1 | /* asn.h
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2 | *
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3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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6 | *
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7 | * wolfSSL is free software; you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation; either version 2 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * wolfSSL is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with this program; if not, write to the Free Software
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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20 | */
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21 |
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22 | #ifndef WOLF_CRYPT_ASN_H
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23 | #define WOLF_CRYPT_ASN_H
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24 |
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25 | #include <wolfssl/wolfcrypt/types.h>
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26 |
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27 | #ifndef NO_ASN
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28 |
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29 | #include <wolfssl/wolfcrypt/integer.h>
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30 | #ifndef NO_RSA
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31 | #include <wolfssl/wolfcrypt/rsa.h>
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32 | #endif
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33 |
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34 | /* fips declare of RsaPrivateKeyDecode @wc_fips */
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35 | #if defined(HAVE_FIPS) && !defined(NO_RSA)
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36 | #include <cyassl/ctaocrypt/rsa.h>
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37 | #endif
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38 |
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39 | #ifndef NO_DH
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40 | #include <wolfssl/wolfcrypt/dh.h>
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41 | #endif
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42 | #ifndef NO_DSA
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43 | #include <wolfssl/wolfcrypt/dsa.h>
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44 | #endif
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45 | #ifndef NO_SHA
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46 | #include <wolfssl/wolfcrypt/sha.h>
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47 | #endif
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48 | #ifndef NO_MD5
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49 | #include <wolfssl/wolfcrypt/md5.h>
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50 | #endif
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51 | #include <wolfssl/wolfcrypt/sha256.h>
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52 | #include <wolfssl/wolfcrypt/asn_public.h> /* public interface */
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53 | #ifdef HAVE_ECC
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54 | #include <wolfssl/wolfcrypt/ecc.h>
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55 | #endif
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56 |
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57 | #ifdef __cplusplus
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58 | extern "C" {
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59 | #endif
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60 |
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61 |
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62 | enum {
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63 | ISSUER = 0,
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64 | SUBJECT = 1,
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65 |
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66 | EXTERNAL_SERIAL_SIZE = 32,
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67 |
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68 | BEFORE = 0,
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69 | AFTER = 1
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70 | };
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71 |
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72 | /* ASN Tags */
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73 | enum ASN_Tags {
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74 | ASN_BOOLEAN = 0x01,
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75 | ASN_INTEGER = 0x02,
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76 | ASN_BIT_STRING = 0x03,
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77 | ASN_OCTET_STRING = 0x04,
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78 | ASN_TAG_NULL = 0x05,
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79 | ASN_OBJECT_ID = 0x06,
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80 | ASN_ENUMERATED = 0x0a,
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81 | ASN_UTF8STRING = 0x0c,
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82 | ASN_SEQUENCE = 0x10,
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83 | ASN_SET = 0x11,
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84 | ASN_UTC_TIME = 0x17,
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85 | ASN_OTHER_TYPE = 0x00,
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86 | ASN_RFC822_TYPE = 0x01,
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87 | ASN_DNS_TYPE = 0x02,
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88 | ASN_DIR_TYPE = 0x04,
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89 | ASN_GENERALIZED_TIME = 0x18,
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90 | CRL_EXTENSIONS = 0xa0,
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91 | ASN_EXTENSIONS = 0xa3,
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92 | ASN_LONG_LENGTH = 0x80
