diff options
Diffstat (limited to 'src/lib/libcrypto/engine/hw_ubsec.c')
-rw-r--r-- | src/lib/libcrypto/engine/hw_ubsec.c | 1061 |
1 files changed, 0 insertions, 1061 deletions
diff --git a/src/lib/libcrypto/engine/hw_ubsec.c b/src/lib/libcrypto/engine/hw_ubsec.c deleted file mode 100644 index 8fb834af31..0000000000 --- a/src/lib/libcrypto/engine/hw_ubsec.c +++ /dev/null | |||
@@ -1,1061 +0,0 @@ | |||
1 | /* crypto/engine/hw_ubsec.c */ | ||
2 | /* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL | ||
3 | * project 2000. | ||
4 | * | ||
5 | * Cloned shamelessly by Joe Tardo. | ||
6 | */ | ||
7 | /* ==================================================================== | ||
8 | * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved. | ||
9 | * | ||
10 | * Redistribution and use in source and binary forms, with or without | ||
11 | * modification, are permitted provided that the following conditions | ||
12 | * are met: | ||
13 | * | ||
14 | * 1. Redistributions of source code must retain the above copyright | ||
15 | * notice, this list of conditions and the following disclaimer. | ||
16 | * | ||
17 | * 2. Redistributions in binary form must reproduce the above copyright | ||
18 | * notice, this list of conditions and the following disclaimer in | ||
19 | * the documentation and/or other materials provided with the | ||
20 | * distribution. | ||
21 | * | ||
22 | * 3. All advertising materials mentioning features or use of this | ||
23 | * software must display the following acknowledgment: | ||
24 | * "This product includes software developed by the OpenSSL Project | ||
25 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
26 | * | ||
27 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
28 | * endorse or promote products derived from this software without | ||
29 | * prior written permission. For written permission, please contact | ||
30 | * licensing@OpenSSL.org. | ||
31 | * | ||
32 | * 5. Products derived from this software may not be called "OpenSSL" | ||
33 | * nor may "OpenSSL" appear in their names without prior written | ||
34 | * permission of the OpenSSL Project. | ||
35 | * | ||
36 | * 6. Redistributions of any form whatsoever must retain the following | ||
37 | * acknowledgment: | ||
38 | * "This product includes software developed by the OpenSSL Project | ||
39 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
40 | * | ||
41 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
42 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
44 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
45 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
46 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
47 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
48 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
49 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
50 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
51 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
52 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
53 | * ==================================================================== | ||
54 | * | ||
55 | * This product includes cryptographic software written by Eric Young | ||
56 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
57 | * Hudson (tjh@cryptsoft.com). | ||
58 | * | ||
59 | */ | ||
60 | |||
61 | #include <stdio.h> | ||
62 | #include <openssl/crypto.h> | ||
63 | #include "cryptlib.h" | ||
64 | #include <openssl/dso.h> | ||
65 | #include <openssl/engine.h> | ||
66 | |||
67 | #ifndef OPENSSL_NO_HW | ||
68 | #ifndef OPENSSL_NO_HW_UBSEC | ||
69 | |||
70 | #ifdef FLAT_INC | ||
71 | #include "hw_ubsec.h" | ||
72 | #else | ||
73 | #include "vendor_defns/hw_ubsec.h" | ||
74 | #endif | ||
75 | |||
76 | #define UBSEC_LIB_NAME "ubsec engine" | ||
77 | #include "hw_ubsec_err.c" | ||
78 | |||
79 | #define FAIL_TO_SOFTWARE -15 | ||
80 | |||
81 | static int ubsec_destroy(ENGINE *e); | ||
82 | static int ubsec_init(ENGINE *e); | ||
83 | static int ubsec_finish(ENGINE *e); | ||
84 | static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()); | ||
85 | static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, | ||
86 | const BIGNUM *m, BN_CTX *ctx); | ||
87 | static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, | ||
88 | const BIGNUM *q, const BIGNUM *dp, | ||
89 | const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx); | ||
90 | #ifndef OPENSSL_NO_RSA | ||
91 | static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa); | ||
92 | #endif | ||
93 | static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, | ||
94 | const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx); | ||
95 | #ifndef OPENSSL_NO_DSA | ||
96 | #ifdef NOT_USED | ||
97 | static int ubsec_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1, | ||
98 | BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m, | ||
99 | BN_CTX *ctx, BN_MONT_CTX *in_mont); | ||
