1 | #include <machine/rtems-bsd-user-space.h> |
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2 | |
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3 | /* |
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4 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
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5 | * |
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6 | * Licensed under the OpenSSL license (the "License"). You may not use |
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7 | * this file except in compliance with the License. You can obtain a copy |
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8 | * in the file LICENSE in the source distribution or at |
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9 | * https://www.openssl.org/source/license.html |
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10 | */ |
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11 | |
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12 | #include <openssl/opensslconf.h> |
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13 | #ifdef OPENSSL_NO_RSA |
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14 | NON_EMPTY_TRANSLATION_UNIT |
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15 | #else |
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16 | |
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17 | # include <stdio.h> |
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18 | # include <stdlib.h> |
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19 | # include <string.h> |
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20 | # include <time.h> |
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21 | # include "apps.h" |
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22 | # include "progs.h" |
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23 | # include <openssl/bio.h> |
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24 | # include <openssl/err.h> |
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25 | # include <openssl/rsa.h> |
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26 | # include <openssl/evp.h> |
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27 | # include <openssl/x509.h> |
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28 | # include <openssl/pem.h> |
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29 | # include <openssl/bn.h> |
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30 | |
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31 | typedef enum OPTION_choice { |
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32 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, |
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33 | OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT, |
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34 | OPT_PUBIN, OPT_PUBOUT, OPT_PASSOUT, OPT_PASSIN, |
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35 | OPT_RSAPUBKEY_IN, OPT_RSAPUBKEY_OUT, |
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36 | /* Do not change the order here; see case statements below */ |
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37 | OPT_PVK_NONE, OPT_PVK_WEAK, OPT_PVK_STRONG, |
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38 | OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_CHECK, OPT_CIPHER |
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39 | } OPTION_CHOICE; |
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40 | |
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41 | const OPTIONS rsa_options[] = { |
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42 | {"help", OPT_HELP, '-', "Display this summary"}, |
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43 | {"inform", OPT_INFORM, 'f', "Input format, one of DER PEM"}, |
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44 | {"outform", OPT_OUTFORM, 'f', "Output format, one of DER PEM PVK"}, |
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45 | {"in", OPT_IN, 's', "Input file"}, |
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46 | {"out", OPT_OUT, '>', "Output file"}, |
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47 | {"pubin", OPT_PUBIN, '-', "Expect a public key in input file"}, |
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48 | {"pubout", OPT_PUBOUT, '-', "Output a public key"}, |
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49 | {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, |
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50 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
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51 | {"RSAPublicKey_in", OPT_RSAPUBKEY_IN, '-', "Input is an RSAPublicKey"}, |
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52 | {"RSAPublicKey_out", OPT_RSAPUBKEY_OUT, '-', "Output is an RSAPublicKey"}, |
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53 | {"noout", OPT_NOOUT, '-', "Don't print key out"}, |
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54 | {"text", OPT_TEXT, '-', "Print the key in text"}, |
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55 | {"modulus", OPT_MODULUS, '-', "Print the RSA key modulus"}, |
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56 | {"check", OPT_CHECK, '-', "Verify key consistency"}, |
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57 | {"", OPT_CIPHER, '-', "Any supported cipher"}, |
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58 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) |
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59 | {"pvk-strong", OPT_PVK_STRONG, '-', "Enable 'Strong' PVK encoding level (default)"}, |
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60 | {"pvk-weak", OPT_PVK_WEAK, '-', "Enable 'Weak' PVK encoding level"}, |
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61 | {"pvk-none", OPT_PVK_NONE, '-', "Don't enforce PVK encoding"}, |
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62 | # endif |
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63 | # ifndef OPENSSL_NO_ENGINE |
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64 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, |
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65 | # endif |
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66 | {NULL} |
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67 | }; |
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68 | |
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69 | int rsa_main(int argc, char **argv) |
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70 | { |
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71 | ENGINE *e = NULL; |
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72 | BIO *out = NULL; |
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73 | RSA *rsa = NULL; |
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74 | const EVP_CIPHER *enc = NULL; |
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75 | char *infile = NULL, *outfile = NULL, *prog; |
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76 | char *passin = NULL, *passout = NULL, *passinarg = NULL, *passoutarg = NULL; |
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77 | int i, private = 0; |
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78 | int informat = FORMAT_PEM, outformat = FORMAT_PEM, text = 0, check = 0; |
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79 | int noout = 0, modulus = 0, pubin = 0, pubout = 0, ret = 1; |
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80 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) |
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81 | int pvk_encr = 2; |
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82 | # endif |
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83 | OPTION_CHOICE o; |
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84 | |
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85 | prog = opt_init(argc, argv, rsa_options); |
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86 | while ((o = opt_next()) != OPT_EOF) { |
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87 | switch (o) { |
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88 | case OPT_EOF: |
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89 | case OPT_ERR: |
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90 | opthelp: |
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91 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); |
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92 | goto end; |
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93 | case OPT_HELP: |
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94 | opt_help(rsa_options); |
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95 | ret = 0; |
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96 | goto end; |