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93 | };
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94 |
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95 | enum ASN_Flags{
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96 | ASN_CONSTRUCTED = 0x20,
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97 | ASN_CONTEXT_SPECIFIC = 0x80
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98 | };
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99 |
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100 | enum DN_Tags {
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101 | ASN_COMMON_NAME = 0x03, /* CN */
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102 | ASN_SUR_NAME = 0x04, /* SN */
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103 | ASN_SERIAL_NUMBER = 0x05, /* serialNumber */
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104 | ASN_COUNTRY_NAME = 0x06, /* C */
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105 | ASN_LOCALITY_NAME = 0x07, /* L */
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106 | ASN_STATE_NAME = 0x08, /* ST */
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107 | ASN_ORG_NAME = 0x0a, /* O */
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108 | ASN_ORGUNIT_NAME = 0x0b /* OU */
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109 | };
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110 |
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111 | enum PBES {
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112 | PBE_MD5_DES = 0,
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113 | PBE_SHA1_DES = 1,
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114 | PBE_SHA1_DES3 = 2,
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115 | PBE_SHA1_RC4_128 = 3,
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116 | PBES2 = 13 /* algo ID */
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117 | };
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118 |
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119 | enum ENCRYPTION_TYPES {
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120 | DES_TYPE = 0,
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121 | DES3_TYPE = 1,
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122 | RC4_TYPE = 2
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123 | };
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124 |
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125 | enum ECC_TYPES {
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126 | ECC_PREFIX_0 = 160,
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127 | ECC_PREFIX_1 = 161
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128 | };
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129 |
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130 | enum Misc_ASN {
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131 | ASN_NAME_MAX = 256,
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132 | MAX_SALT_SIZE = 64, /* MAX PKCS Salt length */
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133 | MAX_IV_SIZE = 64, /* MAX PKCS Iv length */
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134 | MAX_KEY_SIZE = 64, /* MAX PKCS Key length */
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135 | PKCS5 = 5, /* PKCS oid tag */
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136 | PKCS5v2 = 6, /* PKCS #5 v2.0 */
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137 | PKCS12 = 12, /* PKCS #12 */
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138 | MAX_UNICODE_SZ = 256,
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139 | ASN_BOOL_SIZE = 2, /* including type */
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140 | ASN_ECC_HEADER_SZ = 2, /* String type + 1 byte len */
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141 | ASN_ECC_CONTEXT_SZ = 2, /* Content specific type + 1 byte len */
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142 | #ifdef NO_SHA
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143 | KEYID_SIZE = SHA256_DIGEST_SIZE,
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144 | #else
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145 | KEYID_SIZE = SHA_DIGEST_SIZE,
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146 | #endif
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147 | RSA_INTS = 8, /* RSA ints in private key */
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148 | DSA_INTS = 5, /* DSA ints in private key */
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149 | MIN_DATE_SIZE = 13,
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150 | MAX_DATE_SIZE = 32,
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151 | ASN_GEN_TIME_SZ = 15, /* 7 numbers * 2 + Zulu tag */
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152 | MAX_ENCODED_SIG_SZ = 512,
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153 | MAX_SIG_SZ = 256,
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154 | MAX_ALGO_SZ = 20,
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155 | MAX_SEQ_SZ = 5, /* enum(seq | con) + length(4) */
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156 | MAX_SET_SZ = 5, /* enum(set | con) + length(4) */
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157 | MAX_OCTET_STR_SZ = 5, /* enum(set | con) + length(4) */
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158 | MAX_EXP_SZ = 5, /* enum(contextspec|con|exp) + length(4) */
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159 | MAX_PRSTR_SZ = 5, /* enum(prstr) + length(4) */
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160 | MAX_VERSION_SZ = 5, /* enum + id + version(byte) + (header(2))*/
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161 | MAX_ENCODED_DIG_SZ = 73, /* sha512 + enum(bit or octet) + legnth(4) */
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162 | MAX_RSA_INT_SZ = 517, /* RSA raw sz 4096 for bits + tag + len(4) */
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163 | MAX_NTRU_KEY_SZ = 610, /* NTRU 112 bit public key */