100 | static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a, | ||
101 | const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, | ||
102 | BN_MONT_CTX *m_ctx); | ||
103 | #endif | ||
104 | static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa); | ||
105 | static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len, | ||
106 | DSA_SIG *sig, DSA *dsa); | ||
107 | #endif | ||
108 | #ifndef OPENSSL_NO_DH | ||
109 | static int ubsec_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, | ||
110 | const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, | ||
111 | BN_MONT_CTX *m_ctx); | ||
112 | static int ubsec_dh_compute_key(unsigned char *key,const BIGNUM *pub_key,DH *dh); | ||
113 | static int ubsec_dh_generate_key(DH *dh); | ||
114 | #endif | ||
115 | |||
116 | #ifdef NOT_USED | ||
117 | static int ubsec_rand_bytes(unsigned char *buf, int num); | ||
118 | static int ubsec_rand_status(void); | ||
119 | #endif | ||
120 | |||
121 | #define UBSEC_CMD_SO_PATH ENGINE_CMD_BASE | ||
122 | static const ENGINE_CMD_DEFN ubsec_cmd_defns[] = { | ||
123 | {UBSEC_CMD_SO_PATH, | ||
124 | "SO_PATH", | ||
125 | "Specifies the path to the 'ubsec' shared library", | ||
126 | ENGINE_CMD_FLAG_STRING}, | ||
127 | {0, NULL, NULL, 0} | ||
128 | }; | ||
129 | |||
130 | #ifndef OPENSSL_NO_RSA | ||
131 | /* Our internal RSA_METHOD that we provide pointers to */ | ||
132 | static RSA_METHOD ubsec_rsa = | ||
133 | { | ||
134 | "UBSEC RSA method", | ||
135 | NULL, | ||
136 | NULL, | ||
137 | NULL, | ||
138 | NULL, | ||
139 | ubsec_rsa_mod_exp, | ||
140 | ubsec_mod_exp_mont, | ||
141 | NULL, | ||
142 | NULL, | ||
143 | 0, | ||
144 | NULL, | ||
145 | NULL, | ||
146 | NULL | ||
147 | }; | ||
148 | #endif | ||
149 | |||
150 | #ifndef OPENSSL_NO_DSA | ||
151 | /* Our internal DSA_METHOD that we provide pointers to */ | ||
152 | static DSA_METHOD ubsec_dsa = | ||
153 | { | ||
154 | "UBSEC DSA method", | ||
155 | ubsec_dsa_do_sign, /* dsa_do_sign */ | ||
156 | NULL, /* dsa_sign_setup */ | ||
157 | ubsec_dsa_verify, /* dsa_do_verify */ | ||
158 | NULL, /* ubsec_dsa_mod_exp */ /* dsa_mod_exp */ | ||
159 | NULL, /* ubsec_mod_exp_dsa */ /* bn_mod_exp */ | ||
160 | NULL, /* init */ | ||
161 | NULL, /* finish */ | ||
162 | 0, /* flags */ | ||
163 | NULL /* app_data */ | ||
164 | }; | ||
165 | #endif | ||
166 | |||
167 | #ifndef OPENSSL_NO_DH | ||
168 | /* Our internal DH_METHOD that we provide pointers to */ | ||
169 | static DH_METHOD ubsec_dh = | ||
170 | { | ||
171 | "UBSEC DH method", | ||
172 | ubsec_dh_generate_key, | ||
173 | ubsec_dh_compute_key, | ||
174 | ubsec_mod_exp_dh, | ||
175 | NULL, | ||
176 | NULL, | ||
177 | 0, | ||
178 | NULL | ||
179 | }; | ||
180 | #endif | ||
181 | |||
182 | /* Constants used when creating the ENGINE */ | ||
183 | static const char *engine_ubsec_id = "ubsec"; | ||
184 | static const char *engine_ubsec_name = "UBSEC hardware engine support"; | ||
185 | |||
186 | /* This internal function is used by ENGINE_ubsec() and possibly by the | ||
187 | * "dynamic" ENGINE support too */ | ||
188 | static int bind_helper(ENGINE *e) | ||
189 | { | ||
190 | #ifndef OPENSSL_NO_RSA | ||
191 | const RSA_METHOD *meth1; | ||
192 | #endif | ||
193 | #ifndef OPENSSL_NO_DH | ||
194 | #ifndef HAVE_UBSEC_DH | ||
195 | const DH_METHOD *meth3; | ||
196 | #endif /* HAVE_UBSEC_DH */ | ||
197 | #endif | ||
198 | if(!ENGINE_set_id(e, engine_ubsec_id) || | ||
199 | !ENGINE_set_name(e, engine_ubsec_name) || | ||
200 | #ifndef OPENSSL_NO_RSA | ||
201 | !ENGINE_set_RSA(e, &ubsec_rsa) || | ||
202 | #endif | ||
203 | #ifndef OPENSSL_NO_DSA | ||
204 | !ENGINE_set_DSA(e, &ubsec_dsa) || | ||
205 | #endif | ||
206 | #ifndef OPENSSL_NO_DH | ||
207 | !ENGINE_set_DH(e, &ubsec_dh) || | ||
208 | #endif | ||
209 | !ENGINE_set_destroy_function(e, ubsec_destroy) || | ||
210 | !ENGINE_set_init_function(e, ubsec_init) || | ||
211 | !ENGINE_set_finish_function(e, ubsec_finish) || | ||
212 | !ENGINE_set_ctrl_function(e, ubsec_ctrl) || | ||
213 | !ENGINE_set_cmd_defns(e, ubsec_cmd_defns)) | ||
214 | return 0; | ||
215 | |||
216 | #ifndef OPENSSL_NO_RSA | ||
217 | /* We know that the "PKCS1_SSLeay()" functions hook properly | ||
218 | * to the Broadcom-specific mod_exp and mod_exp_crt so we use | ||
219 | * those functions. NB: We don't use ENGINE_openssl() or | ||
220 | * anything "more generic" because something like the RSAref | ||
221 | * code may not hook properly, and if you own one of these | ||
222 | * cards then you have the right to do RSA operations on it | ||
223 | * anyway! */ | ||
224 | meth1 = RSA_PKCS1_SSLeay(); | ||
225 | ubsec_rsa.rsa_pub_enc = meth1->rsa_pub_enc; | ||
226 | ubsec_rsa.rsa_pub_dec = meth1->rsa_pub_dec; | ||
227 | ubsec_rsa.rsa_priv_enc = meth1->rsa_priv_enc; | ||
228 | ubsec_rsa.rsa_priv_dec = meth1->rsa_priv_dec; | ||
229 | #endif | ||
230 | |||
231 | #ifndef OPENSSL_NO_DH | ||
