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1 /* crypto/asn1/t_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 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
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60 * Binary polynomial ECC support in OpenSSL originally developed by |
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61 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
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62 */ |
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63 /* |
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64 © Portions copyright (c) 2006 Nokia Corporation. All rights reserved. |
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65 */ |
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66 #include <stdio.h> |
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67 #include "cryptlib.h" |
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68 #include <openssl/objects.h> |
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69 #include <openssl/buffer.h> |
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70 #include <openssl/bn.h> |
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71 #ifndef OPENSSL_NO_RSA |
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72 #include <openssl/rsa.h> |
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73 #endif |
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74 #ifndef OPENSSL_NO_DH |
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75 #include <openssl/dh.h> |
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76 #endif |
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77 #ifndef OPENSSL_NO_DSA |
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78 #include <openssl/dsa.h> |
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79 #endif |
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80 #ifndef OPENSSL_NO_EC |
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81 #include <openssl/ec.h> |
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82 #endif |
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83 |
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84 static int print(BIO *fp,const char *str, const BIGNUM *num, |
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85 unsigned char *buf,int off); |
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86 #ifndef OPENSSL_NO_EC |
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87 static int print_bin(BIO *fp, const char *str, const unsigned char *num, |
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88 size_t len, int off); |
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89 #endif |
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90 #ifndef OPENSSL_NO_RSA |
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91 #ifndef OPENSSL_NO_FP_API |
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92 EXPORT_C int RSA_print_fp(FILE *fp, const RSA *x, int off) |
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93 { |
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94 BIO *b; |
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95 int ret; |
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96 |
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97 if ((b=BIO_new(BIO_s_file())) == NULL) |
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98 { |
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99 RSAerr(RSA_F_RSA_PRINT_FP,ERR_R_BUF_LIB); |
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100 return(0); |
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101 } |
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102 BIO_set_fp(b,fp,BIO_NOCLOSE); |
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103 ret=RSA_print(b,x,off); |
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104 BIO_free(b); |
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105 return(ret); |
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106 } |
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107 #endif |
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108 |
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109 EXPORT_C int RSA_print(BIO *bp, const RSA *x, int off) |
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110 { |
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111 #ifndef SYMBAIN |
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112 char str[128]; |
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113 #else |
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114 char str[50]; |
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115 #endif |
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116 const char *s; |
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117 unsigned char *m=NULL; |
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118 int ret=0, mod_len = 0; |
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119 size_t buf_len=0, i; |
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120 |
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121 if (x->n) |
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122 buf_len = (size_t)BN_num_bytes(x->n); |
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123 if (x->e) |
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124 if (buf_len < (i = (size_t)BN_num_bytes(x->e))) |
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125 buf_len = i; |
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126 if (x->d) |
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127 if (buf_len < (i = (size_t)BN_num_bytes(x->d))) |
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128 buf_len = i; |
