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-rw-r--r--src/lib/libcrypto/asn1/x_bignum.c167
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diff --git a/src/lib/libcrypto/asn1/x_bignum.c b/src/lib/libcrypto/asn1/x_bignum.c
deleted file mode 100644
index 73f0f73c1c..0000000000
--- a/src/lib/libcrypto/asn1/x_bignum.c
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@@ -1,167 +0,0 @@
1/* $OpenBSD: x_bignum.c,v 1.8 2015/07/25 17:07:17 jsing Exp $ */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2000.
4 */
5/* ====================================================================
6 * Copyright (c) 2000 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
61#include <openssl/asn1t.h>
62#include <openssl/bn.h>
63
64/*
65 * Custom primitive type for BIGNUM handling. This reads in an ASN1_INTEGER as a
66 * BIGNUM directly. Currently it ignores the sign which isn't a problem since
67 * all BIGNUMs used are non negative and anything that looks negative is
68 * normally due to an encoding error.
69 */
70
71static int bn_new(ASN1_VALUE **pval, const ASN1_ITEM *it);
72static void bn_free(ASN1_VALUE **pval, const ASN1_ITEM *it);
73
74static int bn_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype,
75 const ASN1_ITEM *it);
76static int bn_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len,
77 int utype, char *free_cont, const ASN1_ITEM *it);
78
79static ASN1_PRIMITIVE_FUNCS bignum_pf = {
80 NULL,
81 0,
82 bn_new,
83 bn_free,
84 0,
85 bn_c2i,
86 bn_i2c
87};
88
89const ASN1_ITEM BIGNUM_it = {
90 .itype = ASN1_ITYPE_PRIMITIVE,
91 .utype = V_ASN1_INTEGER,
92 .templates = NULL,
93 .tcount = 0,
94 .funcs = &bignum_pf,
95 .size = 0,
96 .sname = "BIGNUM",
97};
98
99const ASN1_ITEM CBIGNUM_it = {
100 .itype = ASN1_ITYPE_PRIMITIVE,
101 .utype = V_ASN1_INTEGER,
102 .templates = NULL,
103 .tcount = 0,
104 .funcs = &bignum_pf,
105 .size = 0,
106 .sname = "BIGNUM",
107};
108
109static int
110bn_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
111{
112 *pval = (ASN1_VALUE *)BN_new();
113 if (*pval)
114 return 1;
115 else
116 return 0;
117}
118
119static void
120bn_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
121{
122 if (*pval == NULL)
123 return;
124 BN_clear_free((BIGNUM *)*pval);
125 *pval = NULL;
126}
127
128static int
129bn_i2c(ASN1_VALUE **pval, unsigned char *cont, int *putype, const ASN1_ITEM *it)
130{
131 BIGNUM *bn;
132 int pad, len;
133
134 if (*pval == NULL)
135 return -1;
136 bn = (BIGNUM *)*pval;
137 /* If MSB set in an octet we need a padding byte */
138 if (BN_num_bits(bn) & 0x7)
139 pad = 0;
140 else
141 pad = 1;
142 if (cont) {
143 if (pad)
144 *cont++ = 0;
145 len = BN_bn2bin(bn, cont);
146 } else
147 len = BN_num_bytes(bn);
148 return pad + len;
149}
150
151static int
152bn_c2i(ASN1_VALUE **pval, const unsigned char *cont, int len, int utype,
153 char *free_cont, const ASN1_ITEM *it)
154{
155 BIGNUM *bn;
156
157 if (*pval == NULL) {
158 if (bn_new(pval, it) == 0)
159 return 0;
160 }
161 bn = (BIGNUM *)*pval;
162 if (!BN_bin2bn(cont, len, bn)) {
163 bn_free(pval, it);
164 return 0;
165 }
166 return 1;
167}
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