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164 | MAX_NTRU_ENC_SZ = 628, /* NTRU 112 bit DER public encoding */
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165 | MAX_LENGTH_SZ = 4, /* Max length size for DER encoding */
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166 | MAX_RSA_E_SZ = 16, /* Max RSA public e size */
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167 | MAX_CA_SZ = 32, /* Max encoded CA basic constraint length */
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168 | MAX_SN_SZ = 35, /* Max encoded serial number (INT) length */
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169 | #ifdef WOLFSSL_CERT_GEN
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170 | #ifdef WOLFSSL_CERT_REQ
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171 | /* Max encoded cert req attributes length */
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172 | MAX_ATTRIB_SZ = MAX_SEQ_SZ * 3 + (11 + MAX_SEQ_SZ) * 2 +
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173 | MAX_PRSTR_SZ + CTC_NAME_SIZE, /* 11 is the OID size */
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174 | #endif
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175 | #if defined(WOLFSSL_ALT_NAMES) || defined(WOLFSSL_CERT_EXT)
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176 | MAX_EXTENSIONS_SZ = 1 + MAX_LENGTH_SZ + CTC_MAX_ALT_SIZE,
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177 | #else
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178 | MAX_EXTENSIONS_SZ = 1 + MAX_LENGTH_SZ + MAX_CA_SZ,
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179 | #endif
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180 | /* Max total extensions, id + len + others */
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181 | #endif
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182 | #ifdef WOLFSSL_CERT_EXT
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183 | MAX_KID_SZ = 45, /* Max encoded KID length (SHA-256 case) */
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184 | MAX_KEYUSAGE_SZ = 18, /* Max encoded Key Usage length */
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185 | MAX_OID_SZ = 32, /* Max DER length of OID*/
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186 | MAX_OID_STRING_SZ = 64, /* Max string length representation of OID*/
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187 | MAX_CERTPOL_NB = CTC_MAX_CERTPOL_NB,/* Max number of Cert Policy */
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188 | MAX_CERTPOL_SZ = CTC_MAX_CERTPOL_SZ,
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189 | #endif
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190 | MAX_OCSP_EXT_SZ = 58, /* Max OCSP Extension length */
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191 | MAX_OCSP_NONCE_SZ = 18, /* OCSP Nonce size */
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192 | EIGHTK_BUF = 8192, /* Tmp buffer size */
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193 | MAX_PUBLIC_KEY_SZ = MAX_NTRU_ENC_SZ + MAX_ALGO_SZ + MAX_SEQ_SZ * 2,
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194 | /* use bigger NTRU size */
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195 | HEADER_ENCRYPTED_KEY_SIZE = 88 /* Extra header size for encrypted key */
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196 | };
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197 |
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198 |
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199 | enum Oid_Types {
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200 | hashType = 0,
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201 | sigType = 1,
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202 | keyType = 2,
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203 | curveType = 3,
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204 | blkType = 4
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205 | };
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206 |
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207 |
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208 | enum Hash_Sum {
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209 | MD2h = 646,
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210 | MD5h = 649,
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211 | SHAh = 88,
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212 | SHA256h = 414,
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213 | SHA384h = 415,
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214 | SHA512h = 416
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215 | };
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216 |
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217 |
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218 | enum Block_Sum {
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219 | DESb = 69,
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220 | DES3b = 652
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221 | };
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222 |
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223 |
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224 | enum Key_Sum {
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225 | DSAk = 515,
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226 | RSAk = 645,
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227 | NTRUk = 274,
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228 | ECDSAk = 518
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229 | };
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230 |
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231 |
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232 | enum Ecc_Sum {
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233 | ECC_256R1 = 526,
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234 | ECC_384R1 = 210,
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235 | ECC_521R1 = 211,
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236 | ECC_160R1 = 184,
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237 | ECC_192R1 = 520,