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129 if (x->p) |
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130 if (buf_len < (i = (size_t)BN_num_bytes(x->p))) |
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131 buf_len = i; |
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132 if (x->q) |
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133 if (buf_len < (i = (size_t)BN_num_bytes(x->q))) |
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134 buf_len = i; |
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135 if (x->dmp1) |
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136 if (buf_len < (i = (size_t)BN_num_bytes(x->dmp1))) |
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137 buf_len = i; |
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138 if (x->dmq1) |
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139 if (buf_len < (i = (size_t)BN_num_bytes(x->dmq1))) |
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140 buf_len = i; |
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141 if (x->iqmp) |
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142 if (buf_len < (i = (size_t)BN_num_bytes(x->iqmp))) |
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143 buf_len = i; |
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144 |
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145 m=(unsigned char *)OPENSSL_malloc(buf_len+10); |
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146 if (m == NULL) |
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147 { |
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148 RSAerr(RSA_F_RSA_PRINT,ERR_R_MALLOC_FAILURE); |
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149 goto err; |
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150 } |
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151 |
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152 if (x->n != NULL) |
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153 mod_len = BN_num_bits(x->n); |
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154 |
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155 if (x->d != NULL) |
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156 { |
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157 if(!BIO_indent(bp,off,128)) |
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158 goto err; |
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159 if (BIO_printf(bp,"Private-Key: (%d bit)\n", mod_len) |
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160 <= 0) goto err; |
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161 } |
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162 |
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163 if (x->d == NULL) |
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164 BIO_snprintf(str,sizeof str,"Modulus (%d bit):", mod_len); |
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165 else |
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166 BUF_strlcpy(str,"modulus:",sizeof str); |
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167 if (!print(bp,str,x->n,m,off)) goto err; |
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168 s=(x->d == NULL)?"Exponent:":"publicExponent:"; |
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169 if ((x->e != NULL) && !print(bp,s,x->e,m,off)) |
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170 goto err; |
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171 if ((x->d != NULL) && !print(bp,"privateExponent:",x->d,m,off)) |
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172 goto err; |
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173 if ((x->p != NULL) && !print(bp,"prime1:",x->p,m,off)) |
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174 goto err; |
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175 if ((x->q != NULL) && !print(bp,"prime2:",x->q,m,off)) |
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176 goto err; |
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177 if ((x->dmp1 != NULL) && !print(bp,"exponent1:",x->dmp1,m,off)) |
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178 goto err; |
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179 if ((x->dmq1 != NULL) && !print(bp,"exponent2:",x->dmq1,m,off)) |
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180 goto err; |
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181 if ((x->iqmp != NULL) && !print(bp,"coefficient:",x->iqmp,m,off)) |
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182 goto err; |
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183 ret=1; |
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184 err: |
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185 if (m != NULL) OPENSSL_free(m); |
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186 return(ret); |
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187 |
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188 } |
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189 #endif /* OPENSSL_NO_RSA */ |
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190 |
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191 #ifndef OPENSSL_NO_DSA |
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192 #ifndef OPENSSL_NO_FP_API |
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193 EXPORT_C int DSA_print_fp(FILE *fp, const DSA *x, int off) |
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194 { |
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195 BIO *b; |
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196 int ret; |
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197 |