232 | #ifndef HAVE_UBSEC_DH | ||
233 | /* Much the same for Diffie-Hellman */ | ||
234 | meth3 = DH_OpenSSL(); | ||
235 | ubsec_dh.generate_key = meth3->generate_key; | ||
236 | ubsec_dh.compute_key = meth3->compute_key; | ||
237 | #endif /* HAVE_UBSEC_DH */ | ||
238 | #endif | ||
239 | |||
240 | /* Ensure the ubsec error handling is set up */ | ||
241 | ERR_load_UBSEC_strings(); | ||
242 | return 1; | ||
243 | } | ||
244 | |||
245 | #ifndef ENGINE_DYNAMIC_SUPPORT | ||
246 | static ENGINE *engine_ubsec(void) | ||
247 | { | ||
248 | ENGINE *ret = ENGINE_new(); | ||
249 | if(!ret) | ||
250 | return NULL; | ||
251 | if(!bind_helper(ret)) | ||
252 | { | ||
253 | ENGINE_free(ret); | ||
254 | return NULL; | ||
255 | } | ||
256 | return ret; | ||
257 | } | ||
258 | |||
259 | void ENGINE_load_ubsec(void) | ||
260 | { | ||
261 | /* Copied from eng_[openssl|dyn].c */ | ||
262 | ENGINE *toadd = engine_ubsec(); | ||
263 | if(!toadd) return; | ||
264 | ENGINE_add(toadd); | ||
265 | ENGINE_free(toadd); | ||
266 | ERR_clear_error(); | ||
267 | } | ||
268 | #endif | ||
269 | |||
270 | /* This is a process-global DSO handle used for loading and unloading | ||
271 | * the UBSEC library. NB: This is only set (or unset) during an | ||
272 | * init() or finish() call (reference counts permitting) and they're | ||
273 | * operating with global locks, so this should be thread-safe | ||
274 | * implicitly. */ | ||
275 | |||
276 | static DSO *ubsec_dso = NULL; | ||
277 | |||
278 | /* These are the function pointers that are (un)set when the library has | ||
279 | * successfully (un)loaded. */ | ||
280 | |||
281 | static t_UBSEC_ubsec_bytes_to_bits *p_UBSEC_ubsec_bytes_to_bits = NULL; | ||
282 | static t_UBSEC_ubsec_bits_to_bytes *p_UBSEC_ubsec_bits_to_bytes = NULL; | ||
283 | static t_UBSEC_ubsec_open *p_UBSEC_ubsec_open = NULL; | ||
284 | static t_UBSEC_ubsec_close *p_UBSEC_ubsec_close = NULL; | ||
285 | #ifndef OPENSSL_NO_DH | ||
286 | static t_UBSEC_diffie_hellman_generate_ioctl | ||
287 | *p_UBSEC_diffie_hellman_generate_ioctl = NULL; | ||
288 | static t_UBSEC_diffie_hellman_agree_ioctl *p_UBSEC_diffie_hellman_agree_ioctl = NULL; | ||
289 | #endif | ||
290 | /* #ifndef OPENSSL_NO_RSA */ | ||
291 | static t_UBSEC_rsa_mod_exp_ioctl *p_UBSEC_rsa_mod_exp_ioctl = NULL; | ||
292 | static t_UBSEC_rsa_mod_exp_crt_ioctl *p_UBSEC_rsa_mod_exp_crt_ioctl = NULL; | ||
293 | /* #endif */ | ||
294 | #ifndef OPENSSL_NO_DSA | ||
295 | static t_UBSEC_dsa_sign_ioctl *p_UBSEC_dsa_sign_ioctl = NULL; | ||
296 | static t_UBSEC_dsa_verify_ioctl *p_UBSEC_dsa_verify_ioctl = NULL; | ||
297 | #endif | ||
298 | static t_UBSEC_math_accelerate_ioctl *p_UBSEC_math_accelerate_ioctl = NULL; | ||
299 | static t_UBSEC_rng_ioctl *p_UBSEC_rng_ioctl = NULL; | ||
300 | static t_UBSEC_max_key_len_ioctl *p_UBSEC_max_key_len_ioctl = NULL; | ||
301 | |||
302 | static int max_key_len = 1024; /* ??? */ | ||
303 | |||
304 | /* | ||
305 | * These are the static string constants for the DSO file name and the function | ||
306 | * symbol names to bind to. | ||
307 | */ | ||
308 | |||
309 | static const char *UBSEC_LIBNAME = NULL; | ||
310 | static const char *get_UBSEC_LIBNAME(void) | ||
311 | { | ||
312 | if(UBSEC_LIBNAME) | ||
313 | return UBSEC_LIBNAME; | ||
314 | return "ubsec"; | ||
315 | } | ||
316 | static void free_UBSEC_LIBNAME(void) | ||
317 | { | ||
318 | if(UBSEC_LIBNAME) | ||
319 | OPENSSL_free((void*)UBSEC_LIBNAME); | ||
320 | UBSEC_LIBNAME = NULL; | ||
321 | } | ||
322 | static long set_UBSEC_LIBNAME(const char *name) | ||
323 | { | ||
324 | free_UBSEC_LIBNAME(); | ||
325 | return (((UBSEC_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0); | ||
326 | } | ||
327 | static const char *UBSEC_F1 = "ubsec_bytes_to_bits"; | ||
328 | static const char *UBSEC_F2 = "ubsec_bits_to_bytes"; | ||
329 | static const char *UBSEC_F3 = "ubsec_open"; | ||
330 | static const char *UBSEC_F4 = "ubsec_close"; | ||
331 | #ifndef OPENSSL_NO_DH | ||
332 | static const char *UBSEC_F5 = "diffie_hellman_generate_ioctl"; | ||
333 | static const char *UBSEC_F6 = "diffie_hellman_agree_ioctl"; | ||
334 | #endif | ||
335 | /* #ifndef OPENSSL_NO_RSA */ | ||
336 | static const char *UBSEC_F7 = "rsa_mod_exp_ioctl"; | ||
337 | static const char *UBSEC_F8 = "rsa_mod_exp_crt_ioctl"; | ||
338 | /* #endif */ | ||
339 | #ifndef OPENSSL_NO_DSA | ||
340 | static const char *UBSEC_F9 = "dsa_sign_ioctl"; | ||
341 | static const char *UBSEC_F10 = "dsa_verify_ioctl"; | ||
342 | #endif | ||
343 | static const char *UBSEC_F11 = "math_accelerate_ioctl"; | ||
344 | static const char *UBSEC_F12 = "rng_ioctl"; | ||
345 | static const char *UBSEC_F13 = "ubsec_max_key_len_ioctl"; | ||
346 | |||
347 | /* Destructor (complements the "ENGINE_ubsec()" constructor) */ | ||
348 | static int ubsec_destroy(ENGINE *e) | ||
349 | { | ||
350 | free_UBSEC_LIBNAME(); | ||
351 | ERR_unload_UBSEC_strings(); | ||