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97 | case OPT_INFORM: |
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98 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat)) |
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99 | goto opthelp; |
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100 | break; |
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101 | case OPT_IN: |
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102 | infile = opt_arg(); |
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103 | break; |
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104 | case OPT_OUTFORM: |
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105 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &outformat)) |
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106 | goto opthelp; |
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107 | break; |
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108 | case OPT_OUT: |
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109 | outfile = opt_arg(); |
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110 | break; |
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111 | case OPT_PASSIN: |
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112 | passinarg = opt_arg(); |
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113 | break; |
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114 | case OPT_PASSOUT: |
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115 | passoutarg = opt_arg(); |
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116 | break; |
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117 | case OPT_ENGINE: |
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118 | e = setup_engine(opt_arg(), 0); |
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119 | break; |
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120 | case OPT_PUBIN: |
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121 | pubin = 1; |
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122 | break; |
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123 | case OPT_PUBOUT: |
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124 | pubout = 1; |
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125 | break; |
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126 | case OPT_RSAPUBKEY_IN: |
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127 | pubin = 2; |
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128 | break; |
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129 | case OPT_RSAPUBKEY_OUT: |
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130 | pubout = 2; |
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131 | break; |
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132 | case OPT_PVK_STRONG: /* pvk_encr:= 2 */ |
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133 | case OPT_PVK_WEAK: /* pvk_encr:= 1 */ |
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134 | case OPT_PVK_NONE: /* pvk_encr:= 0 */ |
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135 | # if !defined(OPENSSL_NO_DSA) && !defined(OPENSSL_NO_RC4) |
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136 | pvk_encr = (o - OPT_PVK_NONE); |
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137 | # endif |
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138 | break; |
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139 | case OPT_NOOUT: |
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140 | noout = 1; |
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141 | break; |
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142 | case OPT_TEXT: |
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143 | text = 1; |
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144 | break; |
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145 | case OPT_MODULUS: |
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146 | modulus = 1; |
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147 | break; |
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148 | case OPT_CHECK: |
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149 | check = 1; |
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150 | break; |
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151 | case OPT_CIPHER: |
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152 | if (!opt_cipher(opt_unknown(), &enc)) |
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153 | goto opthelp; |
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154 | break; |
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155 | } |
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156 | } |
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157 | argc = opt_num_rest(); |
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158 | if (argc != 0) |
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159 | goto opthelp; |
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160 | |
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161 | private = (text && !pubin) || (!pubout && !noout) ? 1 : 0; |
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162 | |
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163 | if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
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164 | BIO_printf(bio_err, "Error getting passwords\n"); |
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165 | goto end; |
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166 | } |
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167 | if (check && pubin) { |
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168 | BIO_printf(bio_err, "Only private keys can be checked\n"); |
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169 | goto end; |
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170 | } |
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171 | |
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172 | { |
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173 | EVP_PKEY *pkey; |
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174 | |
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175 | if (pubin) { |
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176 | int tmpformat = -1; |
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177 | if (pubin == 2) { |
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178 | if (informat == FORMAT_PEM) |
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179 | tmpformat = FORMAT_PEMRSA; |
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180 | else if (informat == FORMAT_ASN1) |
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181 | tmpformat = FORMAT_ASN1RSA; |
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182 | } else { |
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183 | tmpformat = informat; |
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184 | } |
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185 | |
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186 | pkey = load_pubkey(infile, tmpformat, 1, passin, e, "Public Key"); |
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187 | } else { |
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188 | pkey = load_key(infile, informat, 1, passin, e, "Private Key"); |
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189 | } |
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190 | |
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191 | if (pkey != NULL) |
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192 | rsa = EVP_PKEY_get1_RSA(pkey); |
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193 | EVP_PKEY_free(pkey); |
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194 | } |
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195 | |
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196 | if (rsa == NULL) { |
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197 | ERR_print_errors(bio_err); |
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198 | goto end; |
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199 | } |
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200 | |
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201 | out = bio_open_owner(outfile, outformat, private); |
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202 | if (out == NULL) |
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203 | goto end; |
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204 | |
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205 | if (text) { |
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206 | assert(pubin || private); |
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207 | if (!RSA_print(out, rsa, 0)) { |
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208 | perror(outfile); |
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209 | ERR_print_errors(bio_err); |