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198 if ((b=BIO_new(BIO_s_file())) == NULL) |
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199 { |
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200 DSAerr(DSA_F_DSA_PRINT_FP,ERR_R_BUF_LIB); |
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201 return(0); |
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202 } |
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203 BIO_set_fp(b,fp,BIO_NOCLOSE); |
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204 ret=DSA_print(b,x,off); |
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205 BIO_free(b); |
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206 return(ret); |
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207 } |
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208 #endif |
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209 |
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210 EXPORT_C int DSA_print(BIO *bp, const DSA *x, int off) |
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211 { |
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212 unsigned char *m=NULL; |
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213 int ret=0; |
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214 size_t buf_len=0,i; |
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215 |
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216 if (x->p) |
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217 buf_len = (size_t)BN_num_bytes(x->p); |
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218 else |
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219 { |
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220 DSAerr(DSA_F_DSA_PRINT,DSA_R_MISSING_PARAMETERS); |
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221 goto err; |
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222 } |
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223 if (x->q) |
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224 if (buf_len < (i = (size_t)BN_num_bytes(x->q))) |
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225 buf_len = i; |
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226 if (x->g) |
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227 if (buf_len < (i = (size_t)BN_num_bytes(x->g))) |
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228 buf_len = i; |
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229 if (x->priv_key) |
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230 if (buf_len < (i = (size_t)BN_num_bytes(x->priv_key))) |
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231 buf_len = i; |
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232 if (x->pub_key) |
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233 if (buf_len < (i = (size_t)BN_num_bytes(x->pub_key))) |
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234 buf_len = i; |
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235 |
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236 m=(unsigned char *)OPENSSL_malloc(buf_len+10); |
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237 if (m == NULL) |
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238 { |
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239 DSAerr(DSA_F_DSA_PRINT,ERR_R_MALLOC_FAILURE); |
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240 goto err; |
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241 } |
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242 |
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243 if (x->priv_key != NULL) |
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244 { |
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245 if(!BIO_indent(bp,off,128)) |
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246 goto err; |
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247 if (BIO_printf(bp,"Private-Key: (%d bit)\n",BN_num_bits(x->p)) |
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248 <= 0) goto err; |
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249 } |
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250 |
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251 if ((x->priv_key != NULL) && !print(bp,"priv:",x->priv_key,m,off)) |
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252 goto err; |
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253 if ((x->pub_key != NULL) && !print(bp,"pub: ",x->pub_key,m,off)) |
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254 goto err; |
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255 if ((x->p != NULL) && !print(bp,"P: ",x->p,m,off)) goto err; |
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256 if ((x->q != NULL) && !print(bp,"Q: ",x->q,m,off)) goto err; |
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257 if ((x->g != NULL) && !print(bp,"G: ",x->g,m,off)) goto err; |
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258 ret=1; |
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259 err: |
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260 if (m != NULL) OPENSSL_free(m); |
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261 return(ret); |
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262 } |
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263 #endif /* !OPENSSL_NO_DSA */ |
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264 |
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265 #ifndef OPENSSL_NO_EC |
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266 #ifndef OPENSSL_NO_FP_API |
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267 EXPORT_C int ECPKParameters_print_fp(FILE *fp, const EC_GROUP *x, int off) |