352 | return 1; | ||
353 | } | ||
354 | |||
355 | /* (de)initialisation functions. */ | ||
356 | static int ubsec_init(ENGINE *e) | ||
357 | { | ||
358 | t_UBSEC_ubsec_bytes_to_bits *p1; | ||
359 | t_UBSEC_ubsec_bits_to_bytes *p2; | ||
360 | t_UBSEC_ubsec_open *p3; | ||
361 | t_UBSEC_ubsec_close *p4; | ||
362 | #ifndef OPENSSL_NO_DH | ||
363 | t_UBSEC_diffie_hellman_generate_ioctl *p5; | ||
364 | t_UBSEC_diffie_hellman_agree_ioctl *p6; | ||
365 | #endif | ||
366 | /* #ifndef OPENSSL_NO_RSA */ | ||
367 | t_UBSEC_rsa_mod_exp_ioctl *p7; | ||
368 | t_UBSEC_rsa_mod_exp_crt_ioctl *p8; | ||
369 | /* #endif */ | ||
370 | #ifndef OPENSSL_NO_DSA | ||
371 | t_UBSEC_dsa_sign_ioctl *p9; | ||
372 | t_UBSEC_dsa_verify_ioctl *p10; | ||
373 | #endif | ||
374 | t_UBSEC_math_accelerate_ioctl *p11; | ||
375 | t_UBSEC_rng_ioctl *p12; | ||
376 | t_UBSEC_max_key_len_ioctl *p13; | ||
377 | int fd = 0; | ||
378 | |||
379 | if(ubsec_dso != NULL) | ||
380 | { | ||
381 | UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_ALREADY_LOADED); | ||
382 | goto err; | ||
383 | } | ||
384 | /* | ||
385 | * Attempt to load libubsec.so/ubsec.dll/whatever. | ||
386 | */ | ||
387 | ubsec_dso = DSO_load(NULL, get_UBSEC_LIBNAME(), NULL, 0); | ||
388 | if(ubsec_dso == NULL) | ||
389 | { | ||
390 | UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE); | ||
391 | goto err; | ||
392 | } | ||
393 | |||
394 | if ( | ||
395 | !(p1 = (t_UBSEC_ubsec_bytes_to_bits *) DSO_bind_func(ubsec_dso, UBSEC_F1)) || | ||
396 | !(p2 = (t_UBSEC_ubsec_bits_to_bytes *) DSO_bind_func(ubsec_dso, UBSEC_F2)) || | ||
397 | !(p3 = (t_UBSEC_ubsec_open *) DSO_bind_func(ubsec_dso, UBSEC_F3)) || | ||
398 | !(p4 = (t_UBSEC_ubsec_close *) DSO_bind_func(ubsec_dso, UBSEC_F4)) || | ||
399 | #ifndef OPENSSL_NO_DH | ||
400 | !(p5 = (t_UBSEC_diffie_hellman_generate_ioctl *) | ||
401 | DSO_bind_func(ubsec_dso, UBSEC_F5)) || | ||
402 | !(p6 = (t_UBSEC_diffie_hellman_agree_ioctl *) | ||
403 | DSO_bind_func(ubsec_dso, UBSEC_F6)) || | ||
404 | #endif | ||
405 | /* #ifndef OPENSSL_NO_RSA */ | ||
406 | !(p7 = (t_UBSEC_rsa_mod_exp_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F7)) || | ||
407 | !(p8 = (t_UBSEC_rsa_mod_exp_crt_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F8)) || | ||
408 | /* #endif */ | ||
409 | #ifndef OPENSSL_NO_DSA | ||
410 | !(p9 = (t_UBSEC_dsa_sign_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F9)) || | ||
411 | !(p10 = (t_UBSEC_dsa_verify_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F10)) || | ||
412 | #endif | ||
413 | !(p11 = (t_UBSEC_math_accelerate_ioctl *) | ||
414 | DSO_bind_func(ubsec_dso, UBSEC_F11)) || | ||
415 | !(p12 = (t_UBSEC_rng_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F12)) || | ||
416 | !(p13 = (t_UBSEC_max_key_len_ioctl *) DSO_bind_func(ubsec_dso, UBSEC_F13))) | ||
417 | { | ||
418 | UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_DSO_FAILURE); | ||
419 | goto err; | ||
420 | } | ||
421 | |||
422 | /* Copy the pointers */ | ||
423 | p_UBSEC_ubsec_bytes_to_bits = p1; | ||
424 | p_UBSEC_ubsec_bits_to_bytes = p2; | ||
425 | p_UBSEC_ubsec_open = p3; | ||
426 | p_UBSEC_ubsec_close = p4; | ||
427 | #ifndef OPENSSL_NO_DH | ||
428 | p_UBSEC_diffie_hellman_generate_ioctl = p5; | ||
429 | p_UBSEC_diffie_hellman_agree_ioctl = p6; | ||
430 | #endif | ||
431 | #ifndef OPENSSL_NO_RSA | ||
432 | p_UBSEC_rsa_mod_exp_ioctl = p7; | ||
433 | p_UBSEC_rsa_mod_exp_crt_ioctl = p8; | ||
434 | #endif | ||
435 | #ifndef OPENSSL_NO_DSA | ||
436 | p_UBSEC_dsa_sign_ioctl = p9; | ||
437 | p_UBSEC_dsa_verify_ioctl = p10; | ||
438 | #endif | ||
439 | p_UBSEC_math_accelerate_ioctl = p11; | ||
440 | p_UBSEC_rng_ioctl = p12; | ||
441 | p_UBSEC_max_key_len_ioctl = p13; | ||
442 | |||
443 | /* Perform an open to see if there's actually any unit running. */ | ||
444 | if (((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) > 0) && (p_UBSEC_max_key_len_ioctl(fd, &max_key_len) == 0)) | ||
445 | { | ||
446 | p_UBSEC_ubsec_close(fd); | ||
447 | return 1; | ||
448 | } | ||
449 | else | ||
450 | { | ||
451 | UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE); | ||
452 | } | ||
453 | |||
454 | err: | ||
455 | if(ubsec_dso) | ||
456 | DSO_free(ubsec_dso); | ||
457 | ubsec_dso = NULL; | ||
458 | p_UBSEC_ubsec_bytes_to_bits = NULL; | ||
459 | p_UBSEC_ubsec_bits_to_bytes = NULL; | ||
460 | p_UBSEC_ubsec_open = NULL; | ||
461 | p_UBSEC_ubsec_close = NULL; | ||
462 | #ifndef OPENSSL_NO_DH | ||
463 | p_UBSEC_diffie_hellman_generate_ioctl = NULL; | ||
464 | p_UBSEC_diffie_hellman_agree_ioctl = NULL; | ||
465 | #endif | ||
466 | #ifndef OPENSSL_NO_RSA | ||
467 | p_UBSEC_rsa_mod_exp_ioctl = NULL; | ||
468 | p_UBSEC_rsa_mod_exp_crt_ioctl = NULL; | ||
469 | #endif | ||
470 | #ifndef OPENSSL_NO_DSA | ||
471 | p_UBSEC_dsa_sign_ioctl = NULL; | ||
472 | p_UBSEC_dsa_verify_ioctl = NULL; | ||
473 | #endif | ||
