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e172d60d BM |
1 | /* crypto/ecdh/ecdhtest.c */ |
2 | /* ==================================================================== | |
3 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
4 | * | |
5 | * The Elliptic Curve Public-Key Crypto Library (ECC Code) included | |
6 | * herein is developed by SUN MICROSYSTEMS, INC., and is contributed | |
7 | * to the OpenSSL project. | |
8 | * | |
9 | * The ECC Code is licensed pursuant to the OpenSSL open source | |
10 | * license provided below. | |
11 | * | |
e172d60d BM |
12 | * The ECDH software is originally written by Douglas Stebila of |
13 | * Sun Microsystems Laboratories. | |
14 | * | |
15 | */ | |
16 | /* ==================================================================== | |
176f31dd | 17 | * Copyright (c) 1998-2003 The OpenSSL Project. All rights reserved. |
e172d60d BM |
18 | * |
19 | * Redistribution and use in source and binary forms, with or without | |
20 | * modification, are permitted provided that the following conditions | |
21 | * are met: | |
22 | * | |
23 | * 1. Redistributions of source code must retain the above copyright | |
24 | * notice, this list of conditions and the following disclaimer. | |
25 | * | |
26 | * 2. Redistributions in binary form must reproduce the above copyright | |
27 | * notice, this list of conditions and the following disclaimer in | |
28 | * the documentation and/or other materials provided with the | |
29 | * distribution. | |
30 | * | |
31 | * 3. All advertising materials mentioning features or use of this | |
32 | * software must display the following acknowledgment: | |
33 | * "This product includes software developed by the OpenSSL Project | |
34 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
35 | * | |
36 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
37 | * endorse or promote products derived from this software without | |
38 | * prior written permission. For written permission, please contact | |
39 | * openssl-core@openssl.org. | |
40 | * | |
41 | * 5. Products derived from this software may not be called "OpenSSL" | |
42 | * nor may "OpenSSL" appear in their names without prior written | |
43 | * permission of the OpenSSL Project. | |
44 | * | |
45 | * 6. Redistributions of any form whatsoever must retain the following | |
46 | * acknowledgment: | |
47 | * "This product includes software developed by the OpenSSL Project | |
48 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
49 | * | |
50 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
51 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
53 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
54 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
55 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
56 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
57 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
58 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
59 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
60 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
61 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
62 | * ==================================================================== | |
63 | * | |
64 | * This product includes cryptographic software written by Eric Young | |
65 | * (eay@cryptsoft.com). This product includes software written by Tim | |
66 | * Hudson (tjh@cryptsoft.com). | |
67 | * | |
68 | */ | |
69 | ||
70 | #include <stdio.h> | |
71 | #include <stdlib.h> | |
72 | #include <string.h> | |
55f78baf RL |
73 | |
74 | #include "../e_os.h" | |
75 | ||