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268 { |
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269 BIO *b; |
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270 int ret; |
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271 |
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272 if ((b=BIO_new(BIO_s_file())) == NULL) |
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273 { |
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274 ECerr(EC_F_ECPKPARAMETERS_PRINT_FP,ERR_R_BUF_LIB); |
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275 return(0); |
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276 } |
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277 BIO_set_fp(b, fp, BIO_NOCLOSE); |
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278 ret = ECPKParameters_print(b, x, off); |
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279 BIO_free(b); |
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280 return(ret); |
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281 } |
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282 |
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283 EXPORT_C int EC_KEY_print_fp(FILE *fp, const EC_KEY *x, int off) |
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284 { |
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285 BIO *b; |
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286 int ret; |
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287 |
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288 if ((b=BIO_new(BIO_s_file())) == NULL) |
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289 { |
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290 ECerr(EC_F_EC_KEY_PRINT_FP, ERR_R_BIO_LIB); |
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291 return(0); |
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292 } |
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293 BIO_set_fp(b, fp, BIO_NOCLOSE); |
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294 ret = EC_KEY_print(b, x, off); |
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295 BIO_free(b); |
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296 return(ret); |
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297 } |
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298 #endif |
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299 |
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300 EXPORT_C int ECPKParameters_print(BIO *bp, const EC_GROUP *x, int off) |
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301 { |
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302 unsigned char *buffer=NULL; |
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303 size_t buf_len=0, i; |
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304 int ret=0, reason=ERR_R_BIO_LIB; |
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305 BN_CTX *ctx=NULL; |
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306 const EC_POINT *point=NULL; |
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307 BIGNUM *p=NULL, *a=NULL, *b=NULL, *gen=NULL, |
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308 *order=NULL, *cofactor=NULL; |
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309 const unsigned char *seed; |
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310 size_t seed_len=0; |
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311 |
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312 static const char *gen_compressed = "Generator (compressed):"; |
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313 static const char *gen_uncompressed = "Generator (uncompressed):"; |
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314 static const char *gen_hybrid = "Generator (hybrid):"; |
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315 |
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316 if (!x) |
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317 { |
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318 reason = ERR_R_PASSED_NULL_PARAMETER; |
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319 goto err; |
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320 } |
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321 |
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322 if (EC_GROUP_get_asn1_flag(x)) |
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323 { |
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324 /* the curve parameter are given by an asn1 OID */ |
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325 int nid; |
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326 |
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327 if (!BIO_indent(bp, off, 128)) |
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328 goto err; |
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329 |
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330 nid = EC_GROUP_get_curve_name(x); |
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331 if (nid == 0) |
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332 goto err; |
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333 |
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334 if (BIO_printf(bp, "ASN1 OID: %s", OBJ_nid2sn(nid)) <= 0) |
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335 goto err; |
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336 if (BIO_printf(bp, "\n") <= 0) |
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337 goto err; |
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338 } |
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339 else |