474 | p_UBSEC_math_accelerate_ioctl = NULL; | ||
475 | p_UBSEC_rng_ioctl = NULL; | ||
476 | p_UBSEC_max_key_len_ioctl = NULL; | ||
477 | |||
478 | return 0; | ||
479 | } | ||
480 | |||
481 | static int ubsec_finish(ENGINE *e) | ||
482 | { | ||
483 | free_UBSEC_LIBNAME(); | ||
484 | if(ubsec_dso == NULL) | ||
485 | { | ||
486 | UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_NOT_LOADED); | ||
487 | return 0; | ||
488 | } | ||
489 | if(!DSO_free(ubsec_dso)) | ||
490 | { | ||
491 | UBSECerr(UBSEC_F_UBSEC_FINISH, UBSEC_R_DSO_FAILURE); | ||
492 | return 0; | ||
493 | } | ||
494 | ubsec_dso = NULL; | ||
495 | p_UBSEC_ubsec_bytes_to_bits = NULL; | ||
496 | p_UBSEC_ubsec_bits_to_bytes = NULL; | ||
497 | p_UBSEC_ubsec_open = NULL; | ||
498 | p_UBSEC_ubsec_close = NULL; | ||
499 | #ifndef OPENSSL_NO_DH | ||
500 | p_UBSEC_diffie_hellman_generate_ioctl = NULL; | ||
501 | p_UBSEC_diffie_hellman_agree_ioctl = NULL; | ||
502 | #endif | ||
503 | #ifndef OPENSSL_NO_RSA | ||
504 | p_UBSEC_rsa_mod_exp_ioctl = NULL; | ||
505 | p_UBSEC_rsa_mod_exp_crt_ioctl = NULL; | ||
506 | #endif | ||
507 | #ifndef OPENSSL_NO_DSA | ||
508 | p_UBSEC_dsa_sign_ioctl = NULL; | ||
509 | p_UBSEC_dsa_verify_ioctl = NULL; | ||
510 | #endif | ||
511 | p_UBSEC_math_accelerate_ioctl = NULL; | ||
512 | p_UBSEC_rng_ioctl = NULL; | ||
513 | p_UBSEC_max_key_len_ioctl = NULL; | ||
514 | return 1; | ||
515 | } | ||
516 | |||
517 | static int ubsec_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()) | ||
518 | { | ||
519 | int initialised = ((ubsec_dso == NULL) ? 0 : 1); | ||
520 | switch(cmd) | ||
521 | { | ||
522 | case UBSEC_CMD_SO_PATH: | ||
523 | if(p == NULL) | ||
524 | { | ||
525 | UBSECerr(UBSEC_F_UBSEC_CTRL,ERR_R_PASSED_NULL_PARAMETER); | ||
526 | return 0; | ||
527 | } | ||
528 | if(initialised) | ||
529 | { | ||
530 | UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_ALREADY_LOADED); | ||
531 | return 0; | ||
532 | } | ||
533 | return set_UBSEC_LIBNAME((const char *)p); | ||
534 | default: | ||
535 | break; | ||
536 | } | ||
537 | UBSECerr(UBSEC_F_UBSEC_CTRL,UBSEC_R_CTRL_COMMAND_NOT_IMPLEMENTED); | ||
538 | return 0; | ||
539 | } | ||
540 | |||
541 | static int ubsec_mod_exp(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, | ||
542 | const BIGNUM *m, BN_CTX *ctx) | ||
543 | { | ||
544 | int y_len = 0; | ||
545 | int fd; | ||
546 | |||
547 | if(ubsec_dso == NULL) | ||
548 | { | ||
549 | UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_NOT_LOADED); | ||
550 | return 0; | ||
551 | } | ||
552 | |||
553 | /* Check if hardware can't handle this argument. */ | ||
554 | y_len = BN_num_bits(m); | ||
555 | if (y_len > max_key_len) { | ||
556 | UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL); | ||
557 | return BN_mod_exp(r, a, p, m, ctx); | ||
558 | } | ||
559 | |||
560 | if(!bn_wexpand(r, m->top)) | ||
561 | { | ||
562 | UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_BN_EXPAND_FAIL); | ||
563 | return 0; | ||
564 | } | ||
565 | |||
566 | if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) { | ||
567 | fd = 0; | ||
568 | UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE); | ||
569 | return BN_mod_exp(r, a, p, m, ctx); | ||
570 | } | ||
571 | |||
572 | if (p_UBSEC_rsa_mod_exp_ioctl(fd, (unsigned char *)a->d, BN_num_bits(a), | ||
573 | (unsigned char *)m->d, BN_num_bits(m), (unsigned char *)p->d, | ||
574 | BN_num_bits(p), (unsigned char *)r->d, &y_len) != 0) | ||
575 | { | ||
576 | UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED); | ||
577 | p_UBSEC_ubsec_close(fd); | ||
578 | |||
579 | return BN_mod_exp(r, a, p, m, ctx); | ||
580 | } | ||
581 | |||
582 | p_UBSEC_ubsec_close(fd); | ||
583 | |||
584 | r->top = (BN_num_bits(m)+BN_BITS2-1)/BN_BITS2; | ||
585 | return 1; | ||
586 | } | ||
587 | |||
588 | #ifndef OPENSSL_NO_RSA | ||
589 | static int ubsec_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa) | ||
590 | { | ||
591 | BN_CTX *ctx; | ||
592 | int to_return = 0; | ||
593 | |||
594 | if((ctx = BN_CTX_new()) == NULL) | ||
595 | goto err; | ||
596 | |||
597 | if(!rsa->p || !rsa->q || !rsa->dmp1 || !rsa->dmq1 || !rsa->iqmp) | ||
598 | { | ||
599 | UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP, UBSEC_R_MISSING_KEY_COMPONENTS); | ||
600 | goto err; | ||
601 | } | ||
602 | |||
603 | to_return = ubsec_mod_exp_crt(r0, I, rsa->p, rsa->q, rsa->dmp1, | ||
604 | rsa->dmq1, rsa->iqmp, ctx); | ||
605 | if (to_return == FAIL_TO_SOFTWARE) | ||
606 | { | ||
607 | /* | ||
608 | * Do in software as hardware failed. | ||
609 | */ | ||
610 | const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); | ||
611 | to_return = (*meth->rsa_mod_exp)(r0, I, rsa); | ||
612 | } | ||
613 | err: | ||
614 | if(ctx) | ||
615 | BN_CTX_free(ctx); | ||
616 | return to_return; | ||
617 | } | ||
618 | #endif | ||
619 | |||
620 | static int ubsec_mod_exp_crt(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, | ||
