summaryrefslogtreecommitdiff
path: root/src/lib/libcrypto/engine/hw_nuron.c
diff options
context:
space:
mode:
authordjm <>2010-10-01 22:59:01 +0000
committerdjm <>2010-10-01 22:59:01 +0000
commitfe047d8b632246cb2db3234a0a4f32e5c318857b (patch)
tree939b752540947d33507b3acc48d76a8bfb7c3dc3 /src/lib/libcrypto/engine/hw_nuron.c
parent2ea67f4aa254b09ded62e6e14fc893bbe6381579 (diff)
downloadopenbsd-fe047d8b632246cb2db3234a0a4f32e5c318857b.tar.gz
openbsd-fe047d8b632246cb2db3234a0a4f32e5c318857b.tar.bz2
openbsd-fe047d8b632246cb2db3234a0a4f32e5c318857b.zip
resolve conflicts, fix local changes
Diffstat (limited to 'src/lib/libcrypto/engine/hw_nuron.c')
-rw-r--r--src/lib/libcrypto/engine/hw_nuron.c418
1 files changed, 0 insertions, 418 deletions
diff --git a/src/lib/libcrypto/engine/hw_nuron.c b/src/lib/libcrypto/engine/hw_nuron.c
deleted file mode 100644
index fb9188bfe5..0000000000
--- a/src/lib/libcrypto/engine/hw_nuron.c
+++ /dev/null
@@ -1,418 +0,0 @@
1/* crypto/engine/hw_nuron.c */
2/* Written by Ben Laurie for the OpenSSL Project, leaning heavily on Geoff
3 * Thorpe's Atalla implementation.
4 */
5/* ====================================================================
6 * Copyright (c) 2000-2001 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * licensing@OpenSSL.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#include <stdio.h>
60#include <openssl/crypto.h>
61#include "cryptlib.h"
62#include <openssl/dso.h>
63#include <openssl/engine.h>
64
65
66#ifndef OPENSSL_NO_HW
67#ifndef OPENSSL_NO_HW_NURON
68
69#define NURON_LIB_NAME "nuron engine"
70#include "hw_nuron_err.c"
71
72static const char *NURON_LIBNAME = NULL;
73static const char *get_NURON_LIBNAME(void)
74 {
75 if(NURON_LIBNAME)
76 return NURON_LIBNAME;
77 return "nuronssl";
78 }
79static void free_NURON_LIBNAME(void)
80 {
81 if(NURON_LIBNAME)
82 OPENSSL_free((void*)NURON_LIBNAME);
83 NURON_LIBNAME = NULL;
84 }
85static long set_NURON_LIBNAME(const char *name)
86 {
87 free_NURON_LIBNAME();
88 return (((NURON_LIBNAME = BUF_strdup(name)) != NULL) ? 1 : 0);
89 }
90static const char *NURON_F1 = "nuron_mod_exp";
91
92/* The definitions for control commands specific to this engine */
93#define NURON_CMD_SO_PATH ENGINE_CMD_BASE
94static const ENGINE_CMD_DEFN nuron_cmd_defns[] = {
95 {NURON_CMD_SO_PATH,
96 "SO_PATH",
97 "Specifies the path to the 'nuronssl' shared library",
98 ENGINE_CMD_FLAG_STRING},
99 {0, NULL, NULL, 0}
100 };
101
102typedef int tfnModExp(BIGNUM *r,const BIGNUM *a,const BIGNUM *p,const BIGNUM *m);
103static tfnModExp *pfnModExp = NULL;
104
105static DSO *pvDSOHandle = NULL;
106
107static int nuron_destroy(ENGINE *e)
108 {
109 free_NURON_LIBNAME();
110 ERR_unload_NURON_strings();
111 return 1;
112 }
113
114static int nuron_init(ENGINE *e)
115 {
116 if(pvDSOHandle != NULL)
117 {
118 NURONerr(NURON_F_NURON_INIT,NURON_R_ALREADY_LOADED);
119 return 0;
120 }
121
122 pvDSOHandle = DSO_load(NULL, get_NURON_LIBNAME(), NULL,
123 DSO_FLAG_NAME_TRANSLATION_EXT_ONLY);
124 if(!pvDSOHandle)
125 {
126 NURONerr(NURON_F_NURON_INIT,NURON_R_DSO_NOT_FOUND);
127 return 0;
128 }
129
130 pfnModExp = (tfnModExp *)DSO_bind_func(pvDSOHandle, NURON_F1);
131 if(!pfnModExp)
132 {
133 NURONerr(NURON_F_NURON_INIT,NURON_R_DSO_FUNCTION_NOT_FOUND);
134 return 0;
135 }
136
137 return 1;
138 }
139
140static int nuron_finish(ENGINE *e)
141 {
142 free_NURON_LIBNAME();
143 if(pvDSOHandle == NULL)
144 {
145 NURONerr(NURON_F_NURON_FINISH,NURON_R_NOT_LOADED);
146 return 0;
147 }
148 if(!DSO_free(pvDSOHandle))
149 {
150 NURONerr(NURON_F_NURON_FINISH,NURON_R_DSO_FAILURE);
151 return 0;