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340 { |
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341 /* explicit parameters */ |
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342 int is_char_two = 0; |
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343 point_conversion_form_t form; |
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344 int tmp_nid = EC_METHOD_get_field_type(EC_GROUP_method_of(x)); |
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345 |
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346 if (tmp_nid == NID_X9_62_characteristic_two_field) |
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347 is_char_two = 1; |
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348 |
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349 if ((p = BN_new()) == NULL || (a = BN_new()) == NULL || |
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350 (b = BN_new()) == NULL || (order = BN_new()) == NULL || |
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351 (cofactor = BN_new()) == NULL) |
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352 { |
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353 reason = ERR_R_MALLOC_FAILURE; |
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354 goto err; |
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355 } |
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356 |
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357 if (is_char_two) |
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358 { |
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359 if (!EC_GROUP_get_curve_GF2m(x, p, a, b, ctx)) |
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360 { |
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361 reason = ERR_R_EC_LIB; |
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362 goto err; |
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363 } |
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364 } |
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365 else /* prime field */ |
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366 { |
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367 if (!EC_GROUP_get_curve_GFp(x, p, a, b, ctx)) |
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368 { |
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369 reason = ERR_R_EC_LIB; |
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370 goto err; |
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371 } |
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372 } |
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373 |
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374 if ((point = EC_GROUP_get0_generator(x)) == NULL) |
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375 { |
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376 reason = ERR_R_EC_LIB; |
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377 goto err; |
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378 } |
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379 if (!EC_GROUP_get_order(x, order, NULL) || |
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380 !EC_GROUP_get_cofactor(x, cofactor, NULL)) |
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381 { |
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382 reason = ERR_R_EC_LIB; |
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383 goto err; |
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384 } |
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385 |
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386 form = EC_GROUP_get_point_conversion_form(x); |
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387 |
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388 if ((gen = EC_POINT_point2bn(x, point, |
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389 form, NULL, ctx)) == NULL) |
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390 { |
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391 reason = ERR_R_EC_LIB; |
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392 goto err; |
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393 } |
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394 |
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395 buf_len = (size_t)BN_num_bytes(p); |
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396 if (buf_len < (i = (size_t)BN_num_bytes(a))) |
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397 buf_len = i; |
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398 if (buf_len < (i = (size_t)BN_num_bytes(b))) |
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399 buf_len = i; |
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400 if (buf_len < (i = (size_t)BN_num_bytes(gen))) |
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401 buf_len = i; |
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402 if (buf_len < (i = (size_t)BN_num_bytes(order))) |
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403 buf_len = i; |
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404 if (buf_len < (i = (size_t)BN_num_bytes(cofactor))) |
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405 buf_len = i; |
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406 |
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407 if ((seed = EC_GROUP_get0_seed(x)) != NULL) |
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408 seed_len = EC_GROUP_get_seed_len(x); |
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409 |
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410 buf_len += 10; |
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411 if ((buffer = OPENSSL_malloc(buf_len)) == NULL) |