621 | const BIGNUM *q, const BIGNUM *dp, | ||
622 | const BIGNUM *dq, const BIGNUM *qinv, BN_CTX *ctx) | ||
623 | { | ||
624 | int y_len, | ||
625 | m_len, | ||
626 | fd; | ||
627 | |||
628 | m_len = BN_num_bytes(p) + BN_num_bytes(q) + 1; | ||
629 | y_len = BN_num_bits(p) + BN_num_bits(q); | ||
630 | |||
631 | /* Check if hardware can't handle this argument. */ | ||
632 | if (y_len > max_key_len) { | ||
633 | UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_SIZE_TOO_LARGE_OR_TOO_SMALL); | ||
634 | return FAIL_TO_SOFTWARE; | ||
635 | } | ||
636 | |||
637 | if (!bn_wexpand(r, p->top + q->top + 1)) { | ||
638 | UBSECerr(UBSEC_F_UBSEC_RSA_MOD_EXP_CRT, UBSEC_R_BN_EXPAND_FAIL); | ||
639 | return 0; | ||
640 | } | ||
641 | |||
642 | if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) { | ||
643 | fd = 0; | ||
644 | UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE); | ||
645 | return FAIL_TO_SOFTWARE; | ||
646 | } | ||
647 | |||
648 | if (p_UBSEC_rsa_mod_exp_crt_ioctl(fd, | ||
649 | (unsigned char *)a->d, BN_num_bits(a), | ||
650 | (unsigned char *)qinv->d, BN_num_bits(qinv), | ||
651 | (unsigned char *)dp->d, BN_num_bits(dp), | ||
652 | (unsigned char *)p->d, BN_num_bits(p), | ||
653 | (unsigned char *)dq->d, BN_num_bits(dq), | ||
654 | (unsigned char *)q->d, BN_num_bits(q), | ||
655 | (unsigned char *)r->d, &y_len) != 0) { | ||
656 | UBSECerr(UBSEC_F_UBSEC_MOD_EXP, UBSEC_R_REQUEST_FAILED); | ||
657 | p_UBSEC_ubsec_close(fd); | ||
658 | return FAIL_TO_SOFTWARE; | ||
659 | } | ||
660 | |||
661 | p_UBSEC_ubsec_close(fd); | ||
662 | |||
663 | r->top = (BN_num_bits(p) + BN_num_bits(q) + BN_BITS2 - 1)/BN_BITS2; | ||
664 | return 1; | ||
665 | } | ||
666 | |||
667 | #ifndef OPENSSL_NO_DSA | ||
668 | #ifdef NOT_USED | ||
669 | static int ubsec_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1, | ||
670 | BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m, | ||
671 | BN_CTX *ctx, BN_MONT_CTX *in_mont) | ||
672 | { | ||
673 | BIGNUM t; | ||
674 | int to_return = 0; | ||
675 | |||
676 | BN_init(&t); | ||
677 | /* let rr = a1 ^ p1 mod m */ | ||
678 | if (!ubsec_mod_exp(rr,a1,p1,m,ctx)) goto end; | ||
679 | /* let t = a2 ^ p2 mod m */ | ||
680 | if (!ubsec_mod_exp(&t,a2,p2,m,ctx)) goto end; | ||
681 | /* let rr = rr * t mod m */ | ||
682 | if (!BN_mod_mul(rr,rr,&t,m,ctx)) goto end; | ||
683 | to_return = 1; | ||
684 | end: | ||
685 | BN_free(&t); | ||
686 | return to_return; | ||
687 | } | ||
688 | |||
689 | static int ubsec_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a, | ||
690 | const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, | ||
691 | BN_MONT_CTX *m_ctx) | ||
692 | { | ||
693 | return ubsec_mod_exp(r, a, p, m, ctx); | ||
694 | } | ||
695 | #endif | ||
696 | #endif | ||
697 | |||
698 | /* | ||
699 | * This function is aliased to mod_exp (with the mont stuff dropped). | ||
700 | */ | ||
701 | static int ubsec_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, | ||
702 | const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx) | ||
703 | { | ||
704 | int ret = 0; | ||
705 | |||
706 | #ifndef OPENSSL_NO_RSA | ||
707 | /* Do in software if the key is too large for the hardware. */ | ||
708 | if (BN_num_bits(m) > max_key_len) | ||
709 | { | ||
710 | const RSA_METHOD *meth = RSA_PKCS1_SSLeay(); | ||
711 | ret = (*meth->bn_mod_exp)(r, a, p, m, ctx, m_ctx); | ||
712 | } | ||
713 | else | ||
714 | #endif | ||
715 | { | ||
716 | ret = ubsec_mod_exp(r, a, p, m, ctx); | ||
717 | } | ||
718 | |||
719 | return ret; | ||
720 | } | ||
721 | |||
722 | #ifndef OPENSSL_NO_DH | ||
723 | /* This function is aliased to mod_exp (with the dh and mont dropped). */ | ||
724 | static int ubsec_mod_exp_dh(const DH *dh, BIGNUM *r, const BIGNUM *a, | ||
725 | const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx, | ||
726 | BN_MONT_CTX *m_ctx) | ||
727 | { | ||
728 | return ubsec_mod_exp(r, a, p, m, ctx); | ||
729 | } | ||
730 | #endif | ||
731 | |||
732 | #ifndef OPENSSL_NO_DSA | ||
733 | static DSA_SIG *ubsec_dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) | ||
734 | { | ||
735 | DSA_SIG *to_return = NULL; | ||
736 | int s_len = 160, r_len = 160, d_len, fd; | ||
737 | BIGNUM m, *r=NULL, *s=NULL; | ||
738 | |||
739 | BN_init(&m); | ||
740 | |||
741 | s = BN_new(); | ||
742 | r = BN_new(); | ||
743 | if ((s == NULL) || (r==NULL)) | ||
744 | goto err; | ||
745 | |||
746 | d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dlen); | ||
747 | |||
748 | if(!bn_wexpand(r, (160+BN_BITS2-1)/BN_BITS2) || | ||
749 | (!bn_wexpand(s, (160+BN_BITS2-1)/BN_BITS2))) { | ||
750 | UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL); | ||
751 | goto err; | ||
752 | } | ||
753 | |||
754 | if (BN_bin2bn(dgst,dlen,&m) == NULL) { | ||
755 | UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL); | ||
756 | goto err; | ||
757 | } | ||
758 | |||
