1 /* crypto/asn1/x_pkey.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59 #include <stdio.h> 60 #include "cryptlib.h" 61 #include <openssl/evp.h> 62 #include <openssl/objects.h> 63 #include <openssl/asn1_mac.h> 64 #include <openssl/x509.h> 65 66 /* need to implement */ 67 int i2d_X509_PKEY(X509_PKEY *a, unsigned char **pp) 68 { 69 return(0); 70 } 71 72 X509_PKEY *d2i_X509_PKEY(X509_PKEY **a, const unsigned char **pp, long length) 73 { 74 int i; 75 M_ASN1_D2I_vars(a,X509_PKEY *,X509_PKEY_new); 76 77 M_ASN1_D2I_Init(); 78 M_ASN1_D2I_start_sequence(); 79 M_ASN1_D2I_get_x(X509_ALGOR,ret->enc_algor,d2i_X509_ALGOR); 80 M_ASN1_D2I_get_x(ASN1_OCTET_STRING,ret->enc_pkey,d2i_ASN1_OCTET_STRING); 81 82 ret->cipher.cipher=EVP_get_cipherbyname( 83 OBJ_nid2ln(OBJ_obj2nid(ret->enc_algor->algorithm))); 84 if (ret->cipher.cipher == NULL) 85 { 86 c.error=ASN1_R_UNSUPPORTED_CIPHER; 87 c.line=__LINE__; 88 goto err; 89 } 90 if (ret->enc_algor->parameter->type == V_ASN1_OCTET_STRING) 91 { 92 i=ret->enc_algor->parameter->value.octet_string->length; 93 if (i > EVP_MAX_IV_LENGTH) 94 { 95 c.error=ASN1_R_IV_TOO_LARGE; 96 c.line=__LINE__; 97 goto err; 98 } 99 memcpy(ret->cipher.iv, 100 ret->enc_algor->parameter->value.octet_string->data,i); 101 } 102 else 103 memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH); 104 M_ASN1_D2I_Finish(a,X509_PKEY_free,ASN1_F_D2I_X509_PKEY); 105 } 106 107 X509_PKEY *X509_PKEY_new(void) 108 { 109 X509_PKEY *ret=NULL; 110 ASN1_CTX c; 111 112 M_ASN1_New_Malloc(ret,X509_PKEY); 113 ret->version=0; 114 M_ASN1_New(ret->enc_algor,X509_ALGOR_new); 115 M_ASN1_New(ret->enc_pkey,M_ASN1_OCTET_STRING_new); 116 ret->dec_pkey=NULL; 117 ret->key_length=0; 118 ret->key_data=NULL; 119 ret->key_free=0; 120 ret->cipher.cipher=NULL; 121 memset(ret->cipher.iv,0,EVP_MAX_IV_LENGTH); 122 ret->references=1; 123 return(ret); 124 M_ASN1_New_Error(ASN1_F_X509_PKEY_NEW); 125 } 126 127 void X509_PKEY_free(X509_PKEY *x) 128 { 129 int i; 130 131 if (x == NULL) return; 132 133 i=CRYPTO_add(&x->references,-1,CRYPTO_LOCK_X509_PKEY); 134 #ifdef REF_PRINT 135 REF_PRINT("X509_PKEY",x); 136 #endif 137 if (i > 0) return; 138 #ifdef REF_CHECK 139 if (i < 0) 140 { 141 fprintf(stderr,"X509_PKEY_free, bad reference count\n"); 142 abort(); 143 } 144 #endif 145 146 if (x->enc_algor != NULL) X509_ALGOR_free(x->enc_algor); 147 if (x->enc_pkey != NULL) M_ASN1_OCTET_STRING_free(x->enc_pkey); 148 if (x->dec_pkey != NULL)EVP_PKEY_free(x->dec_pkey); 149 if ((x->key_data != NULL) && (x->key_free)) OPENSSL_free(x->key_data); 150 OPENSSL_free(x); 151 } 152