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412 { |
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413 reason = ERR_R_MALLOC_FAILURE; |
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414 goto err; |
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415 } |
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416 |
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417 if (!BIO_indent(bp, off, 128)) |
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418 goto err; |
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419 |
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420 /* print the 'short name' of the field type */ |
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421 if (BIO_printf(bp, "Field Type: %s\n", OBJ_nid2sn(tmp_nid)) |
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422 <= 0) |
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423 goto err; |
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424 |
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425 if (is_char_two) |
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426 { |
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427 /* print the 'short name' of the base type OID */ |
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428 int basis_type = EC_GROUP_get_basis_type(x); |
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429 if (basis_type == 0) |
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430 goto err; |
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431 |
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432 if (!BIO_indent(bp, off, 128)) |
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433 goto err; |
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434 |
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435 if (BIO_printf(bp, "Basis Type: %s\n", |
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436 OBJ_nid2sn(basis_type)) <= 0) |
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437 goto err; |
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438 |
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439 /* print the polynomial */ |
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440 if ((p != NULL) && !print(bp, "Polynomial:", p, buffer, |
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441 off)) |
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442 goto err; |
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443 } |
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444 else |
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445 { |
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446 if ((p != NULL) && !print(bp, "Prime:", p, buffer,off)) |
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447 goto err; |
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448 } |
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449 if ((a != NULL) && !print(bp, "A: ", a, buffer, off)) |
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450 goto err; |
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451 if ((b != NULL) && !print(bp, "B: ", b, buffer, off)) |
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452 goto err; |
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453 if (form == POINT_CONVERSION_COMPRESSED) |
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454 { |
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455 if ((gen != NULL) && !print(bp, gen_compressed, gen, |
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456 buffer, off)) |
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457 goto err; |
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458 } |
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459 else if (form == POINT_CONVERSION_UNCOMPRESSED) |
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460 { |
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461 if ((gen != NULL) && !print(bp, gen_uncompressed, gen, |
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462 buffer, off)) |
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463 goto err; |
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464 } |
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465 else /* form == POINT_CONVERSION_HYBRID */ |
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466 { |
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467 if ((gen != NULL) && !print(bp, gen_hybrid, gen, |
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468 buffer, off)) |
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469 goto err; |
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470 } |
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471 if ((order != NULL) && !print(bp, "Order: ", order, |
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472 buffer, off)) goto err; |
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473 if ((cofactor != NULL) && !print(bp, "Cofactor: ", cofactor, |
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474 buffer, off)) goto err; |
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475 if (seed && !print_bin(bp, "Seed:", seed, seed_len, off)) |
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476 goto err; |
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477 } |
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478 ret=1; |
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479 err: |
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480 if (!ret) |
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481 ECerr(EC_F_ECPKPARAMETERS_PRINT, reason); |
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482 if (p) |