4913b88f | 76 | #include <openssl/opensslconf.h> /* for OPENSSL_NO_ECDH */ |
e172d60d BM |
77 | #include <openssl/crypto.h> |
78 | #include <openssl/bio.h> | |
79 | #include <openssl/bn.h> | |
e172d60d BM |
80 | #include <openssl/objects.h> |
81 | #include <openssl/rand.h> | |
176f31dd | 82 | #include <openssl/sha.h> |
e172d60d BM |
83 | #include <openssl/err.h> |
84 | ||
85 | #ifdef OPENSSL_NO_ECDH | |
86 | int main(int argc, char *argv[]) | |
87 | { | |
88 | printf("No ECDH support\n"); | |
89 | return(0); | |
90 | } | |
91 | #else | |
4913b88f | 92 | #include <openssl/ec.h> |
e172d60d BM |
93 | #include <openssl/ecdh.h> |
94 | ||
95 | #ifdef OPENSSL_SYS_WIN16 | |
96 | #define MS_CALLBACK _far _loadds | |
97 | #else | |
98 | #define MS_CALLBACK | |
99 | #endif | |
100 | ||
c787525a | 101 | #if 0 |
e172d60d | 102 | static void MS_CALLBACK cb(int p, int n, void *arg); |
c787525a DSH |
103 | #endif |
104 | ||
e172d60d BM |
105 | static const char rnd_seed[] = "string to make the random number generator think it has entropy"; |
106 | ||
176f31dd BM |
107 | |
108 | static const int KDF1_SHA1_len = 20; | |
965a1cb9 | 109 | static void *KDF1_SHA1(const void *in, size_t inlen, void *out, size_t *outlen) |
176f31dd BM |
110 | { |
111 | #ifndef OPENSSL_NO_SHA | |
965a1cb9 | 112 | if (*outlen < SHA_DIGEST_LENGTH) |
176f31dd | 113 | return NULL; |
965a1cb9 NL |
114 | else |
115 | *outlen = SHA_DIGEST_LENGTH; | |
176f31dd BM |
116 | return SHA1(in, inlen, out); |
117 | #else | |
118 | return NULL; | |
119 | #endif | |
120 | } | |
121 | ||
122 | ||
9dd84053 | 123 | static int test_ecdh_curve(int nid, const char *text, BN_CTX *ctx, BIO *out) |
e172d60d BM |
124 | { |
125 | EC_KEY *a=NULL; | |
126 | EC_KEY *b=NULL; | |
e2916b25 BM |
127 | BIGNUM *x_a=NULL, *y_a=NULL, |
128 | *x_b=NULL, *y_b=NULL; | |
e172d60d BM |
129 | char buf[12]; |
130 | unsigned char *abuf=NULL,*bbuf=NULL; | |
131 | int i,alen,blen,aout,bout,ret=0; | |
9dd84053 | 132 | const EC_GROUP *group; |
e172d60d | 133 | |
9dd84053 NL |
134 | a = EC_KEY_new_by_curve_name(nid); |
135 | b = EC_KEY_new_by_curve_name(nid); | |
136 | if (a == NULL || b == NULL) | |
137 | goto err; | |
e172d60d | 138 | |
9dd84053 | 139 | group = EC_KEY_get0_group(a); |
e172d60d | 140 | |
e2916b25 BM |
141 | if ((x_a=BN_new()) == NULL) goto err; |
142 | if ((y_a=BN_new()) == NULL) goto err; | |
143 | if ((x_b=BN_new()) == NULL) goto err; | |
144 | if ((y_b=BN_new()) == NULL) goto err; | |
e172d60d BM |
145 | |
146 | BIO_puts(out,"Testing key generation with "); | |
147 | BIO_puts(out,text); | |
e2916b25 | 148 | #ifdef NOISY |
e172d60d | 149 | BIO_puts(out,"\n"); |
e2916b25 | 150 | #else |
ddb0cb5b | 151 | (void)BIO_flush(out); |
e2916b25 | 152 | #endif |
e172d60d BM |
153 | |
154 | if (!EC_KEY_generate_key(a)) goto err; | |
e2916b25 | 155 | |
9dd84053 | 156 | if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) |
e172d60d | 157 | { |
9dd84053 NL |
158 | if (!EC_POINT_get_affine_coordinates_GFp(group, |
159 | EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; | |
e172d60d BM |
160 | } |
161 | else | |
162 | { | |
9dd84053 NL |
163 | if (!EC_POINT_get_affine_coordinates_GF2m(group, |
164 | EC_KEY_get0_public_key(a), x_a, y_a, ctx)) goto err; | |
e172d60d | 165 | } |
e2916b25 BM |
166 | #ifdef NOISY |
167 | BIO_puts(out," pri 1="); | |
168 | BN_print(out,a->priv_key); | |
169 | BIO_puts(out,"\n pub 1="); | |
170 | BN_print(out,x_a); | |
e172d60d | 171 | BIO_puts(out,","); |
e2916b25 | 172 | BN_print(out,y_a); |
e172d60d | 173 | BIO_puts(out,"\n"); |
e2916b25 BM |
174 | #else |
175 | BIO_printf(out," ."); | |
ddb0cb5b | 176 | (void)BIO_flush(out); |
