summaryrefslogtreecommitdiff
path: root/src/lib/libcrypto/ec/ec_cvt.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/lib/libcrypto/ec/ec_cvt.c')
-rw-r--r--src/lib/libcrypto/ec/ec_cvt.c144
1 files changed, 0 insertions, 144 deletions
diff --git a/src/lib/libcrypto/ec/ec_cvt.c b/src/lib/libcrypto/ec/ec_cvt.c
deleted file mode 100644
index d45640bab9..0000000000
--- a/src/lib/libcrypto/ec/ec_cvt.c
+++ /dev/null
@@ -1,144 +0,0 @@
1/* crypto/ec/ec_cvt.c */
2/*
3 * Originally written by Bodo Moeller for the OpenSSL project.
4 */
5/* ====================================================================
6 * Copyright (c) 1998-2002 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 *
61 * Portions of the attached software ("Contribution") are developed by
62 * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
63 *
64 * The Contribution is licensed pursuant to the OpenSSL open source
65 * license provided above.
66 *
67 * The elliptic curve binary polynomial software is originally written by
68 * Sheueling Chang Shantz and Douglas Stebila of Sun Microsystems Laboratories.
69 *
70 */
71
72#include <openssl/err.h>
73#include "ec_lcl.h"
74
75
76EC_GROUP *EC_GROUP_new_curve_GFp(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
77 {
78 const EC_METHOD *meth;
79 EC_GROUP *ret;
80
81 meth = EC_GFp_nist_method();
82
83 ret = EC_GROUP_new(meth);
84 if (ret == NULL)
85 return NULL;
86
87 if (!EC_GROUP_set_curve_GFp(ret, p, a, b, ctx))
88 {
89 unsigned long err;
90
91 err = ERR_peek_last_error();
92
93 if (!(ERR_GET_LIB(err) == ERR_LIB_EC &&
94 ((ERR_GET_REASON(err) == EC_R_NOT_A_NIST_PRIME) ||
95 (ERR_GET_REASON(err) == EC_R_NOT_A_SUPPORTED_NIST_PRIME))))
96 {
97 /* real error */
98
99 EC_GROUP_clear_free(ret);
100 return NULL;
101 }
102
103
104 /* not an actual error, we just cannot use EC_GFp_nist_method */
105
106 ERR_clear_error();
107
108 EC_GROUP_clear_free(ret);
109 meth = EC_GFp_mont_method();
110
111 ret = EC_GROUP_new(meth);
112 if (ret == NULL)
113 return NULL;
114
115 if (!EC_GROUP_set_curve_GFp(ret, p, a, b, ctx))
116 {
117 EC_GROUP_clear_free(ret);
118 return NULL;
119 }
120 }
121
122 return ret;
123 }
124
125
126EC_GROUP *EC_GROUP_new_curve_GF2m(const BIGNUM *p, const BIGNUM *a, const BIGNUM *b, BN_CTX *ctx)
127 {
128 const EC_METHOD *meth;
129 EC_GROUP *ret;
130
131 meth = EC_GF2m_simple_method();
132
133 ret = EC_GROUP_new(meth);
134 if (ret == NULL)
135 return NULL;
136
137 if (!EC_GROUP_set_curve_GF2m(ret, p, a, b, ctx))
138 {
139 EC_GROUP_clear_free(ret);
140 return NULL;
141 }
142
143 return ret;
144 }
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-20 17:45:14 +0000