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238 | ECC_224R1 = 209
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239 | };
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240 |
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241 |
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242 | enum KDF_Sum {
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243 | PBKDF2_OID = 660
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244 | };
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245 |
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246 |
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247 | enum Extensions_Sum {
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248 | BASIC_CA_OID = 133,
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249 | ALT_NAMES_OID = 131,
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250 | CRL_DIST_OID = 145,
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251 | AUTH_INFO_OID = 69,
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252 | CA_ISSUER_OID = 117,
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253 | AUTH_KEY_OID = 149,
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254 | SUBJ_KEY_OID = 128,
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255 | CERT_POLICY_OID = 146,
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256 | KEY_USAGE_OID = 129, /* 2.5.29.15 */
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257 | INHIBIT_ANY_OID = 168, /* 2.5.29.54 */
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258 | EXT_KEY_USAGE_OID = 151, /* 2.5.29.37 */
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259 | NAME_CONS_OID = 144 /* 2.5.29.30 */
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260 | };
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261 |
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262 | enum CertificatePolicy_Sum {
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263 | CP_ANY_OID = 146 /* id-ce 32 0 */
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264 | };
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265 |
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266 | enum SepHardwareName_Sum {
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267 | HW_NAME_OID = 79 /* 1.3.6.1.5.5.7.8.4 from RFC 4108*/
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268 | };
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269 |
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270 | enum AuthInfo_Sum {
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271 | AIA_OCSP_OID = 116, /* 1.3.6.1.5.5.7.48.1 */
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272 | AIA_CA_ISSUER_OID = 117 /* 1.3.6.1.5.5.7.48.2 */
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273 | };
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274 |
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275 | enum ExtKeyUsage_Sum { /* From RFC 5280 */
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276 | EKU_ANY_OID = 151, /* 2.5.29.37.0, anyExtendedKeyUsage */
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277 | EKU_SERVER_AUTH_OID = 71, /* 1.3.6.1.5.5.7.3.1, id-kp-serverAuth */
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278 | EKU_CLIENT_AUTH_OID = 72, /* 1.3.6.1.5.5.7.3.2, id-kp-clientAuth */
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279 | EKU_OCSP_SIGN_OID = 79 /* 1.3.6.1.5.5.7.3.9, OCSPSigning */
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280 | };
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281 |
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282 |
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283 | enum VerifyType {
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284 | NO_VERIFY = 0,
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285 | VERIFY = 1
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286 | };
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287 |
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288 | #ifdef WOLFSSL_CERT_EXT
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289 | enum KeyIdType {
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290 | SKID_TYPE = 0,
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291 | AKID_TYPE = 1
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292 | };
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293 | #endif
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294 |
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295 | /* Key usage extension bits */
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296 | #define KEYUSE_DIGITAL_SIG 0x0080
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297 | #define KEYUSE_CONTENT_COMMIT 0x0040
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298 | #define KEYUSE_KEY_ENCIPHER 0x0020
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299 | #define KEYUSE_DATA_ENCIPHER 0x0010
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300 | #define KEYUSE_KEY_AGREE 0x0008
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301 | #define KEYUSE_KEY_CERT_SIGN 0x0004
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302 | #define KEYUSE_CRL_SIGN 0x0002
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303 | #define KEYUSE_ENCIPHER_ONLY 0x0001
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304 | #define KEYUSE_DECIPHER_ONLY 0x8000
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305 |
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306 | #define EXTKEYUSE_ANY 0x08
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307 | #define EXTKEYUSE_OCSP_SIGN 0x04
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308 | #define EXTKEYUSE_CLIENT_AUTH 0x02
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309 | #define EXTKEYUSE_SERVER_AUTH 0x01
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310 |
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311 | typedef struct DNS_entry DNS_entry;
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312 |
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313 | struct DNS_entry {