759 | if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) { | ||
760 | const DSA_METHOD *meth; | ||
761 | fd = 0; | ||
762 | UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE); | ||
763 | meth = DSA_OpenSSL(); | ||
764 | to_return = meth->dsa_do_sign(dgst, dlen, dsa); | ||
765 | goto err; | ||
766 | } | ||
767 | |||
768 | if (p_UBSEC_dsa_sign_ioctl(fd, 0, /* compute hash before signing */ | ||
769 | (unsigned char *)dgst, d_len, | ||
770 | NULL, 0, /* compute random value */ | ||
771 | (unsigned char *)dsa->p->d, BN_num_bits(dsa->p), | ||
772 | (unsigned char *)dsa->q->d, BN_num_bits(dsa->q), | ||
773 | (unsigned char *)dsa->g->d, BN_num_bits(dsa->g), | ||
774 | (unsigned char *)dsa->priv_key->d, BN_num_bits(dsa->priv_key), | ||
775 | (unsigned char *)r->d, &r_len, | ||
776 | (unsigned char *)s->d, &s_len ) != 0) { | ||
777 | const DSA_METHOD *meth; | ||
778 | |||
779 | UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_REQUEST_FAILED); | ||
780 | p_UBSEC_ubsec_close(fd); | ||
781 | meth = DSA_OpenSSL(); | ||
782 | to_return = meth->dsa_do_sign(dgst, dlen, dsa); | ||
783 | |||
784 | goto err; | ||
785 | } | ||
786 | |||
787 | p_UBSEC_ubsec_close(fd); | ||
788 | |||
789 | r->top = (160+BN_BITS2-1)/BN_BITS2; | ||
790 | s->top = (160+BN_BITS2-1)/BN_BITS2; | ||
791 | |||
792 | to_return = DSA_SIG_new(); | ||
793 | if(to_return == NULL) { | ||
794 | UBSECerr(UBSEC_F_UBSEC_DSA_SIGN, UBSEC_R_BN_EXPAND_FAIL); | ||
795 | goto err; | ||
796 | } | ||
797 | |||
798 | to_return->r = r; | ||
799 | to_return->s = s; | ||
800 | |||
801 | err: | ||
802 | if (!to_return) { | ||
803 | if (r) BN_free(r); | ||
804 | if (s) BN_free(s); | ||
805 | } | ||
806 | BN_clear_free(&m); | ||
807 | return to_return; | ||
808 | } | ||
809 | |||
810 | static int ubsec_dsa_verify(const unsigned char *dgst, int dgst_len, | ||
811 | DSA_SIG *sig, DSA *dsa) | ||
812 | { | ||
813 | int v_len, d_len; | ||
814 | int to_return = 0; | ||
815 | int fd; | ||
816 | BIGNUM v; | ||
817 | |||
818 | BN_init(&v); | ||
819 | |||
820 | if(!bn_wexpand(&v, dsa->p->top)) { | ||
821 | UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY ,UBSEC_R_BN_EXPAND_FAIL); | ||
822 | goto err; | ||
823 | } | ||
824 | |||
825 | v_len = BN_num_bits(dsa->p); | ||
826 | |||
827 | d_len = p_UBSEC_ubsec_bytes_to_bits((unsigned char *)dgst, dgst_len); | ||
828 | |||
829 | if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) { | ||
830 | const DSA_METHOD *meth; | ||
831 | fd = 0; | ||
832 | UBSECerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE); | ||
833 | meth = DSA_OpenSSL(); | ||
834 | to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa); | ||
835 | goto err; | ||
836 | } | ||
837 | |||
838 | if (p_UBSEC_dsa_verify_ioctl(fd, 0, /* compute hash before signing */ | ||
839 | (unsigned char *)dgst, d_len, | ||
840 | (unsigned char *)dsa->p->d, BN_num_bits(dsa->p), | ||
841 | (unsigned char *)dsa->q->d, BN_num_bits(dsa->q), | ||
842 | (unsigned char *)dsa->g->d, BN_num_bits(dsa->g), | ||
843 | (unsigned char *)dsa->pub_key->d, BN_num_bits(dsa->pub_key), | ||
844 | (unsigned char *)sig->r->d, BN_num_bits(sig->r), | ||
845 | (unsigned char *)sig->s->d, BN_num_bits(sig->s), | ||
846 | (unsigned char *)v.d, &v_len) != 0) { | ||
847 | const DSA_METHOD *meth; | ||
848 | UBSECerr(UBSEC_F_UBSEC_DSA_VERIFY , UBSEC_R_REQUEST_FAILED); | ||
849 | p_UBSEC_ubsec_close(fd); | ||
850 | |||
851 | meth = DSA_OpenSSL(); | ||
852 | to_return = meth->dsa_do_verify(dgst, dgst_len, sig, dsa); | ||
853 | |||
854 | goto err; | ||
855 | } | ||
856 | |||
857 | p_UBSEC_ubsec_close(fd); | ||
858 | |||
859 | to_return = 1; | ||
860 | err: | ||
861 | BN_clear_free(&v); | ||
862 | return to_return; | ||
863 | } | ||
864 | #endif | ||
865 | |||
866 | #ifndef OPENSSL_NO_DH | ||
867 | static int ubsec_dh_compute_key (unsigned char *key,const BIGNUM *pub_key,DH *dh) | ||
868 | { | ||
869 | int ret = -1, | ||
870 | k_len, | ||
871 | fd; | ||
872 | |||
873 | k_len = BN_num_bits(dh->p); | ||
874 | |||
875 | if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) | ||
876 | { | ||
877 | const DH_METHOD *meth; | ||
878 | ENGINEerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE); | ||
879 | meth = DH_OpenSSL(); | ||
880 | ret = meth->compute_key(key, pub_key, dh); | ||
881 | goto err; | ||
882 | } | ||
883 | |||
884 | if (p_UBSEC_diffie_hellman_agree_ioctl(fd, | ||
885 | (unsigned char *)dh->priv_key->d, BN_num_bits(dh->priv_key), | ||
886 | (unsigned char *)pub_key->d, BN_num_bits(pub_key), | ||
887 | (unsigned char *)dh->p->d, BN_num_bits(dh->p), | ||
888 | key, &k_len) != 0) | ||
889 | { | ||
890 | /* Hardware's a no go, failover to software */ | ||
891 | const DH_METHOD *meth; | ||
892 | ENGINEerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED); | ||
893 | p_UBSEC_ubsec_close(fd); | ||
894 | |||
895 | meth = DH_OpenSSL(); | ||
896 | ret = meth->compute_key(key, pub_key, dh); | ||
