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1 /* p12_crpt.c */ |
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2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL |
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3 * project 1999. |
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4 */ |
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5 /* ==================================================================== |
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6 * Copyright (c) 1999 The OpenSSL Project. All rights reserved. |
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7 * |
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8 * Redistribution and use in source and binary forms, with or without |
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9 * modification, are permitted provided that the following conditions |
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10 * are met: |
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11 * |
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12 * 1. Redistributions of source code must retain the above copyright |
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13 * notice, this list of conditions and the following disclaimer. |
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14 * |
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15 * 2. Redistributions in binary form must reproduce the above copyright |
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16 * notice, this list of conditions and the following disclaimer in |
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17 * the documentation and/or other materials provided with the |
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18 * distribution. |
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19 * |
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20 * 3. All advertising materials mentioning features or use of this |
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21 * software must display the following acknowledgment: |
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22 * "This product includes software developed by the OpenSSL Project |
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23 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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24 * |
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25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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26 * endorse or promote products derived from this software without |
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27 * prior written permission. For written permission, please contact |
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28 * licensing@OpenSSL.org. |
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29 * |
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30 * 5. Products derived from this software may not be called "OpenSSL" |
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31 * nor may "OpenSSL" appear in their names without prior written |
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32 * permission of the OpenSSL Project. |
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33 * |
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34 * 6. Redistributions of any form whatsoever must retain the following |
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35 * acknowledgment: |
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36 * "This product includes software developed by the OpenSSL Project |
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37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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38 * |
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39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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50 * OF THE POSSIBILITY OF SUCH DAMAGE. |
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51 * ==================================================================== |
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52 * |
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53 * This product includes cryptographic software written by Eric Young |
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54 * (eay@cryptsoft.com). This product includes software written by Tim |
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55 * Hudson (tjh@cryptsoft.com). |
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56 * |
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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/pkcs12.h> |
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62 |
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63 /* PKCS#12 specific PBE functions */ |
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64 |
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65 EXPORT_C void PKCS12_PBE_add(void) |
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66 { |
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67 #ifndef OPENSSL_NO_RC4 |
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68 EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC4, EVP_rc4(), EVP_sha1(), |
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69 PKCS12_PBE_keyivgen); |
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70 EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC4, EVP_rc4_40(), EVP_sha1(), |
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71 PKCS12_PBE_keyivgen); |
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72 #endif |
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73 #ifndef OPENSSL_NO_DES |
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74 EVP_PBE_alg_add(NID_pbe_WithSHA1And3_Key_TripleDES_CBC, |
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75 EVP_des_ede3_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); |
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76 EVP_PBE_alg_add(NID_pbe_WithSHA1And2_Key_TripleDES_CBC, |
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77 EVP_des_ede_cbc(), EVP_sha1(), PKCS12_PBE_keyivgen); |
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78 #endif |
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79 #ifndef OPENSSL_NO_RC2 |
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80 EVP_PBE_alg_add(NID_pbe_WithSHA1And128BitRC2_CBC, EVP_rc2_cbc(), |
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81 EVP_sha1(), PKCS12_PBE_keyivgen); |
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82 EVP_PBE_alg_add(NID_pbe_WithSHA1And40BitRC2_CBC, EVP_rc2_40_cbc(), |
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83 EVP_sha1(), PKCS12_PBE_keyivgen); |
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84 #endif |
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85 } |
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86 |
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87 EXPORT_C int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, |
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88 ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de) |
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89 { |
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90 PBEPARAM *pbe; |
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91 int saltlen, iter, ret; |
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92 unsigned char *salt; |
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93 const unsigned char *pbuf; |
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94 unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; |
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95 |
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96 /* Extract useful info from parameter */ |
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97 if (param == NULL || param->type != V_ASN1_SEQUENCE || |
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98 param->value.sequence == NULL) { |
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99 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); |
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100 return 0; |
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101 } |
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102 |
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103 pbuf = param->value.sequence->data; |
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104 if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) { |
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105 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_DECODE_ERROR); |
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106 return 0; |
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107 } |
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108 |
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109 if (!pbe->iter) iter = 1; |
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110 else iter = ASN1_INTEGER_get (pbe->iter); |
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111 salt = pbe->salt->data; |
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112 saltlen = pbe->salt->length; |
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113 if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_KEY_ID, |
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114 iter, EVP_CIPHER_key_length(cipher), key, md)) { |
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115 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_KEY_GEN_ERROR); |
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116 PBEPARAM_free(pbe); |
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117 return 0; |
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118 } |
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119 if (!PKCS12_key_gen (pass, passlen, salt, saltlen, PKCS12_IV_ID, |
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120 iter, EVP_CIPHER_iv_length(cipher), iv, md)) { |
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121 PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN,PKCS12_R_IV_GEN_ERROR); |
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122 PBEPARAM_free(pbe); |
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123 return 0; |
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124 } |
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125 PBEPARAM_free(pbe); |
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126 ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de); |
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127 OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); |
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128 OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); |
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129 return ret; |
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130 } |