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483 BN_free(p); |
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484 if (a) |
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485 BN_free(a); |
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486 if (b) |
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487 BN_free(b); |
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488 if (gen) |
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489 BN_free(gen); |
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490 if (order) |
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491 BN_free(order); |
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492 if (cofactor) |
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493 BN_free(cofactor); |
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494 if (ctx) |
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495 BN_CTX_free(ctx); |
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496 if (buffer != NULL) |
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497 OPENSSL_free(buffer); |
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498 return(ret); |
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499 } |
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500 |
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501 EXPORT_C int EC_KEY_print(BIO *bp, const EC_KEY *x, int off) |
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502 { |
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503 unsigned char *buffer=NULL; |
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504 size_t buf_len=0, i; |
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505 int ret=0, reason=ERR_R_BIO_LIB; |
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506 BIGNUM *pub_key=NULL, *order=NULL; |
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507 BN_CTX *ctx=NULL; |
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508 const EC_GROUP *group; |
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509 const EC_POINT *public_key; |
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510 const BIGNUM *priv_key; |
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511 |
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512 if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL) |
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513 { |
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514 reason = ERR_R_PASSED_NULL_PARAMETER; |
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515 goto err; |
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516 } |
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517 |
|
518 public_key = EC_KEY_get0_public_key(x); |
|
519 if ((pub_key = EC_POINT_point2bn(group, public_key, |
|
520 EC_KEY_get_conv_form(x), NULL, ctx)) == NULL) |
|
521 { |
|
522 reason = ERR_R_EC_LIB; |
|
523 goto err; |
|
524 } |
|
525 |
|
526 buf_len = (size_t)BN_num_bytes(pub_key); |
|
527 priv_key = EC_KEY_get0_private_key(x); |
|
528 if (priv_key != NULL) |
|
529 { |
|
530 if ((i = (size_t)BN_num_bytes(priv_key)) > buf_len) |
|
531 buf_len = i; |
|
532 } |
|
533 |
|
534 buf_len += 10; |
|
535 if ((buffer = OPENSSL_malloc(buf_len)) == NULL) |
|
536 { |
|
537 reason = ERR_R_MALLOC_FAILURE; |
|
538 goto err; |
|
539 } |
|
540 |
|
541 if (priv_key != NULL) |
|
542 { |
|
543 if (!BIO_indent(bp, off, 128)) |
|
544 goto err; |
|
545 if ((order = BN_new()) == NULL) |
|
546 goto err; |
|
547 if (!EC_GROUP_get_order(group, order, NULL)) |
|
548 goto err; |
|
549 if (BIO_printf(bp, "Private-Key: (%d bit)\n", |
|
550 BN_num_bits(order)) <= 0) goto err; |
|
551 } |
|
552 |
|
553 if ((priv_key != NULL) && !print(bp, "priv:", priv_key, |
|
554 buffer, off)) |
|
555 goto err; |
|
556 if ((pub_key != NULL) && !print(bp, "pub: ", pub_key, |
|
557 buffer, off)) |
|
558 goto err; |
|
559 if (!ECPKParameters_print(bp, group, off)) |
|
560 goto err; |
|
561 ret=1; |
|
562 err: |
|
563 if (!ret) |
|
564 ECerr(EC_F_EC_KEY_PRINT, reason); |
|
565 if (pub_key) |
|
566 BN_free(pub_key); |
|
567 if (order) |
|
568 BN_free(order); |
|
569 if (ctx) |
|
570 BN_CTX_free(ctx); |
|
571 if (buffer != NULL) |
|
572 OPENSSL_free(buffer); |
|
573 return(ret); |
|
574 } |
|
575 #endif /* OPENSSL_NO_EC */ |
|
576 |
|
577 static int print(BIO *bp, const char *number, const BIGNUM *num, unsigned char *buf, |
|
578 int off) |
|
579 { |
|
580 int n,i; |
|
581 const char *neg; |
|
582 |
|
583 if (num == NULL) return(1); |
|
584 neg = (BN_is_negative(num))?"-":""; |
|
585 if(!BIO_indent(bp,off,128)) |
|
586 return 0; |
|
587 if (BN_is_zero(num)) |
|
588 { |
|
589 if (BIO_printf(bp, "%s 0\n", number) <= 0) |
|
590 return 0; |
|
591 return 1; |
|
592 } |
|
593 |
|
594 if (BN_num_bytes(num) <= BN_BYTES) |
|
595 { |
|
596 if (BIO_printf(bp,"%s %s%lu (%s0x%lx)\n",number,neg, |
|
597 (unsigned long)num->d[0],neg,(unsigned long)num->d[0]) |
|
598 <= 0) return(0); |
|
599 } |
|
600 else |
|
601 { |
|
602 buf[0]=0; |
|
603 if (BIO_printf(bp,"%s%s",number, |
|
604 (neg[0] == '-')?" (Negative)":"") <= 0) |
|
605 return(0); |
|
606 n=BN_bn2bin(num,&buf[1]); |
|
607 |
|
608 if (buf[1] & 0x80) |
|
609 n++; |
|
610 else buf++; |
|
611 |
|
612 for (i=0; i<n; i++) |
|
613 { |
|
614 if ((i%15) == 0) |
|
615 { |
|
616 if(BIO_puts(bp,"\n") <= 0 |
|
617 || !BIO_indent(bp,off+4,128)) |
|
618 return 0; |
|
619 } |
|
620 if (BIO_printf(bp,"%02x%s",buf[i],((i+1) == n)?"":":") |
|
621 <= 0) return(0); |
|
622 } |
|
623 if (BIO_write(bp,"\n",1) <= 0) return(0); |
|
624 } |
|
625 return(1); |
|
626 } |
|
627 |
|
628 #ifndef OPENSSL_NO_EC |
|
629 static int print_bin(BIO *fp, const char *name, const unsigned char *buf, |
