source: EcnlProtoTool/trunk/openssl-1.1.0e/crypto/pkcs12/p12_mutl.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 7.6 KB
Line 
1/*
2 * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10# include <stdio.h>
11# include "internal/cryptlib.h"
12# include <openssl/crypto.h>
13# include <openssl/hmac.h>
14# include <openssl/rand.h>
15# include <openssl/pkcs12.h>
16# include "p12_lcl.h"
17
18int PKCS12_mac_present(const PKCS12 *p12)
19{
20 return p12->mac ? 1 : 0;
21}
22
23void PKCS12_get0_mac(const ASN1_OCTET_STRING **pmac,
24 const X509_ALGOR **pmacalg,
25 const ASN1_OCTET_STRING **psalt,
26 const ASN1_INTEGER **piter,
27 const PKCS12 *p12)
28{
29 if (p12->mac) {
30 X509_SIG_get0(p12->mac->dinfo, pmacalg, pmac);
31 if (psalt)
32 *psalt = p12->mac->salt;
33 if (piter)
34 *piter = p12->mac->iter;
35 } else {
36 if (pmac)
37 *pmac = NULL;
38 if (pmacalg)
39 *pmacalg = NULL;
40 if (psalt)
41 *psalt = NULL;
42 if (piter)
43 *piter = NULL;
44 }
45}
46
47# define TK26_MAC_KEY_LEN 32
48
49static int pkcs12_gen_gost_mac_key(const char *pass, int passlen,
50 const unsigned char *salt, int saltlen,
51 int iter, int keylen, unsigned char *key,
52 const EVP_MD *digest)
53{
54 unsigned char out[96];
55
56 if (keylen != TK26_MAC_KEY_LEN) {
57 return 0;
58 }
59
60 if (!PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter,
61 digest, sizeof(out), out)) {
62 return 0;
63 }
64 memcpy(key, out + sizeof(out) - TK26_MAC_KEY_LEN, TK26_MAC_KEY_LEN);
65 OPENSSL_cleanse(out, sizeof(out));
66 return 1;
67}
68
69/* Generate a MAC */
70static int pkcs12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
71 unsigned char *mac, unsigned int *maclen,
72 int (*pkcs12_key_gen)(const char *pass, int passlen,
73 unsigned char *salt, int slen,
74 int id, int iter, int n,
75 unsigned char *out,
76 const EVP_MD *md_type))
77{
78 const EVP_MD *md_type;
79 HMAC_CTX *hmac = NULL;
80 unsigned char key[EVP_MAX_MD_SIZE], *salt;
81 int saltlen, iter;
82 int md_size = 0;
83 int md_type_nid;
84 const X509_ALGOR *macalg;
85 const ASN1_OBJECT *macoid;
86
87 if (pkcs12_key_gen == NULL)
88 pkcs12_key_gen = PKCS12_key_gen_utf8;
89
90 if (!PKCS7_type_is_data(p12->authsafes)) {
91 PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_CONTENT_TYPE_NOT_DATA);
92 return 0;
93 }
94
95 salt = p12->mac->salt->data;
96 saltlen = p12->mac->salt->length;
97 if (!p12->mac->iter)
98 iter = 1;
99 else
100 iter = ASN1_INTEGER_get(p12->mac->iter);
101 X509_SIG_get0(p12->mac->dinfo, &macalg, NULL);
102 X509_ALGOR_get0(&macoid, NULL, NULL, macalg);
103 if ((md_type = EVP_get_digestbyobj(macoid)) == NULL) {
104 PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_UNKNOWN_DIGEST_ALGORITHM);
105 return 0;
106 }
107 md_size = EVP_MD_size(md_type);
108 md_type_nid = EVP_MD_type(md_type);
109 if (md_size < 0)
110 return 0;
111 if ((md_type_nid == NID_id_GostR3411_94
112 || md_type_nid == NID_id_GostR3411_2012_256
113 || md_type_nid == NID_id_GostR3411_2012_512)
114 && !getenv("LEGACY_GOST_PKCS12")) {
115 md_size = TK26_MAC_KEY_LEN;
116 if (!pkcs12_gen_gost_mac_key(pass, passlen, salt, saltlen, iter,
117 md_size, key, md_type)) {
118 PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_KEY_GEN_ERROR);
119 return 0;
120 }
121 } else
122 if (!(*pkcs12_key_gen)(pass, passlen, salt, saltlen, PKCS12_MAC_ID,
123 iter, md_size, key, md_type)) {
124 PKCS12err(PKCS12_F_PKCS12_GEN_MAC, PKCS12_R_KEY_GEN_ERROR);
125 return 0;
126 }