152 }
153 pvDSOHandle=NULL;
154 pfnModExp=NULL;
155 return 1;
156 }
157
158static int nuron_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)())
159 {
160 int initialised = ((pvDSOHandle == NULL) ? 0 : 1);
161 switch(cmd)
162 {
163 case NURON_CMD_SO_PATH:
164 if(p == NULL)
165 {
166 NURONerr(NURON_F_NURON_CTRL,ERR_R_PASSED_NULL_PARAMETER);
167 return 0;
168 }
169 if(initialised)
170 {
171 NURONerr(NURON_F_NURON_CTRL,NURON_R_ALREADY_LOADED);
172 return 0;
173 }
174 return set_NURON_LIBNAME((const char *)p);
175 default:
176 break;
177 }
178 NURONerr(NURON_F_NURON_CTRL,NURON_R_CTRL_COMMAND_NOT_IMPLEMENTED);
179 return 0;
180}
181
182static int nuron_mod_exp(BIGNUM *r,const BIGNUM *a,const BIGNUM *p,
183 const BIGNUM *m,BN_CTX *ctx)
184 {
185 if(!pvDSOHandle)
186 {
187 NURONerr(NURON_F_NURON_MOD_EXP,NURON_R_NOT_LOADED);
188 return 0;
189 }
190 return pfnModExp(r,a,p,m);
191 }
192
193#ifndef OPENSSL_NO_RSA
194static int nuron_rsa_mod_exp(BIGNUM *r0, const BIGNUM *I, RSA *rsa)
195 {
196 return nuron_mod_exp(r0,I,rsa->d,rsa->n,NULL);
197 }
198#endif
199
200#ifndef OPENSSL_NO_DSA
201/* This code was liberated and adapted from the commented-out code in
202 * dsa_ossl.c. Because of the unoptimised form of the Atalla acceleration
203 * (it doesn't have a CRT form for RSA), this function means that an
204 * Atalla system running with a DSA server certificate can handshake
205 * around 5 or 6 times faster/more than an equivalent system running with
206 * RSA. Just check out the "signs" statistics from the RSA and DSA parts
207 * of "openssl speed -engine atalla dsa1024 rsa1024". */
208static int nuron_dsa_mod_exp(DSA *dsa, BIGNUM *rr, BIGNUM *a1,
209 BIGNUM *p1, BIGNUM *a2, BIGNUM *p2, BIGNUM *m,
210 BN_CTX *ctx, BN_MONT_CTX *in_mont)
211 {
212 BIGNUM t;
213 int to_return = 0;
214
215 BN_init(&t);
216 /* let rr = a1 ^ p1 mod m */
217 if (!nuron_mod_exp(rr,a1,p1,m,ctx))
218 goto end;
219 /* let t = a2 ^ p2 mod m */
220 if (!nuron_mod_exp(&t,a2,p2,m,ctx))
221 goto end;
222 /* let rr = rr * t mod m */
223 if (!BN_mod_mul(rr,rr,&t,m,ctx))
224 goto end;
225 to_return = 1;
226end:
227 BN_free(&t);
228 return to_return;
229 }
230
231
232static int nuron_mod_exp_dsa(DSA *dsa, BIGNUM *r, BIGNUM *a,
233 const BIGNUM *p, const BIGNUM *m, BN_CTX *ctx,
234 BN_MONT_CTX *m_ctx)
235 {
236 return nuron_mod_exp(r, a, p, m, ctx);
237 }
238#endif
239
240/* This function is aliased to mod_exp (with the mont stuff dropped). */
241static int nuron_mod_exp_mont(BIGNUM *r, const BIGNUM *a, const BIGNUM *p,
242 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
243 {
244 return nuron_mod_exp(r, a, p, m, ctx);
245 }
246
247#ifndef OPENSSL_NO_DH
248/* This function is aliased to mod_exp (with the dh and mont dropped). */
249static int nuron_mod_exp_dh(const DH *dh, BIGNUM *r,
250 const BIGNUM *a, const BIGNUM *p,
251 const BIGNUM *m, BN_CTX *ctx, BN_MONT_CTX *m_ctx)
252 {
253 return nuron_mod_exp(r, a, p, m, ctx);
254 }
255#endif
256
257#ifndef OPENSSL_NO_RSA
258static RSA_METHOD nuron_rsa =
259 {
260 "Nuron RSA method",
261 NULL,
262 NULL,
263 NULL,
264 NULL,
265 nuron_rsa_mod_exp,
266 nuron_mod_exp_mont,
267 NULL,
268 NULL,
269 0,
270 NULL,
271 NULL,
272 NULL
273 };
274#endif
275
276#ifndef OPENSSL_NO_DSA
277static DSA_METHOD nuron_dsa =
278 {
279 "Nuron DSA method",
280 NULL, /* dsa_do_sign */
281 NULL, /* dsa_sign_setup */
282 NULL, /* dsa_do_verify */
283 nuron_dsa_mod_exp, /* dsa_mod_exp */
284 nuron_mod_exp_dsa, /* bn_mod_exp */
285 NULL, /* init */
286 NULL, /* finish */
287 0, /* flags */
288 NULL /* app_data */
289 };
290#endif
291
