmul", "pclmul",
422 (const void *(*)(void))&br_ghash_pclmul_get },
423 { "ghash_pwr8", "pwr8",
424 (const void *(*)(void))&br_ghash_pwr8_get },
425 { 0, 0, 0, }
426 };
427
428 /* see brssl.h */
429 const char *
430 get_algo_name(const void *impl, int long_name)
431 {
432 size_t u;
433
434 for (u = 0; algo_names[u].long_name; u ++) {
435 if (impl == algo_names[u].impl) {
436 return long_name
437 ? algo_names[u].long_name
438 : algo_names[u].short_name;
439 }
440 }
441 for (u = 0; algo_names_dyn[u].long_name; u ++) {
442 if (impl == algo_names_dyn[u].get()) {
443 return long_name
444 ? algo_names_dyn[u].long_name
445 : algo_names_dyn[u].short_name;
446 }
447 }
448 return "UNKNOWN";
449 }
450
451 /* see brssl.h */
452 const char *
453 get_curve_name(int id)
454 {
455 size_t u;
456
457 for (u = 0; curves[u].name; u ++) {
458 if (curves[u].id == id) {
459 return curves[u].name;
460 }
461 }
462 return NULL;
463 }
464
465 /* see brssl.h */
466 int
467 get_curve_name_ext(int id, char *dst, size_t len)
468 {
469 const char *name;
470 char tmp[30];
471 size_t n;
472
473 name = get_curve_name(id);
474 if (name == NULL) {
475 sprintf(tmp, "unknown (%d)", id);
476 name = tmp;
477 }
478 n = 1 + strlen(name);
479 if (n > len) {
480 if (len > 0) {
481 dst[0] = 0;
482 }
483 return -1;
484 }
485 memcpy(dst, name, n);
486 return 0;
487 }
488
489 /* see brssl.h */
490 const char *
491 get_suite_name(unsigned suite)
492 {
493 size_t u;
494
495 for (u = 0; cipher_suites[u].name; u ++) {
496 if (cipher_suites[u].suite == suite) {
497 return cipher_suites[u].name;
498 }
499 }
500 return NULL;
501 }
502
503 /* see brssl.h */
504 int
505 get_suite_name_ext(unsigned suite, char *dst, size_t len)
506 {
507 const char *name;
508 char tmp[30];
509 size_t n;
510
511 name = get_suite_name(suite);
512 if (name == NULL) {
513 sprintf(tmp, "unknown (0x%04X)", suite);
514 name = tmp;
515 }
516 n = 1 + strlen(name);
517 if (n > len) {
518 if (len > 0) {
519 dst[0] = 0;
520 }
521 return -1;
522 }
523 memcpy(dst, name, n);
524 return 0;
525 }
526
527 /* see brssl.h */
528 int
529 uses_ecdhe(unsigned suite)
530 {
531 size_t u;
532
533 for (u = 0; cipher_suites[u].name; u ++) {
534 if (cipher_suites[u].suite == suite) {
535 return (cipher_suites[u].req
536 & (REQ_ECDHE_RSA | REQ_ECDHE_ECDSA)) != 0;
537 }
538 }
539 return 0;
540 }
541
542 /* see brssl.h */
543 void
544 list_names(void)
545 {
546 size_t u;
547
548 printf("Protocol versions:\n");
549 for (u = 0; protocol_versions[u].name; u ++) {
550 printf(" %-8s %s\n",
551 protocol_versions[u].name,
552 protocol_versions[u].comment);
553 }
554 printf("Hash functions:\n");
555 for (u = 0; hash_functions[u].name; u ++) {
556 printf(" %-8s %s\n",
557 hash_functions[u].name,
558 hash_functions[u].comment);
559 }
560 printf("Cipher suites:\n");
561 for (u = 0; cipher_suites[u].name; u ++) {
562 printf(" %s\n %s\n",
563 cipher_suites[u].name,
564 cipher_suites[u].comment);
565 }
566 }
567
568 static int
569 is_ign(int c)
570 {
571 if (c == 0) {
572 return 0;
573 }
574 if (c <= 32 || c == '-' || c == '_' || c == '.'
575 || c == '/' || c == '+' || c == ':')
576 {
577 return 1;
578 }
579 return 0;
580 }
581
582 /*
583 * Get next non-ignored character, normalised:
584 * ASCII letters are converted to lowercase
585 * control characters, space, '-', '_', '.', '/', '+' and ':' are ignored
586 * A terminating zero is returned as 0.