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210 | goto end; |
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211 | } |
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212 | } |
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213 | |
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214 | if (modulus) { |
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215 | const BIGNUM *n; |
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216 | RSA_get0_key(rsa, &n, NULL, NULL); |
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217 | BIO_printf(out, "Modulus="); |
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218 | BN_print(out, n); |
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219 | BIO_printf(out, "\n"); |
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220 | } |
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221 | |
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222 | if (check) { |
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223 | int r = RSA_check_key_ex(rsa, NULL); |
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224 | |
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225 | if (r == 1) { |
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226 | BIO_printf(out, "RSA key ok\n"); |
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227 | } else if (r == 0) { |
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228 | unsigned long err; |
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229 | |
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230 | while ((err = ERR_peek_error()) != 0 && |
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231 | ERR_GET_LIB(err) == ERR_LIB_RSA && |
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232 | ERR_GET_FUNC(err) == RSA_F_RSA_CHECK_KEY_EX && |
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233 | ERR_GET_REASON(err) != ERR_R_MALLOC_FAILURE) { |
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234 | BIO_printf(out, "RSA key error: %s\n", |
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235 | ERR_reason_error_string(err)); |
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236 | ERR_get_error(); /* remove err from error stack */ |
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237 | } |
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238 | } else if (r == -1) { |
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239 | ERR_print_errors(bio_err); |
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240 | goto end; |
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241 | } |
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242 | } |
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243 | |
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244 | if (noout) { |
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245 | ret = 0; |
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246 | goto end; |
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247 | } |
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248 | BIO_printf(bio_err, "writing RSA key\n"); |
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249 | if (outformat == FORMAT_ASN1) { |
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250 | if (pubout || pubin) { |
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251 | if (pubout == 2) |
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252 | i = i2d_RSAPublicKey_bio(out, rsa); |
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253 | else |
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254 | i = i2d_RSA_PUBKEY_bio(out, rsa); |
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255 | } else { |
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256 | assert(private); |
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257 | i = i2d_RSAPrivateKey_bio(out, rsa); |
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258 | } |
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259 | } else if (outformat == FORMAT_PEM) { |
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260 | if (pubout || pubin) { |
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261 | if (pubout == 2) |
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262 | i = PEM_write_bio_RSAPublicKey(out, rsa); |
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263 | else |
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264 | i = PEM_write_bio_RSA_PUBKEY(out, rsa); |
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265 | } else { |
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266 | assert(private); |
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267 | i = PEM_write_bio_RSAPrivateKey(out, rsa, |
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268 | enc, NULL, 0, NULL, passout); |
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269 | } |
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270 | # ifndef OPENSSL_NO_DSA |
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271 | } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) { |
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272 | EVP_PKEY *pk; |
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273 | pk = EVP_PKEY_new(); |
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274 | if (pk == NULL) |
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275 | goto end; |
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276 | |
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277 | EVP_PKEY_set1_RSA(pk, rsa); |
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278 | if (outformat == FORMAT_PVK) { |
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279 | if (pubin) { |
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280 | BIO_printf(bio_err, "PVK form impossible with public key input\n"); |
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281 | EVP_PKEY_free(pk); |
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282 | goto end; |
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283 | } |
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284 | assert(private); |
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285 | # ifdef OPENSSL_NO_RC4 |
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286 | BIO_printf(bio_err, "PVK format not supported\n"); |
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287 | EVP_PKEY_free(pk); |
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288 | goto end; |
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289 | # else |
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290 | i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout); |
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291 | # endif |
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292 | } else if (pubin || pubout) { |
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293 | i = i2b_PublicKey_bio(out, pk); |
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294 | } else { |
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295 | assert(private); |
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296 | i = i2b_PrivateKey_bio(out, pk); |
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297 | } |
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298 | EVP_PKEY_free(pk); |
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299 | # endif |
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300 | } else { |
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301 | BIO_printf(bio_err, "bad output format specified for outfile\n"); |
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302 | goto end; |
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303 | } |
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304 | if (i <= 0) { |
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305 | BIO_printf(bio_err, "unable to write key\n"); |
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306 | ERR_print_errors(bio_err); |
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307 | } else { |
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308 | ret = 0; |
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309 | } |
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310 | end: |
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311 | release_engine(e); |
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312 | BIO_free_all(out); |
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313 | RSA_free(rsa); |
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314 | OPENSSL_free(passin); |
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315 | OPENSSL_free(passout); |
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316 | return ret; |
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317 | } |
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318 | #endif |
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