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314 | DNS_entry* next; /* next on DNS list */
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315 | char* name; /* actual DNS name */
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316 | };
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317 |
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318 |
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319 | typedef struct Base_entry Base_entry;
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320 |
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321 | struct Base_entry {
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322 | Base_entry* next; /* next on name base list */
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323 | char* name; /* actual name base */
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324 | int nameSz; /* name length */
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325 | byte type; /* Name base type (DNS or RFC822) */
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326 | };
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327 |
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328 |
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329 | struct DecodedName {
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330 | char* fullName;
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331 | int fullNameLen;
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332 | int entryCount;
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333 | int cnIdx;
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334 | int cnLen;
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335 | int snIdx;
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336 | int snLen;
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337 | int cIdx;
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338 | int cLen;
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339 | int lIdx;
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340 | int lLen;
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341 | int stIdx;
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342 | int stLen;
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343 | int oIdx;
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344 | int oLen;
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345 | int ouIdx;
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346 | int ouLen;
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347 | int emailIdx;
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348 | int emailLen;
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349 | int uidIdx;
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350 | int uidLen;
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351 | int serialIdx;
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352 | int serialLen;
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353 | };
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354 |
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355 |
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356 | typedef struct DecodedCert DecodedCert;
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357 | typedef struct DecodedName DecodedName;
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358 | typedef struct Signer Signer;
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359 |
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360 |
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361 | struct DecodedCert {
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362 | byte* publicKey;
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363 | word32 pubKeySize;
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364 | int pubKeyStored;
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365 | word32 certBegin; /* offset to start of cert */
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366 | word32 sigIndex; /* offset to start of signature */
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367 | word32 sigLength; /* length of signature */
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368 | word32 signatureOID; /* sum of algorithm object id */
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369 | word32 keyOID; /* sum of key algo object id */
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370 | int version; /* cert version, 1 or 3 */
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371 | DNS_entry* altNames; /* alt names list of dns entries */
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372 | #ifndef IGNORE_NAME_CONSTRAINTS
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373 | DNS_entry* altEmailNames; /* alt names list of RFC822 entries */
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374 | Base_entry* permittedNames; /* Permitted name bases */
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375 | Base_entry* excludedNames; /* Excluded name bases */
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376 | #endif /* IGNORE_NAME_CONSTRAINTS */
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377 | byte subjectHash[KEYID_SIZE]; /* hash of all Names */
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378 | byte issuerHash[KEYID_SIZE]; /* hash of all Names */
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379 | #ifdef HAVE_OCSP
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380 | byte issuerKeyHash[KEYID_SIZE]; /* hash of the public Key */
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381 | #endif /* HAVE_OCSP */
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382 | byte* signature; /* not owned, points into raw cert */
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383 | char* subjectCN; /* CommonName */
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384 | int subjectCNLen; /* CommonName Length */
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385 | char subjectCNEnc; /* CommonName Encoding */
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386 | int subjectCNStored; /* have we saved a copy we own */