587 */
588 static int
589 next_char(const char **ps, const char *limit)
590 {
591 for (;;) {
592 int c;
593
594 if (*ps == limit) {
595 return 0;
596 }
597 c = *(*ps) ++;
598 if (c == 0) {
599 return 0;
600 }
601 if (c >= 'A' && c <= 'Z') {
602 c += 'a' - 'A';
603 }
604 if (!is_ign(c)) {
605 return c;
606 }
607 }
608 }
609
610 /*
611 * Partial string equality comparison, with normalisation.
612 */
613 static int
614 eqstr_chunk(const char *s1, size_t s1_len, const char *s2, size_t s2_len)
615 {
616 const char *lim1, *lim2;
617
618 lim1 = s1 + s1_len;
619 lim2 = s2 + s2_len;
620 for (;;) {
621 int c1, c2;
622
623 c1 = next_char(&s1, lim1);
624 c2 = next_char(&s2, lim2);
625 if (c1 != c2) {
626 return 0;
627 }
628 if (c1 == 0) {
629 return 1;
630 }
631 }
632 }
633
634 /* see brssl.h */
635 int
636 eqstr(const char *s1, const char *s2)
637 {
638 return eqstr_chunk(s1, strlen(s1), s2, strlen(s2));
639 }
640
641 static int
642 hexval(int c)
643 {
644 if (c >= '0' && c <= '9') {
645 return c - '0';
646 } else if (c >= 'A' && c <= 'F') {
647 return c - 'A' + 10;
648 } else if (c >= 'a' && c <= 'f') {
649 return c - 'a' + 10;
650 } else {
651 return -1;
652 }
653 }
654
655 /* see brssl.h */
656 size_t
657 parse_size(const char *s)
658 {
659 int radix;
660 size_t acc;
661 const char *t;
662
663 t = s;
664 if (t[0] == '0' && (t[1] == 'x' || t[1] == 'X')) {
665 radix = 16;
666 t += 2;
667 } else {
668 radix = 10;
669 }
670 acc = 0;
671 for (;;) {
672 int c, d;
673 size_t z;
674
675 c = *t ++;
676 if (c == 0) {
677 return acc;
678 }
679 d = hexval(c);
680 if (d < 0 || d >= radix) {
681 fprintf(stderr, "ERROR: not a valid digit: '%c'\n", c);
682 return (size_t)-1;
683 }
684 z = acc * (size_t)radix + (size_t)d;
685 if (z < (size_t)d || (z / (size_t)radix) != acc
686 || z == (size_t)-1)
687 {
688 fprintf(stderr, "ERROR: value too large: %s\n", s);
689 return (size_t)-1;
690 }
691 acc = z;
692 }
693 }
694
695 /*
696 * Comma-separated list enumeration. This returns a pointer to the first
697 * word in the string, skipping leading ignored characters. '*len' is
698 * set to the word length (not counting trailing ignored characters).
699 * '*str' is updated to point to immediately after the next comma, or to
700 * the terminating zero, whichever comes first.
701 *
702 * Empty words are skipped. If there is no next non-empty word, then this
703 * function returns NULL and sets *len to 0.
704 */
705 static const char *
706 next_word(const char **str, size_t *len)
707 {
708 int c;
709 const char *begin;
710 size_t u;
711
712 /*
713 * Find next non-ignored character which is not a comma.
714 */
715 for (;;) {
716 c = **str;
717 if (c == 0) {
718 *len = 0;
719 return NULL;
720 }
721 if (!is_ign(c) && c != ',') {
722 break;
723 }
724 (*str) ++;
725 }
726
727 /*
728 * Find next comma or terminator.
729 */
730 begin = *str;
731 for (;;) {
732 c = *(*str);
733 if (c == 0 || c == ',') {
734 break;
735 }
736 (*str) ++;
737 }
738
739 /*
740 * Remove trailing ignored characters.