897 | |||
898 | goto err; | ||
899 | } | ||
900 | |||
901 | p_UBSEC_ubsec_close(fd); | ||
902 | |||
903 | ret = p_UBSEC_ubsec_bits_to_bytes(k_len); | ||
904 | err: | ||
905 | return ret; | ||
906 | } | ||
907 | |||
908 | static int ubsec_dh_generate_key (DH *dh) | ||
909 | { | ||
910 | int ret = 0, | ||
911 | random_bits = 0, | ||
912 | pub_key_len = 0, | ||
913 | priv_key_len = 0, | ||
914 | fd; | ||
915 | BIGNUM *pub_key = NULL; | ||
916 | BIGNUM *priv_key = NULL; | ||
917 | |||
918 | /* | ||
919 | * How many bits should Random x be? dh_key.c | ||
920 | * sets the range from 0 to num_bits(modulus) ??? | ||
921 | */ | ||
922 | |||
923 | if (dh->priv_key == NULL) | ||
924 | { | ||
925 | priv_key = BN_new(); | ||
926 | if (priv_key == NULL) goto err; | ||
927 | priv_key_len = BN_num_bits(dh->p); | ||
928 | bn_wexpand(priv_key, dh->p->top); | ||
929 | do | ||
930 | if (!BN_rand_range(priv_key, dh->p)) goto err; | ||
931 | while (BN_is_zero(priv_key)); | ||
932 | random_bits = BN_num_bits(priv_key); | ||
933 | } | ||
934 | else | ||
935 | { | ||
936 | priv_key = dh->priv_key; | ||
937 | } | ||
938 | |||
939 | if (dh->pub_key == NULL) | ||
940 | { | ||
941 | pub_key = BN_new(); | ||
942 | pub_key_len = BN_num_bits(dh->p); | ||
943 | bn_wexpand(pub_key, dh->p->top); | ||
944 | if(pub_key == NULL) goto err; | ||
945 | } | ||
946 | else | ||
947 | { | ||
948 | pub_key = dh->pub_key; | ||
949 | } | ||
950 | |||
951 | if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) | ||
952 | { | ||
953 | const DH_METHOD *meth; | ||
954 | ENGINEerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE); | ||
955 | meth = DH_OpenSSL(); | ||
956 | ret = meth->generate_key(dh); | ||
957 | goto err; | ||
958 | } | ||
959 | |||
960 | if (p_UBSEC_diffie_hellman_generate_ioctl(fd, | ||
961 | (unsigned char *)priv_key->d, &priv_key_len, | ||
962 | (unsigned char *)pub_key->d, &pub_key_len, | ||
963 | (unsigned char *)dh->g->d, BN_num_bits(dh->g), | ||
964 | (unsigned char *)dh->p->d, BN_num_bits(dh->p), | ||
965 | 0, 0, random_bits) != 0) | ||
966 | { | ||
967 | /* Hardware's a no go, failover to software */ | ||
968 | const DH_METHOD *meth; | ||
969 | |||
970 | ENGINEerr(UBSEC_F_UBSEC_DH_COMPUTE_KEY, UBSEC_R_REQUEST_FAILED); | ||
971 | p_UBSEC_ubsec_close(fd); | ||
972 | |||
973 | meth = DH_OpenSSL(); | ||
974 | ret = meth->generate_key(dh); | ||
975 | |||
976 | goto err; | ||
977 | } | ||
978 | |||
979 | p_UBSEC_ubsec_close(fd); | ||
980 | |||
981 | dh->pub_key = pub_key; | ||
982 | dh->pub_key->top = (pub_key_len + BN_BITS2-1) / BN_BITS2; | ||
983 | dh->priv_key = priv_key; | ||
984 | dh->priv_key->top = (priv_key_len + BN_BITS2-1) / BN_BITS2; | ||
985 | |||
986 | ret = 1; | ||
987 | err: | ||
988 | return ret; | ||
989 | } | ||
990 | #endif | ||
991 | |||
992 | #ifdef NOT_USED | ||
993 | static int ubsec_rand_bytes(unsigned char * buf, | ||
994 | int num) | ||
995 | { | ||
996 | int ret = 0, | ||
997 | fd; | ||
998 | |||
999 | if ((fd = p_UBSEC_ubsec_open(UBSEC_KEY_DEVICE_NAME)) <= 0) | ||
1000 | { | ||
1001 | const RAND_METHOD *meth; | ||
1002 | ENGINEerr(UBSEC_F_UBSEC_INIT, UBSEC_R_UNIT_FAILURE); | ||
1003 | num = p_UBSEC_ubsec_bits_to_bytes(num); | ||
1004 | meth = RAND_SSLeay(); | ||
1005 | meth->seed(buf, num); | ||
1006 | ret = meth->bytes(buf, num); | ||
1007 | goto err; | ||
1008 | } | ||
1009 | |||
1010 | num *= 8; /* bytes to bits */ | ||
1011 | |||
1012 | if (p_UBSEC_rng_ioctl(fd, | ||
1013 | UBSEC_RNG_DIRECT, | ||
1014 | buf, | ||
1015 | &num) != 0) | ||
1016 | { | ||
1017 | /* Hardware's a no go, failover to software */ | ||
1018 | const RAND_METHOD *meth; | ||
1019 | |||
1020 | ENGINEerr(UBSEC_F_UBSEC_RNG_BYTES, UBSEC_R_REQUEST_FAILED); | ||
1021 | p_UBSEC_ubsec_close(fd); | ||
1022 | |||
1023 | num = p_UBSEC_ubsec_bits_to_bytes(num); | ||
1024 | meth = RAND_SSLeay(); | ||
1025 | meth->seed(buf, num); | ||
1026 | ret = meth->bytes(buf, num); | ||
1027 | |||
1028 | goto err; | ||
1029 | } | ||
1030 | |||
1031 | p_UBSEC_ubsec_close(fd); | ||
1032 | |||
1033 | ret = 1; | ||
1034 | err: | ||
1035 | return(ret); | ||
1036 | } | ||
1037 | |||
1038 | |||
1039 | static int ubsec_rand_status(void) | ||
1040 | { | ||
1041 | return 0; | ||
1042 | } | ||
1043 | #endif | ||
1044 | |||
1045 | /* This stuff is needed if this ENGINE is being compiled into a self-contained | ||
1046 | * shared-library. */ | ||
1047 | #ifdef ENGINE_DYNAMIC_SUPPORT | ||
1048 | static int bind_fn(ENGINE *e, const char *id) | ||
1049 | { | ||
1050 | if(id && (strcmp(id, engine_ubsec_id) != 0)) | ||
1051 | return 0; | ||
1052 | if(!bind_helper(e)) | ||
1053 | return 0; | ||
1054 | return 1; | ||
1055 | } | ||
1056 | IMPLEMENT_DYNAMIC_CHECK_FN() | ||
1057 | IMPLEMENT_DYNAMIC_BIND_FN(bind_fn) | ||
1058 | #endif /* ENGINE_DYNAMIC_SUPPORT */ | ||
1059 | |||
1060 | #endif /* !OPENSSL_NO_HW_UBSEC */ | ||
1061 | #endif /* !OPENSSL_NO_HW */ | ||