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387 | char issuer[ASN_NAME_MAX]; /* full name including common name */
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388 | char subject[ASN_NAME_MAX]; /* full name including common name */
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389 | int verify; /* Default to yes, but could be off */
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390 | byte* source; /* byte buffer holder cert, NOT owner */
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391 | word32 srcIdx; /* current offset into buffer */
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392 | word32 maxIdx; /* max offset based on init size */
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393 | void* heap; /* for user memory overrides */
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394 | byte serial[EXTERNAL_SERIAL_SIZE]; /* raw serial number */
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395 | int serialSz; /* raw serial bytes stored */
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396 | byte* extensions; /* not owned, points into raw cert */
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397 | int extensionsSz; /* length of cert extensions */
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398 | word32 extensionsIdx; /* if want to go back and parse later */
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399 | byte* extAuthInfo; /* Authority Information Access URI */
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400 | int extAuthInfoSz; /* length of the URI */
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401 | byte* extCrlInfo; /* CRL Distribution Points */
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402 | int extCrlInfoSz; /* length of the URI */
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403 | byte extSubjKeyId[KEYID_SIZE]; /* Subject Key ID */
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404 | byte extSubjKeyIdSet; /* Set when the SKID was read from cert */
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405 | byte extAuthKeyId[KEYID_SIZE]; /* Authority Key ID */
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406 | byte extAuthKeyIdSet; /* Set when the AKID was read from cert */
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407 | #ifndef IGNORE_NAME_CONSTRAINTS
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408 | byte extNameConstraintSet;
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409 | #endif /* IGNORE_NAME_CONSTRAINTS */
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410 | byte isCA; /* CA basic constraint true */
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411 | byte weOwnAltNames; /* altNames haven't been given to copy */
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412 | byte extKeyUsageSet;
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413 | word16 extKeyUsage; /* Key usage bitfield */
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414 | byte extExtKeyUsageSet; /* Extended Key Usage */
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415 | byte extExtKeyUsage; /* Extended Key usage bitfield */
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416 | #ifdef OPENSSL_EXTRA
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417 | byte extBasicConstSet;
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418 | byte extBasicConstCrit;
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419 | byte extBasicConstPlSet;
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420 | word32 pathLength; /* CA basic constraint path length, opt */
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421 | byte extSubjAltNameSet;
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422 | byte extSubjAltNameCrit;
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423 | byte extAuthKeyIdCrit;
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424 | #ifndef IGNORE_NAME_CONSTRAINTS
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425 | byte extNameConstraintCrit;
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426 | #endif /* IGNORE_NAME_CONSTRAINTS */
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427 | byte extSubjKeyIdCrit;
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428 | byte extKeyUsageCrit;
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429 | byte extExtKeyUsageCrit;
|
---|
430 | byte* extExtKeyUsageSrc;
|
---|
431 | word32 extExtKeyUsageSz;
|
---|
432 | word32 extExtKeyUsageCount;
|
---|
433 | byte* extAuthKeyIdSrc;
|
---|
434 | word32 extAuthKeyIdSz;
|
---|
435 | byte* extSubjKeyIdSrc;
|
---|
436 | word32 extSubjKeyIdSz;
|
---|
437 | #endif
|
---|
438 | #ifdef HAVE_ECC
|
---|
439 | word32 pkCurveOID; /* Public Key's curve OID */
|
---|
440 | #endif /* HAVE_ECC */
|
---|
441 | byte* beforeDate;
|
---|
442 | int beforeDateLen;
|
---|
443 | byte* afterDate;
|
---|
444 | int afterDateLen;
|
---|
445 | #ifdef HAVE_PKCS7
|
---|
446 | byte* issuerRaw; /* pointer to issuer inside source */
|
---|
447 | int issuerRawLen;
|
---|
448 | #endif
|
---|
449 | #ifndef IGNORE_NAME_CONSTRAINT
|
---|
450 | byte* subjectRaw; /* pointer to subject inside source */
|
---|
451 | int subjectRawLen;
|
---|
452 | #endif
|
---|
453 | #if defined(WOLFSSL_CERT_GEN)
|
---|
454 | /* easy access to subject info for other sign */
|
---|
455 | char* subjectSN;
|
---|
456 | int subjectSNLen;
|
---|
457 | char subjectSNEnc;
|
---|
458 | char* subjectC;
|
---|
459 | int subjectCLen;
|
---|
460 | char subjectCEnc;
|
---|
461 | char* subjectL;
|
---|
462 | int subjectLLen;
|
---|
463 | char subjectLEnc;
|
---|
464 | char* subjectST;
|
---|
465 | int subjectSTLen;
|
---|
466 | char subjectSTEnc;
|
---|
467 | char* subjectO;
|
---|
468 | int subjectOLen;
|
---|
469 | char subjectOEnc;
|
---|
470 | char* subjectOU;
|
---|
471 | int subjectOULen;
|
---|
472 | char subjectOUEnc;
|
---|
473 | char* subjectEmail;
|
---|
474 | int subjectEmailLen;
|
---|
475 | #endif /* WOLFSSL_CERT_GEN */
|
---|
476 | #ifdef OPENSSL_EXTRA
|
---|
477 | DecodedName issuerName;
|
---|
478 | DecodedName subjectName;
|
---|
479 | #endif /* OPENSSL_EXTRA */
|
---|
480 | #ifdef WOLFSSL_SEP