741 */
742 u = (size_t)(*str - begin);
743 while (u > 0 && is_ign(begin[u - 1])) {
744 u --;
745 }
746 if (c == ',') {
747 (*str) ++;
748 }
749 *len = u;
750 return begin;
751 }
752
753 /* see brssl.h */
754 unsigned
755 parse_version(const char *name, size_t len)
756 {
757 size_t u;
758
759 for (u = 0;; u ++) {
760 const char *ref;
761
762 ref = protocol_versions[u].name;
763 if (ref == NULL) {
764 fprintf(stderr, "ERROR: unrecognised protocol"
765 " version name: '%s'\n", name);
766 return 0;
767 }
768 if (eqstr_chunk(ref, strlen(ref), name, len)) {
769 return protocol_versions[u].version;
770 }
771 }
772 }
773
774 /* see brssl.h */
775 unsigned
776 parse_hash_functions(const char *arg)
777 {
778 unsigned r;
779
780 r = 0;
781 for (;;) {
782 const char *name;
783 size_t len;
784 size_t u;
785
786 name = next_word(&arg, &len);
787 if (name == NULL) {
788 break;
789 }
790 for (u = 0;; u ++) {
791 const char *ref;
792
793 ref = hash_functions[u].name;
794 if (ref == 0) {
795 fprintf(stderr, "ERROR: unrecognised"
796 " hash function name: '");
797 fwrite(name, 1, len, stderr);
798 fprintf(stderr, "'\n");
799 return 0;
800 }
801 if (eqstr_chunk(ref, strlen(ref), name, len)) {
802 int id;
803
804 id = (hash_functions[u].hclass->desc
805 >> BR_HASHDESC_ID_OFF)
806 & BR_HASHDESC_ID_MASK;
807 r |= (unsigned)1 << id;
808 break;
809 }
810 }
811 }
812 if (r == 0) {
813 fprintf(stderr, "ERROR: no hash function name provided\n");
814 }
815 return r;
816 }
817
818 /* see brssl.h */
819 cipher_suite *
820 parse_suites(const char *arg, size_t *num)
821 {
822 VECTOR(cipher_suite) suites = VEC_INIT;
823 cipher_suite *r;
824
825 for (;;) {
826 const char *name;
827 size_t u, len;
828
829 name = next_word(&arg, &len);
830 if (name == NULL) {
831 break;
832 }
833 for (u = 0;; u ++) {
834 const char *ref;
835
836 ref = cipher_suites[u].name;
837 if (ref == NULL) {
838 fprintf(stderr, "ERROR: unrecognised"
839 " cipher suite '");
840 fwrite(name, 1, len, stderr);
841 fprintf(stderr, "'\n");
842 return 0;
843 }
844 if (eqstr_chunk(ref, strlen(ref), name, len)) {
845 VEC_ADD(suites, cipher_suites[u]);
846 break;
847 }
848 }
849 }
850 if (VEC_LEN(suites) == 0) {
851 fprintf(stderr, "ERROR: no cipher suite provided\n");
852 }
853 r = VEC_TOARRAY(suites);
854 *num = VEC_LEN(suites);
855 VEC_CLEAR(suites);
856 return r;
857 }
858
859 /* see brssl.h */
860 const char *
861 ec_curve_name(int curve)
862 {
863 switch (curve) {
864 case BR_EC_sect163k1: return "sect163k1";
865 case BR_EC_sect163r1: return "sect163r1";
866 case BR_EC_sect163r2: return "sect163r2";
867 case BR_EC_sect193r1: return "sect193r1";
868 case BR_EC_sect193r2: return "sect193r2";
869 case BR_EC_sect233k1: return "sect233k1";
870 case BR_EC_sect233r1: return "sect233r1";
871 case BR_EC_sect239k1: return "sect239k1";
872 case BR_EC_sect283k1: return "sect283k1";
873 case BR_EC_sect283r1: return "sect283r1";
874 case BR_EC_sect409k1: return "sect409k1";
875 case BR_EC_sect409r1: return "sect409r1";
876 case BR_EC_sect571k1: return "sect571k1";
877 case BR_EC_sect571r1: return "sect571r1";
878 case BR_EC_secp160k1: return "secp160k1";
879 case BR_EC_secp160r1: return "secp160r1";
880 case BR_EC_secp160r2: return "secp160r2";
881 case BR_EC_secp192k1: return "secp192k1";
882 case BR_EC_secp192r1: return "secp192r1";
883 case BR_EC_secp224k1: return "secp224k1";
884 case BR_EC_secp224r1: return "secp224r1";
885 case BR_EC_secp256k1: return "secp256k1";
886 case BR_EC_secp256r1: return "secp256r1";
887 case BR_EC_secp384r1: return "secp384r1";
888 case BR_EC_secp521r1: return "secp521r1";
889 case BR_EC_brainpoolP256r1: return "brainpoolP256r1";
890 case BR_EC_brainpoolP384r1: return "brainpoolP384r1";
891 case BR_EC_brainpoolP512r1: return "brainpoolP512r1";
892 default:
893 return "unknown";
894 }
895 }
896
897 /* see brssl.h */
898 const char *
899 hash_function_name(int id)
900 {
901 switch (id) {
902 case br_md5sha1_ID: return "MD5+SHA-1";
903 case br_md5_ID: return "MD5";
904 case br_sha1_ID: return "SHA-1";
905 case br_sha224_ID: return "SHA-224";
906 case br_sha256_ID: return "SHA-256";
907 case br_sha384_ID: return "SHA-384";
908 case br_sha512_ID: return "SHA-512";
909 default:
910 return "unknown";
911 }
912 }
The BearSSL library and tools.