127 hmac = HMAC_CTX_new();
128 if (!HMAC_Init_ex(hmac, key, md_size, md_type, NULL)
129 || !HMAC_Update(hmac, p12->authsafes->d.data->data,
130 p12->authsafes->d.data->length)
131 || !HMAC_Final(hmac, mac, maclen)) {
132 HMAC_CTX_free(hmac);
133 return 0;
134 }
135 HMAC_CTX_free(hmac);
136 return 1;
137}
138
139int PKCS12_gen_mac(PKCS12 *p12, const char *pass, int passlen,
140 unsigned char *mac, unsigned int *maclen)
141{
142 return pkcs12_gen_mac(p12, pass, passlen, mac, maclen, NULL);
143}
144
145/* Verify the mac */
146int PKCS12_verify_mac(PKCS12 *p12, const char *pass, int passlen)
147{
148 unsigned char mac[EVP_MAX_MD_SIZE];
149 unsigned int maclen;
150 const ASN1_OCTET_STRING *macoct;
151
152 if (p12->mac == NULL) {
153 PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC, PKCS12_R_MAC_ABSENT);
154 return 0;
155 }
156 if (!pkcs12_gen_mac(p12, pass, passlen, mac, &maclen,
157 PKCS12_key_gen_utf8)) {
158 PKCS12err(PKCS12_F_PKCS12_VERIFY_MAC, PKCS12_R_MAC_GENERATION_ERROR);
159 return 0;
160 }
161 X509_SIG_get0(p12->mac->dinfo, NULL, &macoct);
162 if ((maclen != (unsigned int)ASN1_STRING_length(macoct))
163 || CRYPTO_memcmp(mac, ASN1_STRING_get0_data(macoct), maclen) != 0)
164 return 0;
165
166 return 1;
167}
168
169/* Set a mac */
170
171int PKCS12_set_mac(PKCS12 *p12, const char *pass, int passlen,
172 unsigned char *salt, int saltlen, int iter,
173 const EVP_MD *md_type)
174{
175 unsigned char mac[EVP_MAX_MD_SIZE];
176 unsigned int maclen;
177 ASN1_OCTET_STRING *macoct;
178
179 if (!md_type)
180 md_type = EVP_sha1();
181 if (PKCS12_setup_mac(p12, iter, salt, saltlen, md_type) == PKCS12_ERROR) {
182 PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_SETUP_ERROR);
183 return 0;
184 }
185 /*
186 * Note that output mac is forced to UTF-8...
187 */
188 if (!pkcs12_gen_mac(p12, pass, passlen, mac, &maclen,
189 PKCS12_key_gen_utf8)) {
190 PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_GENERATION_ERROR);
191 return 0;
192 }
193 X509_SIG_getm(p12->mac->dinfo, NULL, &macoct);
194 if (!ASN1_OCTET_STRING_set(macoct, mac, maclen)) {
195 PKCS12err(PKCS12_F_PKCS12_SET_MAC, PKCS12_R_MAC_STRING_SET_ERROR);
196 return 0;
197 }
198 return 1;
199}
200
201/* Set up a mac structure */
202int PKCS12_setup_mac(PKCS12 *p12, int iter, unsigned char *salt, int saltlen,
203 const EVP_MD *md_type)
204{
205 X509_ALGOR *macalg;
206
207 if ((p12->mac = PKCS12_MAC_DATA_new()) == NULL)
208 return PKCS12_ERROR;
209 if (iter > 1) {
210 if ((p12->mac->iter = ASN1_INTEGER_new()) == NULL) {
211 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
212 return 0;
213 }
214 if (!ASN1_INTEGER_set(p12->mac->iter, iter)) {
215 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
216 return 0;
217 }
218 }
219 if (!saltlen)
220 saltlen = PKCS12_SALT_LEN;
221 if ((p12->mac->salt->data = OPENSSL_malloc(saltlen)) == NULL) {
222 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
223 return 0;
224 }
225 p12->mac->salt->length = saltlen;
226 if (!salt) {
227 if (RAND_bytes(p12->mac->salt->data, saltlen) <= 0)
228 return 0;
229 } else
230 memcpy(p12->mac->salt->data, salt, saltlen);
231 X509_SIG_getm(p12->mac->dinfo, &macalg, NULL);
232 if (!X509_ALGOR_set0(macalg, OBJ_nid2obj(EVP_MD_type(md_type)),
233 V_ASN1_NULL, NULL)) {
234 PKCS12err(PKCS12_F_PKCS12_SETUP_MAC, ERR_R_MALLOC_FAILURE);
235 return 0;
236 }
237
238 return 1;
239}
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