|
---|
481 | int deviceTypeSz;
|
---|
482 | byte* deviceType;
|
---|
483 | int hwTypeSz;
|
---|
484 | byte* hwType;
|
---|
485 | int hwSerialNumSz;
|
---|
486 | byte* hwSerialNum;
|
---|
487 | #ifdef OPENSSL_EXTRA
|
---|
488 | byte extCertPolicySet;
|
---|
489 | byte extCertPolicyCrit;
|
---|
490 | #endif /* OPENSSL_EXTRA */
|
---|
491 | #endif /* WOLFSSL_SEP */
|
---|
492 | #ifdef WOLFSSL_CERT_EXT
|
---|
493 | char extCertPolicies[MAX_CERTPOL_NB][MAX_CERTPOL_SZ];
|
---|
494 | int extCertPoliciesNb;
|
---|
495 | #endif /* WOLFSSL_CERT_EXT */
|
---|
496 | };
|
---|
497 |
|
---|
498 | extern const char* BEGIN_CERT;
|
---|
499 | extern const char* END_CERT;
|
---|
500 | extern const char* BEGIN_CERT_REQ;
|
---|
501 | extern const char* END_CERT_REQ;
|
---|
502 | extern const char* BEGIN_DH_PARAM;
|
---|
503 | extern const char* END_DH_PARAM;
|
---|
504 | extern const char* BEGIN_X509_CRL;
|
---|
505 | extern const char* END_X509_CRL;
|
---|
506 | extern const char* BEGIN_RSA_PRIV;
|
---|
507 | extern const char* END_RSA_PRIV;
|
---|
508 | extern const char* BEGIN_PRIV_KEY;
|
---|
509 | extern const char* END_PRIV_KEY;
|
---|
510 | extern const char* BEGIN_ENC_PRIV_KEY;
|
---|
511 | extern const char* END_ENC_PRIV_KEY;
|
---|
512 | extern const char* BEGIN_EC_PRIV;
|
---|
513 | extern const char* END_EC_PRIV;
|
---|
514 | extern const char* BEGIN_DSA_PRIV;
|
---|
515 | extern const char* END_DSA_PRIV;
|
---|
516 | extern const char* BEGIN_PUB_KEY;
|
---|
517 | extern const char* END_PUB_KEY;
|
---|
518 |
|
---|
519 | #ifdef NO_SHA
|
---|
520 | #define SIGNER_DIGEST_SIZE SHA256_DIGEST_SIZE
|
---|
521 | #else
|
---|
522 | #define SIGNER_DIGEST_SIZE SHA_DIGEST_SIZE
|
---|
523 | #endif
|
---|
524 |
|
---|
525 | /* CA Signers */
|
---|
526 | /* if change layout change PERSIST_CERT_CACHE functions too */
|
---|
527 | struct Signer {
|
---|
528 | word32 pubKeySize;
|
---|
529 | word32 keyOID; /* key type */
|
---|
530 | word16 keyUsage;
|
---|
531 | byte* publicKey;
|
---|
532 | int nameLen;
|
---|
533 | char* name; /* common name */
|
---|
534 | #ifndef IGNORE_NAME_CONSTRAINTS
|
---|
535 | Base_entry* permittedNames;
|
---|
536 | Base_entry* excludedNames;
|
---|
537 | #endif /* IGNORE_NAME_CONSTRAINTS */
|
---|
538 | byte subjectNameHash[SIGNER_DIGEST_SIZE];
|
---|
539 | /* sha hash of names in certificate */
|
---|
540 | #ifndef NO_SKID
|
---|
541 | byte subjectKeyIdHash[SIGNER_DIGEST_SIZE];
|
---|
542 | /* sha hash of names in certificate */
|
---|
543 | #endif
|
---|
544 | Signer* next;
|
---|
545 | };
|
---|
546 |
|
---|
547 |
|
---|
548 | /* not for public consumption but may use for testing sometimes */
|
---|
549 | #ifdef WOLFSSL_TEST_CERT
|
---|
550 | #define WOLFSSL_TEST_API WOLFSSL_API
|
---|
551 | #else
|
---|
552 | #define WOLFSSL_TEST_API WOLFSSL_LOCAL
|
---|
553 | #endif
|
---|
554 |
|
---|
555 | WOLFSSL_TEST_API void FreeAltNames(DNS_entry*, void*);
|
---|
556 | #ifndef IGNORE_NAME_CONSTRAINTS
|
---|
557 | WOLFSSL_TEST_API void FreeNameSubtrees(Base_entry*, void*);
|
---|
558 | #endif /* IGNORE_NAME_CONSTRAINTS */
|
---|
559 | WOLFSSL_TEST_API void InitDecodedCert(DecodedCert*, byte*, word32, void*);
|
---|
560 | WOLFSSL_TEST_API void FreeDecodedCert(DecodedCert*);
|
---|
561 | WOLFSSL_TEST_API int ParseCert(DecodedCert*, int type, int verify, void* cm);
|
---|
562 |
|
---|
563 | WOLFSSL_LOCAL int ParseCertRelative(DecodedCert*,int type,int verify,void* cm);
|
---|
564 | WOLFSSL_LOCAL int DecodeToKey(DecodedCert*, int verify);
|
---|
565 |
|
---|
566 | WOLFSSL_LOCAL Signer* MakeSigner(void*);
|
---|
567 | WOLFSSL_LOCAL void FreeSigner(Signer*, void*);
|
---|
568 | WOLFSSL_LOCAL void FreeSignerTable(Signer**, int, void*);
|
---|
569 |
|
---|
570 |
|
---|
571 | WOLFSSL_LOCAL int ToTraditional(byte* buffer, word32 length);
|
---|
572 | WOLFSSL_LOCAL int ToTraditionalEnc(byte* buffer, word32 length,const char*,int);
|
---|
573 |
|
---|
574 | WOLFSSL_LOCAL int ValidateDate(const byte* date, byte format, int dateType);
|
---|
575 |
|
---|
576 | /* ASN.1 helper functions */
|
---|
577 | WOLFSSL_LOCAL int GetLength(const byte* input, word32* inOutIdx, int* len,
|
---|
578 | word32 maxIdx);
|
---|
579 | WOLFSSL_LOCAL int GetSequence(const byte* input, word32* inOutIdx, int* len,
|
---|
580 | word32 maxIdx);
|
---|
581 | WOLFSSL_LOCAL int GetSet(const byte* input, word32* inOutIdx, int* len,
|
---|
582 | word32 maxIdx);
|
---|
583 | WOLFSSL_LOCAL int GetMyVersion(const byte* input, word32* inOutIdx,
|
---|
584 | int* version);
|
---|
585 | WOLFSSL_LOCAL int GetInt(mp_int* mpi, const byte* input, word32* inOutIdx,
|
---|
586 | word32 maxIdx);
|
---|
587 | WOLFSSL_LOCAL int GetAlgoId(const byte* input, word32* inOutIdx, word32* oid,
|
---|
588 | word32 maxIdx);
|
---|
589 | WOLFSSL_LOCAL word32 SetLength(word32 length, byte* output);
|
---|
590 | WOLFSSL_LOCAL word32 SetSequence(word32 len, byte* output);
|
---|
591 | WOLFSSL_LOCAL word32 SetOctetString(word32 len, byte* output);
|
---|
592 | WOLFSSL_LOCAL word32 SetImplicit(byte tag,byte number,word32 len,byte* output);
|
---|
593 | WOLFSSL_LOCAL word32 SetExplicit(byte number, word32 len, byte* output);
|
---|
594 | WOLFSSL_LOCAL word32 SetSet(word32 len, byte* output);
|
---|
595 | WOLFSSL_LOCAL word32 SetAlgoID(int algoOID,byte* output,int type,int curveSz);
|
---|
596 | WOLFSSL_LOCAL int SetMyVersion(word32 version, byte* output, int header);
|
---|
597 | WOLFSSL_LOCAL int SetSerialNumber(const byte* sn, word32 snSz, byte* output);
|
---|
598 | WOLFSSL_LOCAL int GetNameHash(const byte* source, word32* idx, byte* hash,
|
---|
599 | int maxIdx);
|
---|
600 |
|
---|
601 | #ifdef HAVE_ECC
|
---|
602 | /* ASN sig helpers */
|
---|
603 | WOLFSSL_LOCAL int StoreECC_DSA_Sig(byte* out, word32* outLen, mp_int* r,
|
---|
604 | mp_int* s);
|
---|
605 | WOLFSSL_LOCAL int DecodeECC_DSA_Sig(const byte* sig, word32 sigLen,
|
---|
606 | mp_int* r, mp_int* s);
|
---|
607 | #endif
|
---|
608 |
|
---|
609 | #ifdef WOLFSSL_CERT_GEN
|
---|
610 |
|
---|
611 | enum cert_enums {
|
---|
612 | NAME_ENTRIES = 8,
|
---|
613 | JOINT_LEN = 2,
|
---|
614 | EMAIL_JOINT_LEN = 9,
|
---|
615 | RSA_KEY = 10,
