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Diffstat (limited to 'src/lib/libcrypto/ec/ecp_nist.c')
-rw-r--r-- | src/lib/libcrypto/ec/ecp_nist.c | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/src/lib/libcrypto/ec/ecp_nist.c b/src/lib/libcrypto/ec/ecp_nist.c deleted file mode 100644 index 2a5682ea41..0000000000 --- a/src/lib/libcrypto/ec/ecp_nist.c +++ /dev/null | |||
@@ -1,210 +0,0 @@ | |||
1 | /* crypto/ec/ecp_nist.c */ | ||
2 | /* | ||
3 | * Written by Nils Larsch for the OpenSSL project. | ||
4 | */ | ||
5 | /* ==================================================================== | ||
6 | * Copyright (c) 1998-2003 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 | * openssl-core@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 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | ||
60 | * Portions of this software developed by SUN MICROSYSTEMS, INC., | ||
61 | * and contributed to the OpenSSL project. | ||
62 | */ | ||
63 | |||
64 | #include <limits.h> | ||
65 | |||
66 | #include <openssl/err.h> | ||
67 | #include <openssl/obj_mac.h> | ||
68 | #include "ec_lcl.h" | ||
69 | |||
70 | const EC_METHOD *EC_GFp_nist_method(void) | ||
71 | { | ||
72 | static const EC_METHOD ret = { | ||
73 | NID_X9_62_prime_field, | ||
74 | ec_GFp_simple_group_init, | ||
75 | ec_GFp_simple_group_finish, | ||
76 | ec_GFp_simple_group_clear_finish, | ||
77 | ec_GFp_nist_group_copy, | ||
78 | ec_GFp_nist_group_set_curve, | ||
79 | ec_GFp_simple_group_get_curve, | ||
80 | ec_GFp_simple_group_get_degree, | ||
81 | ec_GFp_simple_group_check_discriminant, | ||
82 | ec_GFp_simple_point_init, | ||
83 | ec_GFp_simple_point_finish, | ||
84 | ec_GFp_simple_point_clear_finish, | ||
85 | ec_GFp_simple_point_copy, | ||
86 | ec_GFp_simple_point_set_to_infinity, | ||
87 | ec_GFp_simple_set_Jprojective_coordinates_GFp, | ||
88 | ec_GFp_simple_get_Jprojective_coordinates_GFp, | ||
89 | ec_GFp_simple_point_set_affine_coordinates, | ||
90 | ec_GFp_simple_point_get_affine_coordinates, | ||
91 | ec_GFp_simple_set_compressed_coordinates, | ||
92 | ec_GFp_simple_point2oct, | ||
93 | ec_GFp_simple_oct2point, | ||
94 | ec_GFp_simple_add, | ||
95 | ec_GFp_simple_dbl, | ||
96 | ec_GFp_simple_invert, | ||
97 | ec_GFp_simple_is_at_infinity, | ||
98 | ec_GFp_simple_is_on_curve, | ||
99 | ec_GFp_simple_cmp, | ||
100 | ec_GFp_simple_make_affine, | ||
101 | ec_GFp_simple_points_make_affine, | ||
102 | 0 /* mul */, | ||
103 | 0 /* precompute_mult */, | ||
104 | 0 /* have_precompute_mult */, | ||
105 | ec_GFp_nist_field_mul, | ||
106 | ec_GFp_nist_field_sqr, | ||
107 | 0 /* field_div */, | ||
108 | 0 /* field_encode */, | ||
109 | 0 /* field_decode */, | ||
110 | 0 /* field_set_to_one */ }; | ||
111 | |||
112 | return &ret; | ||
113 | } | ||
114 | |||
115 | int ec_GFp_nist_group_copy(EC_GROUP *dest, const EC_GROUP *src) | ||
116 | { | ||
117 | dest->field_mod_func = src->field_mod_func; | ||
118 | |||