e2916b25 | 177 | #endif |
e172d60d BM |
178 | |
179 | if (!EC_KEY_generate_key(b)) goto err; | |
e2916b25 | 180 | |
9dd84053 | 181 | if (EC_METHOD_get_field_type(EC_GROUP_method_of(group)) == NID_X9_62_prime_field) |
e172d60d | 182 | { |
9dd84053 NL |
183 | if (!EC_POINT_get_affine_coordinates_GFp(group, |
184 | EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; | |
e172d60d BM |
185 | } |
186 | else | |
187 | { | |
9dd84053 NL |
188 | if (!EC_POINT_get_affine_coordinates_GF2m(group, |
189 | EC_KEY_get0_public_key(b), x_b, y_b, ctx)) goto err; | |
e172d60d | 190 | } |
e2916b25 BM |
191 | |
192 | #ifdef NOISY | |
193 | BIO_puts(out," pri 2="); | |
194 | BN_print(out,b->priv_key); | |
195 | BIO_puts(out,"\n pub 2="); | |
196 | BN_print(out,x_b); | |
e172d60d | 197 | BIO_puts(out,","); |
e2916b25 | 198 | BN_print(out,y_b); |
e172d60d | 199 | BIO_puts(out,"\n"); |
e2916b25 BM |
200 | #else |
201 | BIO_printf(out,"."); | |
ddb0cb5b | 202 | (void)BIO_flush(out); |
e2916b25 | 203 | #endif |
e172d60d | 204 | |
176f31dd | 205 | alen=KDF1_SHA1_len; |
e172d60d | 206 | abuf=(unsigned char *)OPENSSL_malloc(alen); |
9dd84053 | 207 | aout=ECDH_compute_key(abuf,alen,EC_KEY_get0_public_key(b),a,KDF1_SHA1); |
e172d60d | 208 | |
e2916b25 | 209 | #ifdef NOISY |
e172d60d BM |
210 | BIO_puts(out," key1 ="); |
211 | for (i=0; i<aout; i++) | |
212 | { | |
213 | sprintf(buf,"%02X",abuf[i]); | |
214 | BIO_puts(out,buf); | |
215 | } | |
216 | BIO_puts(out,"\n"); | |
e2916b25 BM |
217 | #else |
218 | BIO_printf(out,"."); | |
ddb0cb5b | 219 | (void)BIO_flush(out); |
e2916b25 | 220 | #endif |
e172d60d | 221 | |
176f31dd | 222 | blen=KDF1_SHA1_len; |
e172d60d | 223 | bbuf=(unsigned char *)OPENSSL_malloc(blen); |
9dd84053 | 224 | bout=ECDH_compute_key(bbuf,blen,EC_KEY_get0_public_key(a),b,KDF1_SHA1); |
e172d60d | 225 | |
e2916b25 | 226 | #ifdef NOISY |
e172d60d BM |
227 | BIO_puts(out," key2 ="); |
228 | for (i=0; i<bout; i++) | |
229 | { | |
230 | sprintf(buf,"%02X",bbuf[i]); | |
231 | BIO_puts(out,buf); | |
232 | } | |
233 | BIO_puts(out,"\n"); | |
e2916b25 BM |
234 | #else |
235 | BIO_printf(out,"."); | |
ddb0cb5b | 236 | (void)BIO_flush(out); |
e2916b25 BM |
237 | #endif |
238 | ||
e172d60d BM |
239 | if ((aout < 4) || (bout != aout) || (memcmp(abuf,bbuf,aout) != 0)) |
240 | { | |
e2916b25 | 241 | #ifndef NOISY |
3bd16a89 | 242 | BIO_printf(out, " failed\n\n"); |
e2916b25 BM |
243 | BIO_printf(out, "key a:\n"); |
244 | BIO_printf(out, "private key: "); | |
9dd84053 | 245 | BN_print(out, EC_KEY_get0_private_key(a)); |
e2916b25 BM |
246 | BIO_printf(out, "\n"); |
247 | BIO_printf(out, "public key (x,y): "); | |
248 | BN_print(out, x_a); | |
249 | BIO_printf(out, ","); | |
250 | BN_print(out, y_a); | |
251 | BIO_printf(out, "\nkey b:\n"); | |
252 | BIO_printf(out, "private key: "); | |
9dd84053 | 253 | BN_print(out, EC_KEY_get0_private_key(b)); |
e2916b25 BM |
254 | BIO_printf(out, "\n"); |
255 | BIO_printf(out, "public key (x,y): "); | |
256 | BN_print(out, x_b); | |
257 | BIO_printf(out, ","); | |
258 | BN_print(out, y_b); | |
259 | BIO_printf(out, "\n"); | |
260 | BIO_printf(out, "generated key a: "); | |
261 | for (i=0; i<bout; i++) | |
262 | { | |
263 | sprintf(buf, "%02X", bbuf[i]); | |
264 | BIO_puts(out, buf); | |
265 | } | |
266 | BIO_printf(out, "\n"); | |
267 | BIO_printf(out, "generated key b: "); | |
268 | for (i=0; i<aout; i++) | |
269 | { | |
270 | sprintf(buf, "%02X", abuf[i]); | |
271 | BIO_puts(out,buf); | |
272 | } | |
273 | BIO_printf(out, "\n"); | |
274 | #endif | |
e172d60d BM |
275 | fprintf(stderr,"Error in ECDH routines\n"); |
276 | ret=0; | |
277 | } | |
