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1 /* crypto/pem/pem_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/buffer.h> |
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62 #include <openssl/objects.h> |
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63 #include <openssl/evp.h> |
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64 #include <openssl/rand.h> |
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65 #include <openssl/x509.h> |
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66 #include <openssl/pkcs12.h> |
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67 #include <openssl/pem.h> |
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68 |
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69 |
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70 EXPORT_C EVP_PKEY *PEM_read_bio_PrivateKey(BIO *bp, EVP_PKEY **x, pem_password_cb *cb, void *u) |
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71 { |
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72 char *nm=NULL; |
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73 const unsigned char *p=NULL; |
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74 unsigned char *data=NULL; |
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75 long len; |
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76 EVP_PKEY *ret=NULL; |
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77 |
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78 if (!PEM_bytes_read_bio(&data, &len, &nm, PEM_STRING_EVP_PKEY, bp, cb, u)) |
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79 return NULL; |
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80 p = data; |
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81 |
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82 if (strcmp(nm,PEM_STRING_RSA) == 0) |
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83 ret=d2i_PrivateKey(EVP_PKEY_RSA,x,&p,len); |
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84 else if (strcmp(nm,PEM_STRING_DSA) == 0) |
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85 ret=d2i_PrivateKey(EVP_PKEY_DSA,x,&p,len); |
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86 else if (strcmp(nm,PEM_STRING_ECPRIVATEKEY) == 0) |
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87 ret=d2i_PrivateKey(EVP_PKEY_EC,x,&p,len); |
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88 else if (strcmp(nm,PEM_STRING_PKCS8INF) == 0) { |
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89 PKCS8_PRIV_KEY_INFO *p8inf; |
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90 p8inf=d2i_PKCS8_PRIV_KEY_INFO(NULL, &p, len); |
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91 if(!p8inf) goto p8err; |
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92 ret = EVP_PKCS82PKEY(p8inf); |
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93 if(x) { |
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94 if(*x) EVP_PKEY_free((EVP_PKEY *)*x); |
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95 *x = ret; |
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96 } |
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97 PKCS8_PRIV_KEY_INFO_free(p8inf); |
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98 } else if (strcmp(nm,PEM_STRING_PKCS8) == 0) { |
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99 PKCS8_PRIV_KEY_INFO *p8inf; |
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100 X509_SIG *p8; |
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101 int klen; |
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102 char psbuf[PEM_BUFSIZE]; |
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103 p8 = d2i_X509_SIG(NULL, &p, len); |
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104 if(!p8) goto p8err; |
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105 if (cb) klen=cb(psbuf,PEM_BUFSIZE,0,u); |
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106 else klen=PEM_def_callback(psbuf,PEM_BUFSIZE,0,u); |
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107 if (klen <= 0) { |
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108 PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY, |
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109 PEM_R_BAD_PASSWORD_READ); |
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110 X509_SIG_free(p8); |
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111 goto err; |
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112 } |
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113 p8inf = PKCS8_decrypt(p8, psbuf, klen); |
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114 X509_SIG_free(p8); |
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115 if(!p8inf) goto p8err; |
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116 ret = EVP_PKCS82PKEY(p8inf); |
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117 if(x) { |
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118 if(*x) EVP_PKEY_free((EVP_PKEY *)*x); |
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119 *x = ret; |
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120 } |
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121 PKCS8_PRIV_KEY_INFO_free(p8inf); |
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122 } |
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123 p8err: |
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124 if (ret == NULL) |
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125 PEMerr(PEM_F_PEM_READ_BIO_PRIVATEKEY,ERR_R_ASN1_LIB); |
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126 err: |
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127 OPENSSL_free(nm); |
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128 OPENSSL_cleanse(data, len); |
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129 OPENSSL_free(data); |
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130 return(ret); |
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131 } |
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132 |
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133 #ifndef OPENSSL_NO_FP_API |
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134 EXPORT_C EVP_PKEY *PEM_read_PrivateKey(FILE *fp, EVP_PKEY **x, pem_password_cb *cb, void *u) |
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135 { |
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136 BIO *b; |
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137 EVP_PKEY *ret; |
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138 |
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139 if ((b=BIO_new(BIO_s_file())) == NULL) |
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140 { |
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141 PEMerr(PEM_F_PEM_READ_PRIVATEKEY,ERR_R_BUF_LIB); |
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142 return(0); |
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143 } |
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144 BIO_set_fp(b,fp,BIO_NOCLOSE); |
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145 ret=PEM_read_bio_PrivateKey(b,x,cb,u); |
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146 BIO_free(b); |
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147 return(ret); |
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148 } |
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149 #endif |