|
---|
616 | NTRU_KEY = 11,
|
---|
617 | ECC_KEY = 12
|
---|
618 | };
|
---|
619 |
|
---|
620 | #ifndef WOLFSSL_PEMCERT_TODER_DEFINED
|
---|
621 | #ifndef NO_FILESYSTEM
|
---|
622 | /* forward from wolfSSL */
|
---|
623 | WOLFSSL_API
|
---|
624 | int wolfSSL_PemCertToDer(const char* fileName,unsigned char* derBuf,int derSz);
|
---|
625 | #define WOLFSSL_PEMCERT_TODER_DEFINED
|
---|
626 | #endif
|
---|
627 | #endif
|
---|
628 |
|
---|
629 | #endif /* WOLFSSL_CERT_GEN */
|
---|
630 |
|
---|
631 |
|
---|
632 |
|
---|
633 | /* for pointer use */
|
---|
634 | typedef struct CertStatus CertStatus;
|
---|
635 |
|
---|
636 | #ifdef HAVE_OCSP
|
---|
637 |
|
---|
638 | enum Ocsp_Response_Status {
|
---|
639 | OCSP_SUCCESSFUL = 0, /* Response has valid confirmations */
|
---|
640 | OCSP_MALFORMED_REQUEST = 1, /* Illegal confirmation request */
|
---|
641 | OCSP_INTERNAL_ERROR = 2, /* Internal error in issuer */
|
---|
642 | OCSP_TRY_LATER = 3, /* Try again later */
|
---|
643 | OCSP_SIG_REQUIRED = 5, /* Must sign the request (4 is skipped) */
|
---|
644 | OCSP_UNAUTHROIZED = 6 /* Request unauthorized */
|
---|
645 | };
|
---|
646 |
|
---|
647 |
|
---|
648 | enum Ocsp_Cert_Status {
|
---|
649 | CERT_GOOD = 0,
|
---|
650 | CERT_REVOKED = 1,
|
---|
651 | CERT_UNKNOWN = 2
|
---|
652 | };
|
---|
653 |
|
---|
654 |
|
---|
655 | enum Ocsp_Sums {
|
---|
656 | OCSP_BASIC_OID = 117,
|
---|
657 | OCSP_NONCE_OID = 118
|
---|
658 | };
|
---|
659 |
|
---|
660 |
|
---|
661 | typedef struct OcspRequest OcspRequest;
|
---|
662 | typedef struct OcspResponse OcspResponse;
|
---|
663 |
|
---|
664 |
|
---|
665 | struct CertStatus {
|
---|
666 | CertStatus* next;
|
---|
667 |
|
---|
668 | byte serial[EXTERNAL_SERIAL_SIZE];
|
---|
669 | int serialSz;
|
---|
670 |
|
---|
671 | int status;
|
---|
672 |
|
---|
673 | byte thisDate[MAX_DATE_SIZE];
|
---|
674 | byte nextDate[MAX_DATE_SIZE];
|
---|
675 | byte thisDateFormat;
|
---|
676 | byte nextDateFormat;
|
---|
677 | };
|
---|
678 |
|
---|
679 |
|
---|
680 | struct OcspResponse {
|
---|
681 | int responseStatus; /* return code from Responder */
|
---|
682 |
|
---|
683 | byte* response; /* Pointer to beginning of OCSP Response */
|
---|
684 | word32 responseSz; /* length of the OCSP Response */
|
---|
685 |
|
---|
686 | byte producedDate[MAX_DATE_SIZE];
|
---|
687 | /* Date at which this response was signed */
|
---|
688 | byte producedDateFormat; /* format of the producedDate */
|
---|
689 | byte* issuerHash;
|
---|
690 | byte* issuerKeyHash;
|
---|
691 |
|
---|
692 | byte* cert;
|
---|
693 | word32 certSz;
|
---|
694 |
|
---|
695 | byte* sig; /* Pointer to sig in source */
|
---|
696 | word32 sigSz; /* Length in octets for the sig */
|
---|
697 | word32 sigOID; /* OID for hash used for sig */
|
---|
698 |
|
---|
699 | CertStatus* status; /* certificate status to fill out */
|
---|
700 |
|
---|
701 | byte* nonce; /* pointer to nonce inside ASN.1 response */
|
---|
702 | int nonceSz; /* length of the nonce string */
|
---|
703 |
|
---|
704 | byte* source; /* pointer to source buffer, not owned */
|
---|
705 | word32 maxIdx; /* max offset based on init size */
|
---|
706 | };
|
---|
707 |
|
---|
708 |
|
---|
709 | struct OcspRequest {
|
---|
710 | DecodedCert* cert;
|
---|
711 |
|
---|
712 | byte useNonce;
|
---|
713 | byte nonce[MAX_OCSP_NONCE_SZ];
|
---|
714 | int nonceSz;
|
---|
715 |
|
---|
716 | byte* issuerHash; /* pointer to issuerHash in source cert */
|
---|
717 | byte* issuerKeyHash; /* pointer to issuerKeyHash in source cert */
|
---|
718 | byte* serial; /* pointer to serial number in source cert */
|
---|
719 | int serialSz; /* length of the serial number */
|
---|
720 |
|
---|
721 | byte* dest; /* pointer to the destination ASN.1 buffer */
|
---|
722 | word32 destSz; /* length of the destination buffer */
|
---|
723 | };
|
---|
724 |
|
---|
725 |
|
---|
726 | WOLFSSL_LOCAL void InitOcspResponse(OcspResponse*, CertStatus*, byte*, word32);
|
---|
727 | WOLFSSL_LOCAL int OcspResponseDecode(OcspResponse*);
|
---|
728 |
|
---|
729 | WOLFSSL_LOCAL void InitOcspRequest(OcspRequest*, DecodedCert*,
|
---|
730 | byte, byte*, word32);
|
---|
731 | WOLFSSL_LOCAL int EncodeOcspRequest(OcspRequest*);
|
---|
732 |
|
---|
733 | WOLFSSL_LOCAL int CompareOcspReqResp(OcspRequest*, OcspResponse*);
|
---|
734 |
|
---|
735 |
|
---|
736 | #endif /* HAVE_OCSP */
|
---|
737 |
|
---|
738 |
|
---|
739 | /* for pointer use */
|
---|
740 | typedef struct RevokedCert RevokedCert;
|
---|
741 |
|
---|
742 | #ifdef HAVE_CRL
|
---|
743 |
|
---|
744 | struct RevokedCert {
|
---|
745 | byte serialNumber[EXTERNAL_SERIAL_SIZE];
|
---|
746 | int serialSz;
|
---|
747 | RevokedCert* next;
|
---|
748 | };
|
---|
749 |
|
---|
750 | typedef struct DecodedCRL DecodedCRL;
|
---|
751 |
|
---|
752 | struct DecodedCRL {
|
---|
753 | word32 certBegin; /* offset to start of cert */
|
---|
754 | word32 sigIndex; /* offset to start of signature */
|
---|
755 | word32 sigLength; /* length of signature */
|
---|
756 | word32 signatureOID; /* sum of algorithm object id */
|
---|
757 | byte* signature; /* pointer into raw source, not owned */
|
---|
758 | byte issuerHash[SIGNER_DIGEST_SIZE]; /* issuer hash */
|
---|
759 | byte crlHash[SIGNER_DIGEST_SIZE]; /* raw crl data hash */
|
---|
760 | byte lastDate[MAX_DATE_SIZE]; /* last date updated */
|
---|
761 | byte nextDate[MAX_DATE_SIZE]; /* next update date */
|
---|
762 | byte lastDateFormat; /* format of last date */
|
---|
763 | byte nextDateFormat; /* format of next date */
|
---|
764 | RevokedCert* certs; /* revoked cert list */
|
---|
765 | int totalCerts; /* number on list */
|
---|
766 | };
|
---|
767 |
|
---|
768 | WOLFSSL_LOCAL void InitDecodedCRL(DecodedCRL*);
|
---|
769 | WOLFSSL_LOCAL int ParseCRL(DecodedCRL*, const byte* buff, word32 sz, void* cm);
|
---|
770 | WOLFSSL_LOCAL void FreeDecodedCRL(DecodedCRL*);
|
---|
771 |
|
---|
772 |
|
---|
773 | #endif /* HAVE_CRL */
|
---|
774 |
|
---|
775 |
|
---|
776 | #ifdef __cplusplus
|
---|
777 | } /* extern "C" */
|
---|
778 | #endif
|
---|
779 |
|
---|
780 | #endif /* !NO_ASN */
|
---|
781 | #endif /* WOLF_CRYPT_ASN_H */
|
---|
782 |
|
---|