278 | else | |
e2916b25 BM |
279 | { |
280 | #ifndef NOISY | |
3bd16a89 | 281 | BIO_printf(out, " ok\n"); |
e2916b25 | 282 | #endif |
e172d60d | 283 | ret=1; |
e2916b25 | 284 | } |
e172d60d BM |
285 | err: |
286 | ERR_print_errors_fp(stderr); | |
287 | ||
288 | if (abuf != NULL) OPENSSL_free(abuf); | |
289 | if (bbuf != NULL) OPENSSL_free(bbuf); | |
e2916b25 BM |
290 | if (x_a) BN_free(x_a); |
291 | if (y_a) BN_free(y_a); | |
292 | if (x_b) BN_free(x_b); | |
293 | if (y_b) BN_free(y_b); | |
e172d60d BM |
294 | if (b) EC_KEY_free(b); |
295 | if (a) EC_KEY_free(a); | |
296 | return(ret); | |
297 | } | |
298 | ||
299 | int main(int argc, char *argv[]) | |
300 | { | |
301 | BN_CTX *ctx=NULL; | |
302 | int ret=1; | |
303 | BIO *out; | |
304 | ||
305 | CRYPTO_malloc_debug_init(); | |
306 | CRYPTO_dbg_set_options(V_CRYPTO_MDEBUG_ALL); | |
307 | CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON); | |
308 | ||
309 | #ifdef OPENSSL_SYS_WIN32 | |
310 | CRYPTO_malloc_init(); | |
311 | #endif | |
312 | ||
313 | RAND_seed(rnd_seed, sizeof rnd_seed); | |
314 | ||
315 | out=BIO_new(BIO_s_file()); | |
55f78baf | 316 | if (out == NULL) EXIT(1); |
e172d60d BM |
317 | BIO_set_fp(out,stdout,BIO_NOCLOSE); |
318 | ||
319 | if ((ctx=BN_CTX_new()) == NULL) goto err; | |
320 | ||
321 | /* NIST PRIME CURVES TESTS */ | |
7eb18f12 BM |
322 | if (!test_ecdh_curve(NID_X9_62_prime192v1, "NIST Prime-Curve P-192", ctx, out)) goto err; |
323 | if (!test_ecdh_curve(NID_secp224r1, "NIST Prime-Curve P-224", ctx, out)) goto err; | |
324 | if (!test_ecdh_curve(NID_X9_62_prime256v1, "NIST Prime-Curve P-256", ctx, out)) goto err; | |
325 | if (!test_ecdh_curve(NID_secp384r1, "NIST Prime-Curve P-384", ctx, out)) goto err; | |
326 | if (!test_ecdh_curve(NID_secp521r1, "NIST Prime-Curve P-521", ctx, out)) goto err; | |
e172d60d | 327 | /* NIST BINARY CURVES TESTS */ |
7eb18f12 BM |
328 | if (!test_ecdh_curve(NID_sect163k1, "NIST Binary-Curve K-163", ctx, out)) goto err; |
329 | if (!test_ecdh_curve(NID_sect163r2, "NIST Binary-Curve B-163", ctx, out)) goto err; | |
330 | if (!test_ecdh_curve(NID_sect233k1, "NIST Binary-Curve K-233", ctx, out)) goto err; | |
331 | if (!test_ecdh_curve(NID_sect233r1, "NIST Binary-Curve B-233", ctx, out)) goto err; | |
332 | if (!test_ecdh_curve(NID_sect283k1, "NIST Binary-Curve K-283", ctx, out)) goto err; | |
333 | if (!test_ecdh_curve(NID_sect283r1, "NIST Binary-Curve B-283", ctx, out)) goto err; | |
334 | if (!test_ecdh_curve(NID_sect409k1, "NIST Binary-Curve K-409", ctx, out)) goto err; | |
335 | if (!test_ecdh_curve(NID_sect409r1, "NIST Binary-Curve B-409", ctx, out)) goto err; | |
336 | if (!test_ecdh_curve(NID_sect571k1, "NIST Binary-Curve K-571", ctx, out)) goto err; | |
337 | if (!test_ecdh_curve(NID_sect571r1, "NIST Binary-Curve B-571", ctx, out)) goto err; | |
e172d60d BM |
338 | |
339 | ret = 0; | |
340 | ||
341 | err: | |
342 | ERR_print_errors_fp(stderr); | |
343 | if (ctx) BN_CTX_free(ctx); | |
344 | BIO_free(out); | |
345 | CRYPTO_cleanup_all_ex_data(); | |
346 | ERR_remove_state(0); | |
347 | CRYPTO_mem_leaks_fp(stderr); | |
55f78baf | 348 | EXIT(ret); |
e172d60d BM |
349 | return(ret); |
350 | } | |
351 | ||
c787525a | 352 | #if 0 |
e172d60d BM |
353 | static void MS_CALLBACK cb(int p, int n, void *arg) |
354 | { | |
355 | char c='*'; | |
356 | ||
357 | if (p == 0) c='.'; | |
358 | if (p == 1) c='+'; | |
359 | if (p == 2) c='*'; | |
360 | if (p == 3) c='\n'; | |
361 | BIO_write((BIO *)arg,&c,1); | |
362 | (void)BIO_flush((BIO *)arg); | |
363 | #ifdef LINT | |
364 | p=n; | |
365 | #endif | |
366 | } | |
367 | #endif | |
c787525a | 368 | #endif |