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Diffstat (limited to 'src/lib/libcrypto/ec/ec_print.c')
-rw-r--r--src/lib/libcrypto/ec/ec_print.c195
1 files changed, 0 insertions, 195 deletions
diff --git a/src/lib/libcrypto/ec/ec_print.c b/src/lib/libcrypto/ec/ec_print.c
deleted file mode 100644
index f7c8a303ac..0000000000
--- a/src/lib/libcrypto/ec/ec_print.c
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@@ -1,195 +0,0 @@
1/* crypto/ec/ec_print.c */
2/* ====================================================================
3 * Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in
14 * the documentation and/or other materials provided with the
15 * distribution.
16 *
17 * 3. All advertising materials mentioning features or use of this
18 * software must display the following acknowledgment:
19 * "This product includes software developed by the OpenSSL Project
20 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21 *
22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23 * endorse or promote products derived from this software without
24 * prior written permission. For written permission, please contact
25 * openssl-core@openssl.org.
26 *
27 * 5. Products derived from this software may not be called "OpenSSL"
28 * nor may "OpenSSL" appear in their names without prior written
29 * permission of the OpenSSL Project.
30 *
31 * 6. Redistributions of any form whatsoever must retain the following
32 * acknowledgment:
33 * "This product includes software developed by the OpenSSL Project
34 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35 *
36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47 * OF THE POSSIBILITY OF SUCH DAMAGE.
48 * ====================================================================
49 *
50 * This product includes cryptographic software written by Eric Young
51 * (eay@cryptsoft.com). This product includes software written by Tim
52 * Hudson (tjh@cryptsoft.com).
53 *
54 */
55
56#include <openssl/crypto.h>
57#include "ec_lcl.h"
58
59BIGNUM *EC_POINT_point2bn(const EC_GROUP *group,
60 const EC_POINT *point,
61 point_conversion_form_t form,
62 BIGNUM *ret,
63 BN_CTX *ctx)
64 {
65 size_t buf_len=0;
66 unsigned char *buf;
67
68 buf_len = EC_POINT_point2oct(group, point, form,
69 NULL, 0, ctx);
70 if (buf_len == 0)
71 return NULL;
72
73 if ((buf = OPENSSL_malloc(buf_len)) == NULL)
74 return NULL;
75
76 if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx))
77 {
78 OPENSSL_free(buf);
79 return NULL;
80 }
81
82 ret = BN_bin2bn(buf, buf_len, ret);
83
84 OPENSSL_free(buf);
85
86 return ret;
87}
88
89EC_POINT *EC_POINT_bn2point(const EC_GROUP *group,
90 const BIGNUM *bn,
91 EC_POINT *point,
92 BN_CTX *ctx)
93 {
94 size_t buf_len=0;
95 unsigned char *buf;
96 EC_POINT *ret;
97
98 if ((buf_len = BN_num_bytes(bn)) == 0) return NULL;
99 buf = OPENSSL_malloc(buf_len);
100 if (buf == NULL)
101 return NULL;
102
103 if (!BN_bn2bin(bn, buf))
104 {
105 OPENSSL_free(buf);
106 return NULL;
107 }
108
109 if (point == NULL)
110 {
111 if ((ret = EC_POINT_new(group)) == NULL)
112 {
113 OPENSSL_free(buf);
114 return NULL;
115 }
116 }
117 else
118 ret = point;
119
120 if (!EC_POINT_oct2point(group, ret, buf, buf_len, ctx))
121 {
122 if (point == NULL)
123 EC_POINT_clear_free(ret);
124 OPENSSL_free(buf);
125 return NULL;
126 }
127
128 OPENSSL_free(buf);
129 return ret;
130 }
131
132static const char *HEX_DIGITS = "0123456789ABCDEF";
133
134/* the return value must be freed (using OPENSSL_free()) */
135char *EC_POINT_point2hex(const EC_GROUP *group,
136 const EC_POINT *point,
137 point_conversion_form_t form,
138 BN_CTX *ctx)
139 {
140 char *ret, *p;
141 size_t buf_len=0,i;
142 unsigned char *buf, *pbuf;
143
144 buf_len = EC_POINT_point2oct(group, point, form,
145 NULL, 0, ctx);
146 if (buf_len == 0)
147 return NULL;
148
149 if ((buf = OPENSSL_malloc(buf_len)) == NULL)
150 return NULL;
151
152 if (!EC_POINT_point2oct(group, point, form, buf, buf_len, ctx))
153 {
154 OPENSSL_free(buf);
155 return NULL;
156 }
157
158 ret = (char *)OPENSSL_malloc(buf_len*2+2);
159 if (ret == NULL)
160 {
161 OPENSSL_free(buf);
162 return NULL;
163 }
164 p = ret;
165 pbuf = buf;
166 for (i=buf_len; i > 0; i--)
167 {
168 int v = (int) *(pbuf++);
169 *(p++)=HEX_DIGITS[v>>4];
170 *(p++)=HEX_DIGITS[v&0x0F];
171 }
172 *p='\0';
173
174 OPENSSL_free(buf);
175
176 return ret;
177 }
178
179EC_POINT *EC_POINT_hex2point(const EC_GROUP *group,
180 const char *buf,
181 EC_POINT *point,
182 BN_CTX *ctx)
183 {
184 EC_POINT *ret=NULL;
185 BIGNUM *tmp_bn=NULL;
186
187 if (!BN_hex2bn(&tmp_bn, buf))
188 return NULL;
189
190 ret = EC_POINT_bn2point(group, tmp_bn, point, ctx);
191
192 BN_clear_free(tmp_bn);
193
194 return ret;
195 }
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