119 | return ec_GFp_simple_group_copy(dest, src); | ||
120 | } | ||
121 | |||
122 | int ec_GFp_nist_group_set_curve(EC_GROUP *group, const BIGNUM *p, | ||
123 | const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx) | ||
124 | { | ||
125 | int ret = 0; | ||
126 | BN_CTX *new_ctx = NULL; | ||
127 | BIGNUM *tmp_bn; | ||
128 | |||
129 | if (ctx == NULL) | ||
130 | if ((ctx = new_ctx = BN_CTX_new()) == NULL) return 0; | ||
131 | |||
132 | BN_CTX_start(ctx); | ||
133 | if ((tmp_bn = BN_CTX_get(ctx)) == NULL) goto err; | ||
134 | |||
135 | if (BN_ucmp(BN_get0_nist_prime_192(), p) == 0) | ||
136 | group->field_mod_func = BN_nist_mod_192; | ||
137 | else if (BN_ucmp(BN_get0_nist_prime_224(), p) == 0) | ||
138 | group->field_mod_func = BN_nist_mod_224; | ||
139 | else if (BN_ucmp(BN_get0_nist_prime_256(), p) == 0) | ||
140 | group->field_mod_func = BN_nist_mod_256; | ||
141 | else if (BN_ucmp(BN_get0_nist_prime_384(), p) == 0) | ||
142 | group->field_mod_func = BN_nist_mod_384; | ||
143 | else if (BN_ucmp(BN_get0_nist_prime_521(), p) == 0) | ||
144 | group->field_mod_func = BN_nist_mod_521; | ||
145 | else | ||
146 | { | ||
147 | ECerr(EC_F_EC_GFP_NIST_GROUP_SET_CURVE, EC_R_NOT_A_NIST_PRIME); | ||
148 | goto err; | ||
149 | } | ||
150 | |||
151 | ret = ec_GFp_simple_group_set_curve(group, p, a, b, ctx); | ||
152 | |||
153 | err: | ||
154 | BN_CTX_end(ctx); | ||
155 | if (new_ctx != NULL) | ||
156 | BN_CTX_free(new_ctx); | ||
157 | return ret; | ||
158 | } | ||
159 | |||
160 | |||
161 | int ec_GFp_nist_field_mul(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, | ||
162 | const BIGNUM *b, BN_CTX *ctx) | ||
163 | { | ||
164 | int ret=0; | ||
165 | BN_CTX *ctx_new=NULL; | ||
166 | |||
167 | if (!group || !r || !a || !b) | ||
168 | { | ||
169 | ECerr(EC_F_EC_GFP_NIST_FIELD_MUL, ERR_R_PASSED_NULL_PARAMETER); | ||
170 | goto err; | ||
171 | } | ||
172 | if (!ctx) | ||
173 | if ((ctx_new = ctx = BN_CTX_new()) == NULL) goto err; | ||
174 | |||
175 | if (!BN_mul(r, a, b, ctx)) goto err; | ||
176 | if (!group->field_mod_func(r, r, &group->field, ctx)) | ||
177 | goto err; | ||
178 | |||
179 | ret=1; | ||
180 | err: | ||
181 | if (ctx_new) | ||
182 | BN_CTX_free(ctx_new); | ||
183 | return ret; | ||
184 | } | ||
185 | |||
186 | |||
187 | int ec_GFp_nist_field_sqr(const EC_GROUP *group, BIGNUM *r, const BIGNUM *a, | ||
188 | BN_CTX *ctx) | ||
189 | { | ||
190 | int ret=0; | ||
191 | BN_CTX *ctx_new=NULL; | ||
192 | |||
193 | if (!group || !r || !a) | ||
194 | { | ||
195 | ECerr(EC_F_EC_GFP_NIST_FIELD_SQR, EC_R_PASSED_NULL_PARAMETER); | ||
196 | goto err; | ||
197 | } | ||
198 | if (!ctx) | ||
199 | if ((ctx_new = ctx = BN_CTX_new()) == NULL) goto err; | ||
200 | |||
201 | if (!BN_sqr(r, a, ctx)) goto err; | ||
202 | if (!group->field_mod_func(r, r, &group->field, ctx)) | ||
203 | goto err; | ||
204 | |||
205 | ret=1; | ||
206 | err: | ||
207 | if (ctx_new) | ||
208 | BN_CTX_free(ctx_new); | ||
209 | return ret; | ||
210 | } | ||