292#ifndef OPENSSL_NO_DH
293static DH_METHOD nuron_dh =
294 {
295 "Nuron DH method",
296 NULL,
297 NULL,
298 nuron_mod_exp_dh,
299 NULL,
300 NULL,
301 0,
302 NULL
303 };
304#endif
305
306/* Constants used when creating the ENGINE */
307static const char *engine_nuron_id = "nuron";
308static const char *engine_nuron_name = "Nuron hardware engine support";
309
310/* This internal function is used by ENGINE_nuron() and possibly by the
311 * "dynamic" ENGINE support too */
312static int bind_helper(ENGINE *e)
313 {
314#ifndef OPENSSL_NO_RSA
315 const RSA_METHOD *meth1;
316#endif
317#ifndef OPENSSL_NO_DSA
318 const DSA_METHOD *meth2;
319#endif
320#ifndef OPENSSL_NO_DH
321 const DH_METHOD *meth3;
322#endif
323 if(!ENGINE_set_id(e, engine_nuron_id) ||
324 !ENGINE_set_name(e, engine_nuron_name) ||
325#ifndef OPENSSL_NO_RSA
326 !ENGINE_set_RSA(e, &nuron_rsa) ||
327#endif
328#ifndef OPENSSL_NO_DSA
329 !ENGINE_set_DSA(e, &nuron_dsa) ||
330#endif
331#ifndef OPENSSL_NO_DH
332 !ENGINE_set_DH(e, &nuron_dh) ||
333#endif
334 !ENGINE_set_destroy_function(e, nuron_destroy) ||
335 !ENGINE_set_init_function(e, nuron_init) ||
336 !ENGINE_set_finish_function(e, nuron_finish) ||
337 !ENGINE_set_ctrl_function(e, nuron_ctrl) ||
338 !ENGINE_set_cmd_defns(e, nuron_cmd_defns))
339 return 0;
340
341#ifndef OPENSSL_NO_RSA
342 /* We know that the "PKCS1_SSLeay()" functions hook properly
343 * to the nuron-specific mod_exp and mod_exp_crt so we use
344 * those functions. NB: We don't use ENGINE_openssl() or
345 * anything "more generic" because something like the RSAref
346 * code may not hook properly, and if you own one of these
347 * cards then you have the right to do RSA operations on it
348 * anyway! */
349 meth1=RSA_PKCS1_SSLeay();
350 nuron_rsa.rsa_pub_enc=meth1->rsa_pub_enc;
351 nuron_rsa.rsa_pub_dec=meth1->rsa_pub_dec;
352 nuron_rsa.rsa_priv_enc=meth1->rsa_priv_enc;
353 nuron_rsa.rsa_priv_dec=meth1->rsa_priv_dec;
354#endif
355
356#ifndef OPENSSL_NO_DSA
357 /* Use the DSA_OpenSSL() method and just hook the mod_exp-ish
358 * bits. */
359 meth2=DSA_OpenSSL();
360 nuron_dsa.dsa_do_sign=meth2->dsa_do_sign;
361 nuron_dsa.dsa_sign_setup=meth2->dsa_sign_setup;
362 nuron_dsa.dsa_do_verify=meth2->dsa_do_verify;
363#endif
364
365#ifndef OPENSSL_NO_DH
366 /* Much the same for Diffie-Hellman */
367 meth3=DH_OpenSSL();
368 nuron_dh.generate_key=meth3->generate_key;
369 nuron_dh.compute_key=meth3->compute_key;
370#endif
371
372 /* Ensure the nuron error handling is set up */
373 ERR_load_NURON_strings();
374 return 1;
375 }
376
377#ifndef ENGINE_DYNAMIC_SUPPORT
378static ENGINE *engine_nuron(void)
379 {
380 ENGINE *ret = ENGINE_new();
381 if(!ret)
382 return NULL;
383 if(!bind_helper(ret))
384 {
385 ENGINE_free(ret);
386 return NULL;
387 }
388 return ret;
389 }
390
391void ENGINE_load_nuron(void)
392 {
393 /* Copied from eng_[openssl|dyn].c */
394 ENGINE *toadd = engine_nuron();
395 if(!toadd) return;
396 ENGINE_add(toadd);
397 ENGINE_free(toadd);
398 ERR_clear_error();
399 }
400#endif
401
402/* This stuff is needed if this ENGINE is being compiled into a self-contained
403 * shared-library. */
404#ifdef ENGINE_DYNAMIC_SUPPORT
405static int bind_fn(ENGINE *e, const char *id)
406 {
407 if(id && (strcmp(id, engine_nuron_id) != 0))
408 return 0;
409 if(!bind_helper(e))
410 return 0;
411 return 1;
412 }
413IMPLEMENT_DYNAMIC_CHECK_FN()
414IMPLEMENT_DYNAMIC_BIND_FN(bind_fn)
415#endif /* ENGINE_DYNAMIC_SUPPORT */
416
417#endif /* !OPENSSL_NO_HW_NURON */
418#endif /* !OPENSSL_NO_HW */
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-04-26 13:39:53 +0000