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1 /* crypto/asn1/x_pkey.c */ |
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2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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3 * All rights reserved. |
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4 * |
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5 * This package is an SSL implementation written |
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6 * by Eric Young (eay@cryptsoft.com). |
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7 * The implementation was written so as to conform with Netscapes SSL. |
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8 * |
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9 * This library is free for commercial and non-commercial use as long as |
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10 * the following conditions are aheared to. The following conditions |
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11 * apply to all code found in this distribution, be it the RC4, RSA, |
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12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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13 * included with this distribution is covered by the same copyright terms |
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14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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15 * |
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16 * Copyright remains Eric Young's, and as such any Copyright notices in |
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17 * the code are not to be removed. |
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18 * If this package is used in a product, Eric Young should be given attribution |
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19 * as the author of the parts of the library used. |
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20 * This can be in the form of a textual message at program startup or |
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21 * in documentation (online or textual) provided with the package. |
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22 * |
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23 * Redistribution and use in source and binary forms, with or without |
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24 * modification, are permitted provided that the following conditions |
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25 * are met: |
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26 * 1. Redistributions of source code must retain the copyright |
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27 * notice, this list of conditions and the following disclaimer. |
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28 * 2. Redistributions in binary form must reproduce the above copyright |
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29 * notice, this list of conditions and the following disclaimer in the |
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30 * documentation and/or other materials provided with the distribution. |
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31 * 3. All advertising materials mentioning features or use of this software |
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32 * must display the following acknowledgement: |
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33 * "This product includes cryptographic software written by |
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34 * Eric Young (eay@cryptsoft.com)" |
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35 * The word 'cryptographic' can be left out if the rouines from the library |
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36 * being used are not cryptographic related :-). |
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37 * 4. If you include any Windows specific code (or a derivative thereof) from |
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38 * the apps directory (application code) you must include an acknowledgement: |
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39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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51 * SUCH DAMAGE. |
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52 * |
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53 * The licence and distribution terms for any publically available version or |
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54 * derivative of this code cannot be changed. i.e. this code cannot simply be |
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55 * copied and put under another distribution licence |
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56 * [including the GNU Public Licence.] |
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57 */ |
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58 |
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59 #include <stdio.h> |
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60 #include "cryptlib.h" |
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61 #include <openssl/evp.h> |
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62 #include <openssl/objects.h> |
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63 #include <openssl/asn1_mac.h> |
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64 #include <openssl/x509.h> |
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65 |
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66 /* need to implement */ |
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67 EXPORT_C int i2d_X509_PKEY(X509_PKEY *a, unsigned char **pp) |
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68 { |
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69 return(0); |
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70 } |
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71 |
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72 EXPORT_C X509_PKEY *d2i_X509_PKEY(X509_PKEY **a, const unsigned char **pp, long length) |
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73 { |
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74 int i; |
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75 M_ASN1_D2I_vars(a,X509_PKEY *,X509_PKEY_new); |
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76 |
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77 M_ASN1_D2I_Init(); |
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78 M_ASN1_D2I_start_sequence(); |
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79 M_ASN1_D2I_get_x(X509_ALGOR,ret->enc_algor,d2i_X509_ALGOR); |
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80 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,ret->enc_pkey,d2i_ASN1_OCTET_STRING); |
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81 |
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82 ret->cipher.cipher=EVP_get_cipherbyname( |
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83 OBJ_nid2ln(OBJ_obj2nid(ret->enc_algor->algorithm))); |
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84 if (ret->cipher.cipher == NULL) |
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85 { |
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86 c.error=ASN1_R_UNSUPPORTED_CIPHER; |
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87 c.line=__LINE__; |
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88 goto err; |
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89 } |
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90 if (ret->enc_algor->parameter->type == V_ASN1_OCTET_STRING) |
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91 { |
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92 i=ret->enc_algor->parameter->value.octet_string->length; |
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93 if (i > EVP_MAX_IV_LENGTH) |
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94 { |
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95 c.error=ASN1_R_IV_TOO_LARGE; |
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96 c.line=__LINE__; |
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97 goto err; |
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98 } |
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99 memcpy(ret->cipher.iv, |
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100 ret->enc_algor->parameter->value.octet_string->data,i); |
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101 } |
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102 else |
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103 memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH); |
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104 M_ASN1_D2I_Finish(a,X509_PKEY_free,ASN1_F_D2I_X509_PKEY); |
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105 } |
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106 |
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107 EXPORT_C X509_PKEY *X509_PKEY_new(void) |
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108 { |
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109 X509_PKEY *ret=NULL; |
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110 ASN1_CTX c; |
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111 |
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112 M_ASN1_New_Malloc(ret,X509_PKEY); |
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113 ret->version=0; |
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114 M_ASN1_New(ret->enc_algor,X509_ALGOR_new); |
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115 M_ASN1_New(ret->enc_pkey,M_ASN1_OCTET_STRING_new); |
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116 ret->dec_pkey=NULL; |
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117 ret->key_length=0; |
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118 ret->key_data=NULL; |
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119 ret->key_free=0; |
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120 ret->cipher.cipher=NULL; |
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121 memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH); |
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122 ret->references=1; |
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123 return(ret); |
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124 M_ASN1_New_Error(ASN1_F_X509_PKEY_NEW); |
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125 } |
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126 |
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127 EXPORT_C void X509_PKEY_free(X509_PKEY *x) |
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128 { |
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129 int i; |
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130 |
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131 if (x == NULL) return; |
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132 |
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133 i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_X509_PKEY); |
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134 #ifdef REF_PRINT |
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135 REF_PRINT("X509_PKEY",x); |
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136 #endif |
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137 if (i > 0) return; |
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138 #ifdef REF_CHECK |
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139 if (i < 0) |
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140 { |
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141 fprintf(stderr,"X509_PKEY_free, bad reference count\n"); |
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142 abort(); |
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143 } |
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144 #endif |
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145 |
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146 if (x->enc_algor != NULL) X509_ALGOR_free(x->enc_algor); |
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147 if (x->enc_pkey != NULL) M_ASN1_OCTET_STRING_free(x->enc_pkey); |
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148 if (x->dec_pkey != NULL)EVP_PKEY_free(x->dec_pkey); |
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149 if ((x->key_data != NULL) && (x->key_free)) OPENSSL_free(x->key_data); |
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150 OPENSSL_free(x); |
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151 } |