|
630 size_t len, int off) |
|
631 { |
|
632 size_t i; |
|
633 #ifndef SYMBIAN |
|
634 char str[128]; |
|
635 #else |
|
636 char str[80]; |
|
637 #endif |
|
638 |
|
639 if (buf == NULL) |
|
640 return 1; |
|
641 if (off) |
|
642 { |
|
643 #ifndef SYMBIAN |
|
644 if (off > 128) |
|
645 off=128; |
|
646 #else |
|
647 if (off > 80) |
|
648 off=80; |
|
649 #endif |
|
650 memset(str,' ',off); |
|
651 if (BIO_write(fp, str, off) <= 0) |
|
652 return 0; |
|
653 } |
|
654 |
|
655 if (BIO_printf(fp,"%s", name) <= 0) |
|
656 return 0; |
|
657 |
|
658 for (i=0; i<len; i++) |
|
659 { |
|
660 if ((i%15) == 0) |
|
661 { |
|
662 str[0]='\n'; |
|
663 memset(&(str[1]),' ',off+4); |
|
664 if (BIO_write(fp, str, off+1+4) <= 0) |
|
665 return 0; |
|
666 } |
|
667 if (BIO_printf(fp,"%02x%s",buf[i],((i+1) == len)?"":":") <= 0) |
|
668 return 0; |
|
669 } |
|
670 if (BIO_write(fp,"\n",1) <= 0) |
|
671 return 0; |
|
672 |
|
673 return 1; |
|
674 } |
|
675 #endif |
|
676 |
|
677 #ifndef OPENSSL_NO_DH |
|
678 #ifndef OPENSSL_NO_FP_API |
|
679 EXPORT_C int DHparams_print_fp(FILE *fp, const DH *x) |
|
680 { |
|
681 BIO *b; |
|
682 int ret; |
|
683 |
|
684 if ((b=BIO_new(BIO_s_file())) == NULL) |
|
685 { |
|
686 DHerr(DH_F_DHPARAMS_PRINT_FP,ERR_R_BUF_LIB); |
|
687 return(0); |
|
688 } |
|
689 BIO_set_fp(b,fp,BIO_NOCLOSE); |
|
690 ret=DHparams_print(b, x); |
|
691 BIO_free(b); |
|
692 return(ret); |
|
693 } |
|
694 #endif |
|
695 |
|
696 EXPORT_C int DHparams_print(BIO *bp, const DH *x) |
|
697 { |
|
698 unsigned char *m=NULL; |
|
699 int reason=ERR_R_BUF_LIB,ret=0; |
|
700 size_t buf_len=0, i; |
|
701 |
|
702 if (x->p) |
|
703 buf_len = (size_t)BN_num_bytes(x->p); |
|
704 else |
|
705 { |
|
706 reason = ERR_R_PASSED_NULL_PARAMETER; |
|
707 goto err; |
|
708 } |
|
709 if (x->g) |
|
710 if (buf_len < (i = (size_t)BN_num_bytes(x->g))) |
|
711 buf_len = i; |
|
712 m=(unsigned char *)OPENSSL_malloc(buf_len+10); |
|
713 if (m == NULL) |
|
714 { |
|
715 reason=ERR_R_MALLOC_FAILURE; |
|
716 goto err; |
|
717 } |
|
718 |
|
719 if (BIO_printf(bp,"Diffie-Hellman-Parameters: (%d bit)\n", |
|
720 BN_num_bits(x->p)) <= 0) |
|
721 goto err; |
|
722 if (!print(bp,"prime:",x->p,m,4)) goto err; |
|
723 if (!print(bp,"generator:",x->g,m,4)) goto err; |
|
724 if (x->length != 0) |
|
725 { |
|
726 if (BIO_printf(bp," recommended-private-length: %d bits\n", |
|
727 (int)x->length) <= 0) goto err; |
|
728 } |
|
729 ret=1; |
|
730 if (0) |
|
731 { |
|
732 err: |
|
733 DHerr(DH_F_DHPARAMS_PRINT,reason); |
|
734 } |
|
735 if (m != NULL) OPENSSL_free(m); |
|
736 return(ret); |
|
737 } |
|
738 #endif |
|
739 |
|
740 #ifndef OPENSSL_NO_DSA |
|
741 #ifndef OPENSSL_NO_FP_API |
|
742 EXPORT_C int DSAparams_print_fp(FILE *fp, const DSA *x) |
|
743 { |
|
744 BIO *b; |
|
745 int ret; |
|
746 |
|
747 if ((b=BIO_new(BIO_s_file())) == NULL) |
|
748 { |
|
749 DSAerr(DSA_F_DSAPARAMS_PRINT_FP,ERR_R_BUF_LIB); |
|
750 return(0); |
|
751 } |
|
752 BIO_set_fp(b,fp,BIO_NOCLOSE); |
|
753 ret=DSAparams_print(b, x); |
|
754 BIO_free(b); |
|
755 return(ret); |
|
756 } |
|
757 #endif |
|
758 |
|
759 EXPORT_C int DSAparams_print(BIO *bp, const DSA *x) |
|
760 { |
|
761 unsigned char *m=NULL; |
|
762 int ret=0; |
|
763 size_t buf_len=0,i; |
|
764 |
|
765 if (x->p) |
|
766 buf_len = (size_t)BN_num_bytes(x->p); |
|
767 else |
|
768 { |
|
769 DSAerr(DSA_F_DSAPARAMS_PRINT,DSA_R_MISSING_PARAMETERS); |
|
770 goto err; |
|
771 } |
|
772 if (x->q) |
|
773 if (buf_len < (i = (size_t)BN_num_bytes(x->q))) |
|
774 buf_len = i; |
|
775 if (x->g) |
|
776 if (buf_len < (i = (size_t)BN_num_bytes(x->g))) |
|
777 buf_len = i; |
|
778 m=(unsigned char *)OPENSSL_malloc(buf_len+10); |
|
779 if (m == NULL) |
|
780 { |
|
781 DSAerr(DSA_F_DSAPARAMS_PRINT,ERR_R_MALLOC_FAILURE); |
|
782 goto err; |
|
783 } |
|
784 |
|
785 if (BIO_printf(bp,"DSA-Parameters: (%d bit)\n", |
|
786 BN_num_bits(x->p)) <= 0) |
|
787 goto err; |
|
788 if (!print(bp,"p:",x->p,m,4)) goto err; |
|
789 if ((x->q != NULL) && !print(bp,"q:",x->q,m,4)) goto err; |
|
790 if ((x->g != NULL) && !print(bp,"g:",x->g,m,4)) goto err; |
|
791 ret=1; |
|
792 err: |
|
793 if (m != NULL) OPENSSL_free(m); |
|
794 return(ret); |
|
795 } |
|
796 |
|
797 #endif /* !OPENSSL_NO_DSA */ |
|
798 |
|
799 #ifndef OPENSSL_NO_EC |
|
800 #ifndef OPENSSL_NO_FP_API |
|
801 EXPORT_C int ECParameters_print_fp(FILE *fp, const EC_KEY *x) |
|
802 { |
|
803 BIO *b; |
|
804 int ret; |
|
805 |
|
806 if ((b=BIO_new(BIO_s_file())) == NULL) |
|
807 { |
|
808 ECerr(EC_F_ECPARAMETERS_PRINT_FP, ERR_R_BIO_LIB); |
|
809 return(0); |
|
810 } |
|
811 BIO_set_fp(b, fp, BIO_NOCLOSE); |
|
812 ret = ECParameters_print(b, x); |
|
813 BIO_free(b); |
|
814 return(ret); |
|
815 } |
|
816 #endif |
|
817 |
|
818 EXPORT_C int ECParameters_print(BIO *bp, const EC_KEY *x) |
|
819 { |
|
820 int reason=ERR_R_EC_LIB, ret=0; |
|
821 BIGNUM *order=NULL; |
|
822 const EC_GROUP *group; |
|
823 |
|
824 if (x == NULL || (group = EC_KEY_get0_group(x)) == NULL) |
|
825 { |
|
826 reason = ERR_R_PASSED_NULL_PARAMETER;; |
|
827 goto err; |
|
828 } |
|
829 |
|
830 if ((order = BN_new()) == NULL) |
|
831 { |
|
832 reason = ERR_R_MALLOC_FAILURE; |
|
833 goto err; |
|
834 } |
|
835 |
|
836 if (!EC_GROUP_get_order(group, order, NULL)) |
|
837 { |
|
838 reason = ERR_R_EC_LIB; |
|
839 goto err; |
|
840 } |
|
841 |
|
842 if (BIO_printf(bp, "ECDSA-Parameters: (%d bit)\n", |
|
843 BN_num_bits(order)) <= 0) |
|
844 goto err; |
|
845 if (!ECPKParameters_print(bp, group, 4)) |
|
846 goto err; |
|
847 ret=1; |
|
848 err: |
|
849 if (order) |
|
850 BN_free(order); |
|
851 ECerr(EC_F_ECPARAMETERS_PRINT, reason); |
|
852 return(ret); |
|
853 } |
|
854 |
|
855 #endif |